commitid.scad.pl: make if into a block (nfc)

[reprap-play.git] / biscuits.scad

diff --git a/biscuits.scad b/biscuits.scad
index 229e377bae6d90d5cc3920d4da4fc88ad2e028be..5f6a42a94236a5d0ca87273de58aabc95b350ce7 100644 (file)
--- a/biscuits.scad
+++ b/biscuits.scad
@@ -1,12 +1,30 @@
-rad=30;
-hbase=28;
-voff=10;
-height=70;
 
+scale=0.75;
+rad=30*scale;
+hbase=28.4*scale;
+voff=10*scale;
+height=70*scale;
+
+wallheight = 15;
+wallthick=0.8;
 
 module flatsolid() {
-       circle(r=rad);
+       circle(r=rad,$fn=50);
        polygon(points=[[-hbase,voff],[hbase,voff],[0,height]]);
 }
 
-flatsolid();
+module mink() {
+       minkowski() {
+               flatsolid();
+               circle(r=wallthick/2);
+       }
+}   
+
+module hollow() {
+       difference() {
+               mink();
+               flatsolid();
+       }
+}
+
+linear_extrude(height=wallheight) hollow();