From de6bb578c39b9d8e9ec1e6ba54026f6a2900da73 Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Wed, 19 Aug 2015 08:48:37 +0200
Subject: [PATCH] knife-stand: first try

---
 knife-stand.scad | 75 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 knife-stand.scad

diff --git a/knife-stand.scad b/knife-stand.scad
new file mode 100644
index 0000000..40673ad
--- /dev/null
+++ b/knife-stand.scad
@@ -0,0 +1,75 @@
+eps = 0.01;
+infty = 200;
+
+blade_w = 3.0;
+blade_h = 32;
+blade_l = 200;
+slot_l = 40;
+
+slot_angle_y = -15;
+slot_angle_z = -10;
+
+wall = 1.5;
+clip_wall = 3.0;
+clip_h = 15;
+clip_rear = 20;
+clip_in = 3.5; // inner width
+
+clip_l_top = 65;
+
+module slanted_knife() {
+	rotate([90, slot_angle_y, slot_angle_z])
+	translate([-blade_w/2, -eps, wall])
+		cube([blade_w, blade_l+2*eps, blade_h]);
+}
+
+module slanted_knife_slot() {
+	difference() {
+		translate([0, 0, -wall])
+			rotate([90, slot_angle_y, slot_angle_z])
+			translate([-wall-blade_w/2, 0, 0])
+				cube([blade_w+2*wall, slot_l, blade_h + 2*wall]);
+/*
+		rotate([0, 0, slot_angle_z])
+			translate([0, -infty/2, -infty/2])
+				cube(infty);
+*/
+	}
+}
+
+module body() {
+	for (x = [0:20:60]) translate([-x, 30, 0])
+		slanted_knife_slot();
+
+	// main clip stem
+	translate([-75, 0, 0])
+		cube([75+clip_l_top, clip_wall, clip_h]);
+
+	// rear support
+	translate([-44+clip_wall, -15, 0])
+		cube([clip_wall, 15, clip_h]);
+
+	// horizontal clip part
+	translate([clip_l_top-clip_wall, -clip_wall-clip_in, 0])
+		cube([clip_wall, clip_in+2*clip_wall, clip_h]);
+
+	// rear clip part
+	translate([clip_l_top-clip_rear, -clip_wall-clip_in, 0])
+		cube([clip_rear, clip_wall, clip_h]);
+}
+
+module main() {
+	difference() {
+		body();
+
+		// z-negative plane
+		translate([-infty/2, -infty/2, -infty])
+			cube(infty);
+
+		for (x = [0:20:60]) translate([-x, 30, 0])
+			slanted_knife();
+	}
+}
+
+main();
+
-- 
2.43.0