WIP: Move `mech` directory to `case`

TODO: There are outdated references (see grep -R mech .)

The directory name should reflect what is inside, not the field of
engineering it belongs to.

9 files changed, 0 insertions, 294 deletions

diff --git a/mech/pcb_case/bolt.scad b/mech/pcb_case/bolt.scad
deleted file mode 100644
index 4c26c30..0000000
--- a/mech/pcb_case/bolt.scad
+++ /dev/null
@@ -1,13 +0,0 @@
-// bolt based on ISO 4762 (https://www.fasteners.eu/us/standards/ISO/4762)
-bolt_k = 3;
-bolt_l = 10;
-bolt_dk = 5.5;
-bolt_ds = 3;
-bolt_ds_tol = 0.45;
-
-module bolt() {
-	union() {
-		cylinder(d=bolt_ds, h=bolt_l, $fn=30);
-		translate([0, 0, -bolt_ds]) cylinder(d=bolt_dk, h=bolt_ds, $fn=30);
-	}
-}
diff --git a/mech/pcb_case/conversion.scad b/mech/pcb_case/conversion.scad
deleted file mode 100644
index 69c3c3b..0000000
--- a/mech/pcb_case/conversion.scad
+++ /dev/null
@@ -1,8 +0,0 @@
-include <bolt.scad>
-include <nut.scad>
-
-function dim_pcb_to_case(pcb_dim, margins, t) = [
-	pcb_dim[0]+margins[0][0]+margins[0][1]+4*t,
-	pcb_dim[1]+margins[1][0]+margins[1][1]+2*t+2*(bolt_l-t),
-	pcb_dim[2]+margins[2][0]+margins[2][1]+4*t
-];
diff --git a/mech/pcb_case/nut.scad b/mech/pcb_case/nut.scad
deleted file mode 100644
index 0768b6a..0000000
--- a/mech/pcb_case/nut.scad
+++ /dev/null
@@ -1,7 +0,0 @@
-nut_h = 3;
-nut_d = 4.15;
-nut_d_tol = 0.2;
-
-module nut() {
-	cylinder(d=nut_d,h=nut_h);
-}
diff --git a/mech/pcb_case/panel.scad b/mech/pcb_case/panel.scad
deleted file mode 100644
index eef0b28..0000000
--- a/mech/pcb_case/panel.scad
+++ /dev/null
@@ -1,28 +0,0 @@
-include <nut.scad>
-
-use <conversion.scad>
-use <rounded_cube.scad>
-
-panel_dim_0_tol = 0.3;
-panel_dim_1_2_tol = 0.45;
-
-module pcb_case_panel(pcb_dim, margins, t) {
-	dim = dim_pcb_to_case(pcb_dim, margins, t);
-
-	rounded_cube(
-		dim=[t, dim[1]-2*t, dim[2]-2*t],
-		radius=t
-	);
-}
-
-module pcb_case_panel_back(pcb_dim, margins, t) {
-	translate([t, t, t])
-		pcb_case_panel(pcb_dim, margins, t);
-}
-
-module pcb_case_panel_front(pcb_dim, margins, t) {
-	dim = dim_pcb_to_case(pcb_dim, margins, t);
-
-	translate([dim[0]-2*t, t, t])
-		pcb_case_panel(pcb_dim, margins, t);
-}
diff --git a/mech/pcb_case/pcb.scad b/mech/pcb_case/pcb.scad
deleted file mode 100644
index 7b24131..0000000
--- a/mech/pcb_case/pcb.scad
+++ /dev/null
@@ -1,14 +0,0 @@
-include <bolt.scad>
-include <nut.scad>
-
-module pcb(dim, drillings, margins, t) {
-	translate([2*t+margins[0][0], bolt_l+margins[1][0], t+margins[2][0]]) {
-		difference() {
-			cube([dim[0], dim[1], dim[2]]);
-			for (drilling = drillings) {
-				translate([drilling[0], drilling[1], 0])
-					cylinder(d=3, h=dim[2], $fn=30);
-			}
-		}
-	}
-}
diff --git a/mech/pcb_case/rounded_cube.scad b/mech/pcb_case/rounded_cube.scad
deleted file mode 100644
index acd50e7..0000000
--- a/mech/pcb_case/rounded_cube.scad
+++ /dev/null
@@ -1,12 +0,0 @@
-module rounded_cube(dim, radius) {
-	range_y = [radius, dim[1]-radius];
-	range_z = [radius, dim[2]-radius];
-	height = dim[0];
-
-	hull() {
-		for (y=range_y, z=range_z) {
-			translate([0,y,z]) rotate([0,90,0])
-				cylinder(r=radius, h=height, $fn=30);
-		}
-	}
-}
diff --git a/mech/pcb_case/shell.scad b/mech/pcb_case/shell.scad
deleted file mode 100644
index 18139f6..0000000
--- a/mech/pcb_case/shell.scad
+++ /dev/null
@@ -1,116 +0,0 @@
-include <bolt.scad>
-include <nut.scad>
-include <panel.scad>
-
-use <conversion.scad>
-use <rounded_cube.scad>
-
-module shell_base(pcb_dim, margins, t) {
-	dim = dim_pcb_to_case(pcb_dim, margins, t);
-
-	difference() {
-		// full body
-		rounded_cube(dim=dim, radius=t);
-
-		// cut away upper half
-		translate([0,0,dim[2]/2])
-			cube([dim[0], dim[1], dim[2]/2]);
-
-		// main PCB space
-		translate([3*t, t, t])
-			rounded_cube([dim[0]-6*t, dim[1]-2*t, dim[2]-2*t], t);
-
-		// remove front and back
-		translate([0, 2*t, 2*t])
-			rounded_cube([dim[0], dim[1]-4*t, dim[2]-4*t], t);
-
-		// panel holder
-		for (x_off = [t-panel_dim_0_tol/2, dim[0]-2*t-panel_dim_0_tol/2]) {
-			translate([x_off, t-panel_dim_0_tol/2, t-panel_dim_0_tol/2]) {
-				rounded_cube(
-					[
-						t+panel_dim_0_tol,
-						dim[1]-2*t+panel_dim_1_2_tol,
-						dim[2]-2*t+panel_dim_1_2_tol
-					],
-					t
-				);
-			}
-		}
-
-		// bolt drillings
-		for (x = [dim[0]/4, dim[0]-dim[0]/4]) {
-			translate([x,0,dim[2]/2-1.5*bolt_ds])
-				rotate([-90,0,0])
-					cylinder(d=bolt_ds+bolt_ds_tol, h=1.1*t, $fn=30);
-		}
-	}
-}
-
-module shell_connector(pcb_dim, margins, t) {
-	dim = dim_pcb_to_case(pcb_dim, margins, t);
-
-	size_x = dim[0]-6*t;
-	size_y = bolt_l-t;
-	size_z = dim[2]/2+3*bolt_ds;
-
-	difference () {
-		// base body
-		translate([3*t,dim[1]-t-size_y,0])
-			cube([size_x,size_y,size_z]);
-
-		// bolt holes
-		for (x = [dim[0]/4, dim[0]-dim[0]/4]) {
-			translate([x,dim[1]-t,dim[2]/2+1.5*bolt_ds])
-				rotate([90,0,0])
-					cylinder(d=bolt_ds+bolt_ds_tol, h=size_y, $fn=30);
-		}
-
-		// nut holes
-		for (x = [dim[0]/4, dim[0]-dim[0]/4]) {
-			translate([x, dim[1]-t-size_y, dim[2]/2+1.5*bolt_ds])
-				rotate([-90,0,0])
-					cylinder(d=nut_d+nut_d_tol, h=nut_h, $fn=30);
-		}
-	}
-
-	echo(min_shell_bolt_length=t+size_y);
-}
-
-module pcb_case_shell(pcb_dim, drillings, margins, t) {
-	difference () {
-		union() {
-			shell_base(pcb_dim, margins, t);
-			shell_connector(pcb_dim, margins, t);
-			for (drilling = drillings) {
-				translate([
-					2*t+margins[0][0]+drilling[0],
-					bolt_l+margins[1][0]+drilling[1],
-					0
-				]) cylinder(d=nut_d+2, h=t+margins[2][0], $fn=30);
-			}
-		}
-		for (drilling = drillings) {
-			translate([
-				2*t+margins[0][0]+drilling[0],
-				bolt_l+margins[1][0]+drilling[1],
-				0
-			]) {
-				cylinder(d=bolt_ds+bolt_ds_tol, h=t+margins[2][0], $fn=30);
-				cylinder(d=nut_d+nut_d_tol, h=nut_h, $fn=30);
-			}
-		}
-	}
-}
-
-module pcb_case_shell_bottom(pcb_dim, drillings, margins, t) {
-	pcb_case_shell(pcb_dim, drillings, margins, t);
-}
-
-module pcb_case_shell_top(pcb_dim, margins, t) {
-	dim = dim_pcb_to_case(pcb_dim, margins, t);
-
-	translate([0, dim[1], dim[2]])
-		rotate([180,0,0])
-			pcb_case_shell(pcb_dim, [], margins, t);
-}
diff --git a/mech/pcb_case/spacer.scad b/mech/pcb_case/spacer.scad
deleted file mode 100644
index e7eba3a..0000000
--- a/mech/pcb_case/spacer.scad
+++ /dev/null
@@ -1,10 +0,0 @@
-include <bolt.scad>
-
-spacer_h = 11;
-
-module spacer() {
-	difference() {
-		cylinder(d=bolt_dk, h=spacer_h, $fn=30);
-		cylinder(d=bolt_ds+bolt_ds_tol, h=spacer_h, $fn=30);
-	}
-}
diff --git a/mech/pcb_case/tolerance_tests.scad b/mech/pcb_case/tolerance_tests.scad
deleted file mode 100644
index 94911cd..0000000
--- a/mech/pcb_case/tolerance_tests.scad
+++ /dev/null
@@ -1,86 +0,0 @@
-include <bolt.scad>
-include <nut.scad>
-include <panel.scad>
-
-use <rounded_cube.scad>
-
-t = 2;
-step_width = 0.15;
-
-module bolt_drilling() {
-	steps = 2;
-
-	for(i = [-steps : steps]) {
-		tol = bolt_ds_tol + i * step_width;
-		echo(bolt_ds_tol=tol);
-		translate([i*5*bolt_ds,0,0])
-			difference() {
-				cube([5*bolt_ds, 5*bolt_ds, t]);
-				translate([2.5*bolt_ds,2.5*bolt_ds,0]) {
-					cylinder(d=bolt_ds+tol,h=t,$fn=50);
-				}
-			}
-	}
-}
-
-module nut_drilling() {
-	steps = 2;
-
-	for(i = [-steps : steps]) {
-		tol = nut_d_tol + i * step_width;
-		echo(nut_d_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+bolt_ds_tol,h=2*nut_h,$fn=50);
-						translate([0,0,nut_h])
-							cylinder(d=tol+nut_d,h=nut_h,$fn=50);
-					}
-				}
-			}
-	}
-}
-
-module panel_thickness() {
-	steps = 2;
-
-	height = 2*t;
-
-	for(i = [-steps : steps]) {
-		tol = panel_dim_0_tol + i * step_width;
-		echo(panel_dim_0_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]);
-				}
-			}
-	}
-}
-
-module panel_width_height() {
-	steps = 2;
-
-	height = 3*t;
-
-	for(i = [-steps : steps]) {
-		tol = panel_dim_1_2_tol + i * step_width;
-		echo(panel_dim_1_2_tol=tol);
-		translate([i*3*t,0,0])
-			difference() {
-				cube([3*t, 8*t, height]);
-				translate([t, t-tol/2, t]) {
-					rounded_cube([t+panel_dim_0_tol, 6*t+tol, 6*t+tol], t);
-				}
-			}
-	}
-}
-
-bolt_drilling();
-translate([0, 20, 0]) nut_drilling();
-translate([0, 70, 0]) panel_thickness();
-translate([0, 50, 0]) panel_width_height();
-translate([0, 85, 0]) rotate([0, -90, 0]) rounded_cube([t, 6*t, 6*t], t);