My self-made 3D-printable designs, mainly in OpenSCAD
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Lens Cap.scad 769B

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  1. /*
  2. * Created by:
  3. * Thomas Buck <xythobuz@xythobuz.de> in March 2016
  4. *
  5. * Licensed under the Creative Commons - Attribution license.
  6. */
  7. // -----------------------------------------------------------
  8. $fn = 50;
  9. /*
  10. * Depending on your printer and exact settings, you need to adjust
  11. * this parameter. I've had a tight fit with 17.8mm for a 17mm lens.
  12. */
  13. diameter = 17.8; // diameter of the lens
  14. width = 1; // wall thickness
  15. bottom_width = 1; // bottom wall thickness
  16. height = 6; // height of the whole lens cap
  17. // -----------------------------------------------------------
  18. difference() {
  19. // whole part
  20. cylinder(h = height, d = (diameter + (2 * width)));
  21. translate([0, 0, bottom_width])
  22. cylinder(h = height - bottom_width, d = diameter);
  23. }