My self-made 3D-printable designs, mainly in OpenSCAD
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  1. /*
  2. * Created by:
  3. * Thomas Buck <xythobuz@xythobuz.de> in May 2016
  4. *
  5. * Licensed under the Creative Commons - Attribution license.
  6. */
  7. // -----------------------------------------------------------
  8. diameter_outer_min = 10;
  9. diameter_outer_max = 12;
  10. height = 10;
  11. diameter_inner_min = 2.8;
  12. diameter_inner_max = 2.8;
  13. $fn = 20;
  14. // -----------------------------------------------------------
  15. difference() {
  16. cylinder(d1 = diameter_outer_max, d2 = diameter_outer_min, h = height);
  17. cylinder(d = diameter_inner_max, d2 = diameter_inner_min, h = height);
  18. }