From 1f6be4fedd86d3b033821f762ccf2a3c4d282d3f Mon Sep 17 00:00:00 2001
From: "Jan \"Yenya\" Kasprzak" <kas@fi.muni.cz>
Date: Wed, 1 Nov 2023 07:18:24 +0100
Subject: [PATCH] vesak na aktovku

---
 vesak-filip-aktovka.scad | 183 +++++++++++++++++++++++++--------------
 1 file changed, 120 insertions(+), 63 deletions(-)

diff --git a/vesak-filip-aktovka.scad b/vesak-filip-aktovka.scad
index 2d8ae6c..9f14eaa 100644
--- a/vesak-filip-aktovka.scad
+++ b/vesak-filip-aktovka.scad
@@ -3,79 +3,136 @@ include <yenyalib.scad>;
 eps = 0.01;
 infty = 200;
 
-wall = 10;
-width = 20;
-
-top_h = wall * 1.5;
-top_hole_w = 40 + 1;
-top_back_h = wall*1.5;
-
-beam_h = 10;
-
-bottom_hole_w = 15;
-bottom_hole_r = 1.2*width;
-bottom_h = 40;
-
-front_h = 20;
-
-module valcova_usec(r, w, h) {
-	intersection() {
-		tx(-sqrt(r^2 - (h/2)^2)) tz(h/2) rx(-90)
-			cylinder(r = r, h = w);
-		cube([r, w, h]);
+wall = 8;
+
+inner_w = 82;
+outer_w = inner_w + 2*30;
+inner_w_round_r = 2;
+body_h = 30;
+bottom_w = 70;
+top_w = bottom_w + 3*wall;
+bottom_h = 60;
+
+module top_part() {
+	difference() {
+		round_with() {
+			rounding();
+			hull() {
+				Mx()
+				Tx(outer_w/2 - 4*wall)
+				Sx(2)
+					cylinder(r = 2*wall, h = body_h);
+			}
+		}
+		translate([-outer_w/2-eps, -2*wall-eps, -eps])
+			cube([outer_w + 2*eps, 2*wall-inner_w_round_r,
+				body_h + 2*eps]);
+		Mx() translate([inner_w/2 + inner_w_round_r,
+			-inner_w_round_r, -eps]) hull() {
+			cylinder(r = inner_w_round_r, h = body_h + 2*eps);
+			cube([inner_w/2, inner_w_round_r, body_h + 2*eps]);
+		}
 	}
 }
 
-module vesak() {
-	// top front
-	intersection() {
-		sx(top_h/wall) cylinder(r = wall, h = width);
-		cube(infty);
-	}
-
-	// top back
-	ty(-top_hole_w)
-	intersection() {
-		sx(top_back_h/wall) cylinder(r = wall, h = width);
-		translate([-infty, -infty, 0]) cube(infty);
-	}
-
-	// top
-	intersection() {
-		sx(top_h/(top_hole_w+wall))
-			cylinder(r = top_hole_w + wall, h = width);
-		ty(-infty) cube(infty);
+hole_d = 35;
+hole_l = 1.25*hole_d;
+hole_xoff = 0.2*(bottom_w-hole_d);
+hole_yoff = bottom_h - 0.2*hole_d;
+hole_top_yoff = 7;
+hole_top_l = 20;
+hook_top_rx = 8;
+hook_top_ry = 12;
+module bottom_part() {
+	difference() {
+		hull() {
+			Tx(-inner_w/2) Ty(-inner_w_round_r)
+				cube([inner_w, wall/2, body_h]);
+			Ty(-bottom_h) cylinder(r = bottom_w/2, h = body_h);
+		}
+		// main hole
+		difference() {
+			hull() {
+				translate([hole_xoff, -hole_yoff, -eps])
+					cylinder(r = hole_d/2, h = body_h+2*eps);
+				translate([hole_xoff,
+					-hole_yoff-hole_d+hole_l, -eps])
+					cylinder(r = hole_d/2, h = body_h+2*eps);
+			}
+			// rounded hook inner bottom
+			translate([-inner_w/2, -hole_yoff-hole_d/2, body_h/2])
+			Sy(0.7)
+			Ry(90)
+				cylinder(r = 0.55*body_h, h = inner_w);
+		}
+		// cut to the top
+		hull() {
+			translate([inner_w/2+inner_w_round_r,
+				-hole_top_l-hole_top_yoff, -eps])
+				cube([eps, hole_top_l, body_h+2*eps]);
+			translate([hole_xoff, -hole_yoff-hole_d+hole_l, -eps])
+				intersection() {
+					cylinder(r = hole_d/2, h = body_h+2*eps);
+					translate([-infty, 0, -infty/2])
+						cube(infty);
+				}
+		}
+		// rounded hook end
+		difference() {
+			translate([hole_xoff, -hole_yoff, -eps])
+				cube([inner_w/2, hole_l-hole_d/2, body_h+2*eps]);
+			translate([hole_xoff + hole_d/2 + hook_top_rx - 2*eps,
+				-hole_yoff, -2*eps])
+				Sy(hook_top_ry/hook_top_rx)
+				cylinder(r = hook_top_rx, h = body_h + 4*eps);
+		}
 	}
+}
 
-	// beam
-	tx(-beam_h) cube([beam_h, wall, width]);
-
-	// bottom
-	tx(-beam_h)
-	intersection() {
-		sy((bottom_hole_w+2*wall)/bottom_h) cylinder(r = bottom_h, h = width);
-		tx(-infty) cube(infty);
-	}
+module rounding() {
+	Mz() cylinder(r1 = 3, r2 = 0, h = 4.5, $fn = 8);
+}
+	
 
-	// hook front
-	translate([-beam_h, bottom_hole_w+wall, 0])
-		cube([front_h, wall, width]);
+$fn = 128;
+top_part();
 
-	// hook rounded top
-	translate([front_h-beam_h, bottom_hole_w+wall, 0])
-		valcova_usec(bottom_hole_r, wall, width);
+Mx() Tx(outer_w/2-3) Ty(3)
+	cylinder(r = 15, h = 0.4);
 
-	// hook rounded bottom
-	translate([-beam_h, wall, 0])
-		valcova_usec(bottom_hole_r, bottom_hole_w, width);
+round_with() {
+	rounding();
+	bottom_part();
 }
 
-$fn = 128;
-round_with() {
-	union() {
-		for (z = [-1, 1]) sz(z) cylinder(r1 = 1, r2 = 0, h = 2, $fn = 32);
+
+/*
+// rotate_extrude(angle=360, convexity=10) {
+
+outer_d = 1.1*body_h;
+inner_d = body_h - 1.7*wall;
+inner_scale = 1.5;
+hole_depth = 0.01*bottom_h;
+difference() {
+	difference() {
+		union() {
+			Ty(outer_d/2-eps) square([body_h, bottom_h - outer_d/2 + eps]);
+			intersection() {
+				square(body_h);
+				Tx(body_h/2) Ty(outer_d/2)
+					circle(r = outer_d/2);
+			}
+		}
+		hull() {
+			Tx(body_h) Ty(bottom_h-hole_depth)
+				square([eps, hole_depth]);
+			Tx(wall + inner_d/2) Ty(wall + inner_scale*inner_d/2)
+				Sy(inner_scale)
+				circle(r = inner_d/2);
+			Tx(wall + inner_d/2) Ty(wall + inner_d/2)
+				circle(r = inner_d/2);
+		}
 	}
-	vesak();
 }
+*/
 
-// round_edges(1) vesak();
-- 
2.43.5