From 88f9dd650210fe1681b0000fc7f46cabfaaf53ba Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Fri, 10 Dec 2021 08:05:57 +0100
Subject: [PATCH] Vykrajovatko

---
 vykrajovatko-ctverec.scad | 71 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 vykrajovatko-ctverec.scad

diff --git a/vykrajovatko-ctverec.scad b/vykrajovatko-ctverec.scad
new file mode 100644
index 0000000..ac5ef15
--- /dev/null
+++ b/vykrajovatko-ctverec.scad
@@ -0,0 +1,71 @@
+draft = 0;
+eps = 0.01;
+infty = 100;
+
+kuzel_def = [
+	[ 6.5, 0 ],
+	[ 6.5, 1.5 ],
+	[ 3.5, 4 ],
+	[ 2.5, 6 ],
+	[ 1.5, 13.0 ],
+	[ 0.5, 15.0 ],
+];
+
+module kuzel() {
+	for (i = [0 : len(kuzel_def)-2]) {
+		translate([0, 0, kuzel_def[i][1]])
+			cylinder(r1 = kuzel_def[i][0],
+				r2 = kuzel_def[i+1][0],
+				h = kuzel_def[i+1][1] + eps - kuzel_def[i][1]);
+	}
+};
+
+kuzel2_def = [
+	[ 1.5, 0 ],
+	[ 1.5, 13.0 ],
+	[ 0.5, 15.0 ],
+];
+
+module kuzel2() {
+	for (i = [0 : len(kuzel2_def)-2]) {
+		translate([0, 0, kuzel2_def[i][1]])
+			cylinder(r1 = kuzel2_def[i][0],
+				r2 = kuzel2_def[i+1][0],
+				h = kuzel2_def[i+1][1] + eps - kuzel2_def[i][1]);
+	}
+};
+
+module shape(h)
+{
+  linear_extrude(height=h)
+      polygon([[-15, -15], [-15, 15], [15, 15], [15, -15]]);
+};
+
+for (x = [0, 45]) translate([x, 0, 0])
+difference(){
+	minkowski(){
+		shape(eps);
+		if (draft == 1) {
+			kuzel($fn = 6);
+		} else {
+			kuzel($fn = 32);
+		}
+	}
+	translate([0,0,-infty/2]) shape(infty);
+};
+
+difference(){
+	union() {
+		minkowski(){
+			cylinder(r = 7, h = eps, $fn = 128);
+			if (draft == 1) {
+				kuzel2($fn = 6);
+			} else {
+				kuzel2($fn = 32);
+			}
+		}
+		for (a = [0, 90]) rotate([0, 0, a])
+		translate([-15, -1, 0]) cube([30, 2, 7]);
+	}
+	translate([0,0,-infty/2]) cylinder(r = 7, h = infty);
+};
-- 
2.43.5