minkowski() and hull() tests from Len

testdata/scad/convex_hull.scad

@@ -1,5 +1,43 @@
-hull() {
-        translate([15,10,0])
-        circle(10);
+// Works correctly
+module convex2dSimple() {
+    hull() {
+        translate([15,10]) circle(10);
         circle(10);
+    }
 }
+
+// Works correctly
+module convex2dHole() {
+    hull() {
+        translate([15,10,0]) circle(10);
+        difference() {
+            circle(10);
+            circle(5);
+        }
+    }
+}
+
+// 3d not currently implemented
+module convex3dSimple() {
+    hull() {
+        translate([15,10]) cylinder(r=10);
+        cylinder(r=10);
+    }
+}
+
+// 3d not currently implemented
+module convex3dHole() {
+    hull() {
+        translate([15,10,0]) cylinder(10);
+        difference() {
+            cylinder(10);
+            cylinder(5);
+        }
+    }
+}
+
+
+convex2dHole();
+translate([40,0,0]) convex2dSimple();
+translate([0,40,0]) convex3dHole();
+translate([40,40,0]) convex3dSimple();

testdata/scad/minkowski.scad

@@ -1 +1,67 @@
-minkowski();
+
+// Rounded box using 3d minkowski
+module roundedBox3dSimple() {
+    minkowski() {
+        cube([10,10,5]);
+        cylinder(r=5, h=5);
+    }
+}
+
+// Currently segfaults
+module roundedBox3dCut() {
+    minkowski() {
+        difference() {
+            cube([10,10,5]);
+            cube([5,5,5]);
+        }
+        cylinder(r=5, h=5);
+    }
+}
+
+// Currently segfaults
+module roundedBox3dHole() {
+    minkowski() {
+        difference() {
+            cube([10,10,5]);
+            translate([2,2,-2]) cube([6,6,10]);
+        }
+        cylinder(r=2);
+    }
+}
+
+// Works correctly
+module roundedBox2dSimple() {
+    minkowski() {
+        square([10,10]);
+        circle(r=5);
+    }
+}
+
+// Works correctly
+module roundedBox2dCut() {
+    minkowski() {
+        difference() {
+            square([10,10]);
+            square([5,5]);
+        }
+        circle(r=5);
+    }
+}
+
+// Not quite correct, result does not contain a hole, since the impl currently returns the outer boundary of the polygon_with_holes.
+module roundedBox2dHole() {
+    minkowski() {
+        difference() {
+            square([10,10]);
+            translate([2,2]) square([6,6]);
+        }
+        circle(r=2);
+    }
+}
+
+translate([-25,0,0]) roundedBox2dHole();
+translate([0,0,0]) roundedBox2dCut();
+translate([25,0,0]) roundedBox2dSimple();
+translate([-25,25,0]) roundedBox3dHole();
+translate([0,25,0]) roundedBox3dCut();
+translate([25,25,0]) roundedBox3dSimple();