From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Tue, 3 Jul 2012 00:37:40 +0000 (+0100)
Subject: light-bracket: wip, has holes
X-Git-Tag: iwj-success-2012-07-29~33
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=commitdiff_plain;h=55e5735470f8bf73740c1c26e7d3a0178a8ff72c

light-bracket: wip, has holes
---

diff --git a/light-bracket.scad b/light-bracket.scad
index 66d406f..c5715f6 100644
--- a/light-bracket.scad
+++ b/light-bracket.scad
@@ -10,6 +10,8 @@ base_margin=4.0;
 base_width=remote_width-base_margin*2;
 base_height=remote_height-base_margin*2;
 
+// origin is base of mainhole
+
 module mainhole() {
 	translate([ -remote_width/2, 0, 0 ])
 	cube(center=false,
@@ -42,16 +44,30 @@ module hstuff() {
 	translate([-10,0,0]) hhookbot(15);
 }
 
+module base() {
+	translate([-base_width/2, base_margin, -base_thick*2])
+		cube(center=false, [base_width,base_height,base_thick+10]);
+}
+
 module stuff() {
 	hstuff();
 	mirror([1,0,0]) hstuff();
-	translate([-base_width/2, base_margin, -base_thick*2])
-		cube(center=false, [base_width,base_height,base_thick+10]);
+	base();
+}
+
+module screwhole(holedia, csdia) {
+	// screw goes along z axis downwards
+	// origin is base of countersink
+	// results are positive, so this should be subtracted
+	translate([0,0,-100]) cylinder(h=200, r=holedia/2);
+	cylinder(h=100, r=csdia/2);
 }
 
 difference() {
 	stuff();
 	mainhole();
+	translate([0, 20,               -base_thick+2]) screwhole(4,10);
+	translate([0, remote_height-30, -base_thick+2]) screwhole(4,10);
 	translate([0,0,-50 - base_thick])
 		cube(center=true,[300,300,100]); // print bed
 }