update

cases/rack/legToleranceTest.scad

@@ -0,0 +1,45 @@
+
+slack = 0.5;
+m3Diameter = 3.0;
+m3Radius = m3Diameter/2.0;
+m3ptr = m3Radius + slack;
+
+legLength = 60;
+
+
+module baseLeg(legLength) {
+  difference() {
+    cube(size=[16,16, legLength]);
+
+    translate(v=[4,4,4])
+    cube(size=[16, 16, legLength-2*4]);
+  }
+}
+
+
+module leg(ui) {
+  assert(ui > 0);
+
+  legLength = 20 + (ui-1)*10;
+  
+  difference() {
+    baseLeg(legLength);
+
+    union() {
+      for (i = [0:ui-1]) {
+        translate(v=[0,10,(i+1)*10])
+          rotate(a=[0,90,0])
+          cylinder(h = 100, r = m3ptr, $fn=32, center=true);
+
+        translate(v=[10,0,(i+1)*10])
+          rotate(a=[90,0,0])
+          cylinder(h = 100, r = m3ptr, $fn=32, center=true);
+      }
+
+      translate(v=[10,10,legLength/2])
+      cylinder(h = legLength*2, r = m3ptr, $fn=32, center=true);
+    }
+  }
+}
+
+leg(18);