add universal dual-color sign

Universal Sign/rounded.scad

@@ -0,0 +1,60 @@
+
+
+module rounded_cube(x, y, z, rx=fillet, ry=fillet, rz=fillet, noback=true, nobottom=false, notop=false) {
+    $fs = 0.15;
+    union() {
+        
+        if (rx == ry && ry == rz) {
+             minkowski() {
+                translate([rx, rx, rx])cube([x-rx*2, y-rx*2, z-rx*2]);                
+                sphere(r = rx);
+            }           
+        } else {
+            minkowski() {
+                translate([rz+ry, rz+rx, rz+ry])cube([x-rz*2-ry*2, y-rz*2-rx*2, z-rx*2-ry*2]);
+                cylinder(r = rz, h = 0.01);
+                rotate ([0, 90, 0]) cylinder(r = rx, h = 0.01);
+                rotate ([90, 0, 0]) cylinder(r = ry, h = 0.01);
+            }
+        }
+        
+        if (noback) {
+            minkowski() {
+                translate([ry, y/2, ry])cube([x-ry*2, y/2, z-ry*2]);
+                rotate ([90, 0, 0]) cylinder(r = ry, h = 0.01);
+            }
+        }
+        
+        if (nobottom) {
+            minkowski() {
+                translate([rz, rz, 0])cube([x-rz*2, y-rz*2, z/2]);
+                rotate ([0, 0, 0]) cylinder(r = rz, h = 0.01);
+            }
+        }
+        
+        if (notop) {
+            minkowski() {
+                translate([rz, rz, z/2])cube([x-rz*2, y-rz*2, z/2]);
+                rotate ([0, 0, 0]) cylinder(r = rz, h = 0.01);
+            }
+        }
+    }
+    
+}
+
+module rounded_cylinder(r, h, rrnd = fillet, rtop = true, rbottom = false, center=false) {
+    $fs = 0.15;    
+    
+    htr = center ? -h/2 : 0;
+    translate([0, 0, htr]) union() {        
+        minkowski() {
+            translate([0,0,rrnd]) cylinder(r=r-rrnd, h=h-rrnd*2);
+            sphere(rrnd);
+        }
+        
+        if (!rbottom) 
+                translate([0,0,h/2]) cylinder(r=r, h=h/2);
+        if (!rtop) 
+                translate([0,0,0]) cylinder(r=r, h=h/2);        
+    }   
+}

Universal Sign/sign.scad

@@ -0,0 +1,144 @@
+
+// ----------------------------------------------------
+
+/*
+sign_width = 86;
+sign_length = 20;
+text_str = "xythobuz.de";
+text_font = "Liberation Sans:style=Bold";
+text_size_off = 4;
+text_double = false;
+sign_base_height = 3;
+sign_border_height = 2;
+sign_border_width = 3;
+fillet = 0.5;
+*/
+
+// ----------------------------------------------------
+
+
+sign_width = 105;
+sign_length = 22;
+text_str = "xythobuz.de";
+text_str2 = "Thomas Buck";
+text_font = "Liberation Sans:style=Bold";
+text_size_off = 5;
+text_double = true;
+text_double_off = 11;
+sign_base_height = 3;
+sign_border_height = 4;
+sign_border_width = 3;
+fillet = 1.0;
+
+
+// ----------------------------------------------------
+
+/*
+sign_width = 65;
+sign_length = 20;
+text_str = "Toolbox";
+text_font = "Liberation Sans:style=Bold";
+text_size_off = 3;
+text_double = false;
+sign_base_height = 3;
+sign_border_height = 2;
+sign_border_width = 3;
+fillet = 0.5;
+*/
+
+// ----------------------------------------------------
+
+/*
+sign_width = 80;
+sign_length = 20;
+text_str = "Toolbox";
+text_str2 = "Bodensee";
+text_font = "Liberation Sans:style=Bold";
+text_size_off = 3;
+text_double = true;
+text_double_off = 13;
+sign_base_height = 3;
+sign_border_height = 2;
+sign_border_width = 3;
+fillet = 0.5;
+*/
+
+// ----------------------------------------------------
+
+draw_bottom = true;
+draw_walls = true;
+draw_text = false;
+
+color_base = "grey";
+color_walls = "grey";
+color_text = "white";
+
+// ----------------------------------------------------
+
+text_size = sign_length - (2 * sign_border_width) - text_size_off;
+
+include <rounded.scad>
+
+// ----------------------------------------------------
+
+if (draw_bottom) {
+    if (text_double) {
+        // base
+        color(color_base)
+        rounded_cube(sign_width, sign_length + text_double_off, sign_base_height, fillet, fillet, fillet, false, true, true);
+    } else {
+        // base
+        color(color_base)
+        rounded_cube(sign_width, sign_length, sign_base_height, fillet, fillet, fillet, false, true, true);
+    }
+}
+
+if (draw_walls) {
+    // top walls
+    color(color_walls)
+    translate([0, 0, sign_base_height])
+    difference() {
+        union() {
+            rounded_cube(sign_width, sign_border_width, sign_border_height, fillet, fillet, fillet, false, true, false);
+            
+            if (text_double) {
+                rounded_cube(sign_border_width, sign_length + text_double_off, sign_border_height, fillet, fillet, fillet, false, true, false);
+                
+                translate([sign_width - sign_border_width, 0, 0])
+                rounded_cube(sign_border_width, sign_length + text_double_off, sign_border_height, fillet, fillet, fillet, false, true, false);
+                
+                translate([0, sign_length + text_double_off - sign_border_width, 0])
+                rounded_cube(sign_width, sign_border_width, sign_border_height, fillet, fillet, fillet, false, true, false);
+            } else {
+                rounded_cube(sign_border_width, sign_length, sign_border_height, fillet, fillet, fillet, false, true, false);
+                
+                translate([sign_width - sign_border_width, 0, 0])
+                rounded_cube(sign_border_width, sign_length, sign_border_height, fillet, fillet, fillet, false, true, false);
+                
+                translate([0, sign_length - sign_border_width, 0])
+                rounded_cube(sign_width, sign_border_width, sign_border_height, fillet, fillet, fillet, false, true, false);
+            }
+        }
+    }
+}
+
+if (draw_text) {
+    if (text_double) {
+        // text
+        color(color_text)
+        translate([sign_width / 2, sign_length / 2 + text_double_off, sign_base_height])
+            linear_extrude(height = sign_border_height)
+            text(text = text_str, font = text_font, size = text_size, valign = "center", halign = "center");
+        
+        color(color_text)
+        translate([sign_width / 2, sign_length / 2, sign_base_height])
+            linear_extrude(height = sign_border_height)
+            text(text = text_str2, font = text_font, size = text_size, valign = "center", halign = "center");
+    } else {
+        // text
+        color(color_text)
+        translate([sign_width / 2, sign_length / 2, sign_base_height])
+            linear_extrude(height = sign_border_height)
+            text(text = text_str, font = text_font, size = text_size, valign = "center", halign = "center");
+    }
+}