From f2887756b061ae0e97f9655160e1ef36c895def9 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Sat, 29 Feb 2020 18:15:12 +0100
Subject: [PATCH] BSB Case: Tuning parameters...

---
 bsb/case/case.scad | 27 ++++++++++++++++-----------
 1 file changed, 16 insertions(+), 11 deletions(-)

diff --git a/bsb/case/case.scad b/bsb/case/case.scad
index 6298e51..b5b75fc 100644
--- a/bsb/case/case.scad
+++ b/bsb/case/case.scad
@@ -1,13 +1,13 @@
 // x,y is [0,0] at near left PCB screw
 // z=0 is the bottom of the PCB
 
-wall_thickness = 1.5;
-front_panel_thickness = 1.2;
+wall_thickness = 1.8;
+front_panel_thickness = 1.35;
 
 // Measured between PCB screws
 pcb_width = 66;		// x
 pcb_length = 58.4;	// y
-screw_inside_diam = 2;
+screw_inside_diam = 2.5;
 screw_outside_diam = 5;
 
 // From screws to PCB edges
@@ -45,8 +45,8 @@ holder_tail_depth = 14;
 
 // Lid
 lid_thickness = 2;
-lid_screw_thickness = 3;
-lid_screw_head_diam = 5.8;
+lid_screw_thickness = 3.2;
+lid_screw_head_diam = 6;
 lid_screw_head_height = 2.8;
 lid_screw_holder_height = 4;	// includes lid_thickness
 // we want lid_screw_holder_height + (holder_depth + holder_tail_depth)/2 >= screw length (13 mm)
@@ -146,6 +146,14 @@ module lid_screw_hole() {
 		cylinder(h = lid_screw_head_height + over, d1 = lid_screw_thickness, d2 = lid_screw_head_diam);
 }
 
+module lid_text(overshoot = 0) {
+	translate([pcb_width / 2, 10, -text_depth/2])
+	rotate(0)
+	scale([0.8, 0.8, 1])
+		linear_extrude(text_depth + overshoot, center = true)
+		text("USB – BSB", font = "Liberation Serif", halign="center");
+}
+
 module lid() {
 	difference() {
 		union() {
@@ -173,13 +181,10 @@ module lid() {
 			lid_screw_hole();
 
 		// Text
-		translate([pcb_width / 2, 10, -text_depth/2])
-		rotate(0)
-		scale([0.8, 0.8, 1])
-			linear_extrude(text_depth + over, center = true)
-			text("USB – BSB", font = "Liberation Serif", halign="center");
+		lid_text(over);
 	}
 }
 
 bottom();
-color([1, 0, 0]) translate([0, 0, box_height]) lid();
+// color([1, 0, 0]) translate([0, 0, box_height]) lid();
+// color([0, 0, 1]) translate([0, 0, box_height]) lid_text(0);
-- 
2.39.2