commit f30413ec510ba467f4338ef7726933b7e1474034
Author: Michael Sippel <micha@fragmental.art>
Date:   Sat Apr 6 16:30:44 2024 +0200

    initial commit

diff --git a/main.scad b/main.scad
new file mode 100644
index 0000000..e3c9403
--- /dev/null
+++ b/main.scad
@@ -0,0 +1,146 @@
+
+module puzzle_line(a=20, b=15, z=40, h=10) {
+	render()
+	difference() {
+		union() {
+			cube([1, z, h]);
+
+			hull() {
+				translate([0,(z-a)/2,0])
+				cube([0.5, a, h]);
+				translate([1.5,(z-b)/2,0])
+				cube([0.5, b, h]);
+			}
+		}
+
+		hull() {
+			translate([-0.5,(z-(a-1))/2,0])
+				cube([0.5, (a-1), h]);
+		  translate([0.5,(z-(b-1))/2,0])
+				cube([0.5, (b-1), h]);
+		}
+	}
+}
+
+module contour(h=70) {
+	for(r = [0:5]) {
+		rotate([0,0,(r+0.5)*60])
+		translate([10.95,-6.88,0])
+	  {
+			if( r%2 == 0 ) {
+				mirror([1,0,0])
+				translate([-1,0,0])
+				puzzle_line(5.7, 3.2, z=6.88*2, h=h);
+			} else {
+				puzzle_line(4.5, 2.2, z=6.88*2, h=h);
+			}
+		}
+	}
+}
+
+module contour_hull(h=1, a=5.7, b=3.2, z=6.88*2, a0=4.5,b0=2.2,z0=6.88*2) {
+	render()
+	difference() {
+		union() {
+			cylinder(d=27, h=h, $fn=6);
+
+			for(r = [0:2]) {
+				rotate([0,0,r*120-30])
+				translate([10.95,-6.88,0]) {
+					hull() {
+						translate([-0.5,(z0-(a0-1))/2,0])
+						cube([0.5, (a0-1), h]);
+					  translate([0.5,(z0-(b0-1))/2,0])
+						cube([0.5, (b0-1), h]);
+					}
+				}
+			}
+		}
+
+		for(r = [0:2]) {
+			rotate([0,0,30+r*120])
+			translate([10.95,-6.88,0])
+				mirror([1,0,0])
+				translate([-1,0,0])
+				{
+
+				hull() {
+					translate([-0.5,(z-(a-1))/2,0])
+					cube([0.5, (a-1), h]);
+				  translate([0.5,(z-(b-1))/2,0])
+					cube([0.5, (b-1), h]);
+				}
+			}
+		}
+	}
+}
+
+module inner_contour(h=70) {
+	for(r = [0:5]) {
+		rotate([0,0,(r+0.5)*60])
+		translate([10.8-1,-6.25,0])
+	  {
+			if( r%2 == 0 ) {
+				mirror([1,0,0])
+				translate([-1,0,0])
+				puzzle_line(6, 4.4, z=6.25*2, h=h);
+			} else {
+				puzzle_line(4.5, 1, z=6.25*2, h=h);
+			}
+		}
+	}
+}
+
+module inner_contour_hull(h=1, a=5.7, b=3.2, z=6.88*2, a0=4.4,b0=2.1,z0=6.88*2) {
+	render()
+	union() {
+		cylinder(d=22.6, h=h, $fn=6);
+		inner_contour(h=h);
+	}
+}
+
+module inner(h=70) {
+	{
+		render()
+		difference()
+		{
+			inner_contour(h=h);
+
+			translate([-20,4,0])
+			cube([40, 15,h]);
+		}
+
+		inner_contour_hull();
+		translate([0,0,h])
+		render()
+		difference() {
+			cylinder(d=26, h=4, $fn=6);
+
+			translate([0,-8,2])
+			cylinder(d=16, h=3, $fn=6);
+
+			translate([0,-3,1])		
+			cylinder(d=20, h=2, $fn=6);
+		}
+	}
+}
+
+
+module outer(h=70) {
+	translate([0,0,-8])
+	cylinder(d=15, h=8, $fn=6);
+
+	contour(h=h);
+
+	translate([0,0,0])
+	contour_hull();
+}
+
+
+color([1,1,0])
+translate([0,0,10])
+inner(h=70);
+
+color([0.7, 0.4, 0.4])
+outer(h=70);
+