Added circle nozzle cleaning parameters to example configurations

Marlin/example_configurations/Cartesio/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/Felix/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/Felix/DUAL/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/Hephestos/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/Hephestos_2/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { X_MIN_POS + 10, Y_MAX_POS - 9, (Z_MIN_POS + 0.5)}
   #define NOZZLE_CLEAN_END_POINT   { X_MIN_POS + 90, Y_MAX_POS - 0, (Z_MIN_POS + 0.5)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   //#define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/K8200/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/K8400/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/K8400/Dual-head/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/RigidBot/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/SCARA/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/TAZ4/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/WITBOX/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/adafruit/ST7565/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/delta/generic/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/delta/kossel_mini/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/delta/kossel_pro/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/delta/kossel_xl/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/makibox/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif

Marlin/example_configurations/tvrrug/Round2/Configuration.h

 //
 // Marlin now allow you to have a vendor boot image to be displayed on machine
 // start. When SHOW_CUSTOM_BOOTSCREEN is defined Marlin will first show your
-// custom boot image and them the default Marlin boot image is shown.
+// custom boot image and then the default Marlin boot image is shown.
 //
 // We suggest for you to take advantage of this new feature and keep the Marlin
 // boot image unmodified. For an example have a look at the bq Hephestos 2
 //                       |________|_________|_________|
 //                           T1        T2        T3
 //
+//   P2: This starts a circular pattern with circle with middle in
+//       NOZZLE_CLEAN_CIRCLE_MIDDLE radius of R and stroke count of S.
+//       Before starting the circle nozzle goes to NOZZLE_CLEAN_START_POINT.
+//
 // Caveats: End point Z should use the same value as Start point Z.
 //
 // Attention: This is an EXPERIMENTAL feature, in the future the G-code arguments
 #if ENABLED(NOZZLE_CLEAN_FEATURE)
   // Default number of pattern repetitions
   #define NOZZLE_CLEAN_STROKES  12
-  
+
   // Default number of triangles
   #define NOZZLE_CLEAN_TRIANGLES  3
 
   #define NOZZLE_CLEAN_START_POINT { 30, 30, (Z_MIN_POS + 1)}
   #define NOZZLE_CLEAN_END_POINT   {100, 60, (Z_MIN_POS + 1)}
 
+  // Circular pattern radius
+  #define NOZZLE_CLEAN_CIRCLE_RADIUS 6.5
+  // Circular pattern circle fragments number
+  #define NOZZLE_CLEAN_CIRCLE_FN 10
+  // Middle point of circle
+  #define NOZZLE_CLEAN_CIRCLE_MIDDLE NOZZLE_CLEAN_START_POINT
+
   // Moves the nozzle to the initial position
   #define NOZZLE_CLEAN_GOBACK
 #endif