From 710206dfcaf4ddff2983797cf7b7fc19377cebec Mon Sep 17 00:00:00 2001
From: xengineering <me@xengineering.eu>
Date: Mon, 1 Jan 2024 14:09:52 +0100
Subject: mech: pcb_case: Move tolerance tests to one file

This makes the file structure and module naming simpler and allows to
easily print all tolerance tests at once. This is helpful to validate a
specific printer setup.
---
 mech/pcb_case/tolerance_tests.scad | 95 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 mech/pcb_case/tolerance_tests.scad

(limited to 'mech/pcb_case/tolerance_tests.scad')

diff --git a/mech/pcb_case/tolerance_tests.scad b/mech/pcb_case/tolerance_tests.scad
new file mode 100644
index 0000000..476cd35
--- /dev/null
+++ b/mech/pcb_case/tolerance_tests.scad
@@ -0,0 +1,95 @@
+include <bolt.scad>
+include <nut.scad>
+
+use <rounded_cube.scad>
+
+module bolt_drilling() {
+	steps = 3;
+	step_width = 0.1;
+	height = 3;
+
+	for(i = [-steps : steps]) {
+		tol = bolt_ds_tol + i * step_width;
+		echo(tol=tol);
+		translate([i*5*bolt_ds,0,0])
+			difference() {
+				cube([5*bolt_ds, 5*bolt_ds, height]);
+				translate([2.5*bolt_ds,2.5*bolt_ds,0]) {
+					cylinder(d=bolt_ds+tol,h=height,$fn=50);
+				}
+			}
+	}
+}
+
+module nut_drilling() {
+	steps = 3;
+	step_width = 0.1;
+
+	for(i = [-steps : steps]) {
+		tol = nut_d_tol + i * step_width;
+		echo(tol=tol);
+		translate([i*5*nut_d,0,0])
+			difference() {
+				cube([5*nut_d, 5*nut_d, 2*nut_h]);
+				translate([2.5*nut_d,2.5*nut_d,0]) {
+					union() {
+						cylinder(d=bolt_ds,h=2*nut_h,$fn=50);
+						translate([0,0,nut_h])
+							cylinder(d=tol+nut_d,h=nut_h,$fn=50);
+					}
+				}
+			}
+	}
+}
+
+module panel_width_height() {
+	steps = 3;
+	step_width = 0.2;
+
+	t = 2;
+	t_tol = 0.4;
+	current_tol = 0.8;
+	height = 3*t;
+
+	for(i = [-steps : steps]) {
+		tol = current_tol + i * step_width;
+		echo(tol=tol);
+		translate([i*3*t,0,0])
+			difference() {
+				cube([3*t, 8*t, height]);
+				translate([t, t-tol/2, t]) {
+					rounded_cube([t, 6*t+tol, 6*t+tol], t);
+				}
+			}
+	}
+
+	translate([0, 9*t, 0]) rotate([0, -90, 0]) rounded_cube([t, 6*t, 6*t], t);
+}
+
+module panel_thickness() {
+	steps = 3;
+	step_width = 0.2;
+
+	t = 2;
+	current_tol = 0.4;
+	height = 2*t;
+
+	for(i = [-steps : steps]) {
+		tol = current_tol + i * step_width;
+		echo(tol=tol);
+		translate([i*5*t,0,0])
+			difference() {
+				cube([5*t, 5*t, height]);
+				translate([2*t, 0, t]) {
+					cube([t+tol, 5*t, t]);
+				}
+			}
+	}
+
+	translate([0, 6*t, 0]) rotate([0, -90, 0]) rounded_cube([t, 4*t, 7*t], t);
+}
+
+bolt_drilling();
+translate([0, 20, 0]) nut_drilling();
+translate([0, 50, 0]) panel_width_height();
+translate([0, 90, 0]) panel_thickness();
-- 
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