biscuits.scad

   1
   2 scale=0.75;
   3 rad=30*scale;
   4 hbase=28.4*scale;
   5 voff=10*scale;
   6 height=70*scale;
   7
   8 wallheight = 15;
   9 wallthick=0.8;
  10
  11 module flatsolid() {
  12         circle(r=rad,$fn=50);
  13         polygon(points=[[-hbase,voff],[hbase,voff],[0,height]]);
  14 }
  15
  16 module mink() {
  17         minkowski() {
  18                 flatsolid();
  19                 circle(r=wallthick/2);
  20         }
  21 }
  22
  23 module hollow() {
  24         difference() {
  25                 mink();
  26                 flatsolid();
  27         }
  28 }
  29
  30 linear_extrude(height=wallheight) hollow();