From 40fb62f4aa388588a77a8b899c7282661f17aeb6 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Thu, 23 Aug 2012 14:02:38 +0100
Subject: [PATCH] 10254 our tower-base wip

---
 th-10254/tower-base.scad | 43 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/th-10254/tower-base.scad b/th-10254/tower-base.scad
index 6199cde..bc86efc 100644
--- a/th-10254/tower-base.scad
+++ b/th-10254/tower-base.scad
@@ -3,6 +3,7 @@ motorwidth=35.2;
 motorheight=36.5;
 
 pillarthick=8;
+sidethick=3;
 
 mw2=motorwidth/2;
 
@@ -14,11 +15,53 @@ module corner() {
 	}
 }
 
+module halfside() {
+	spacesz = (motorwidth - pillarthick/2*2) / 4;
+	panelheight = spacesz + sidethick;
+	panelbasez = motorheight+pillarthick/4-panelheight;
+	translate([0,-mw2,0]) {
+		translate([-mw2,-sidethick,0])
+			cube([motorwidth,sidethick,sidethick]);
+		difference(){
+			translate([-mw2,-sidethick, panelbasez])
+				cube([mw2,sidethick,panelheight]);
+			translate([-mw2+pillarthick/3, -sidethick, panelbasez])
+				rotate([0,45,0])
+				translate([0,-1,0])
+				cube([spacesz * sqrt(2),
+				      sidethick+2,
+				      spacesz * sqrt(2)]);
+		}
+		intersection(){
+			union(){
+				translate([-mw2+pillarthick/3,
+				           -sidethick, panelbasez])
+					rotate([0,45,0])
+					translate([0,0,-sidethick])
+					cube([100, sidethick, sidethick]);
+				translate([0,
+				           -sidethick,
+					   panelbasez + sidethick/sqrt(2)])
+					rotate([0,45,0])
+					translate([0,0,-sidethick])
+					cube([100, sidethick, sidethick]);
+			}
+			translate([-mw2,-sidethick,0])
+				cube([motorwidth,sidethick,
+					motorheight+pillarthick]);
+		}
+	}
+}
+
 module towerbase() {
 	difference(){
 		union(){
 			for (angle=[0,90,180,270])
 				rotate([0,0,angle]) corner();
+			for (angle=[0,90,180]) {
+				rotate([0,0,angle]) halfside();
+				rotate([0,0,angle]) mirror([1,0,0]) halfside();
+			}
 		}
 		translate([-mw2,-mw2,-1])
 			cube([motorwidth,motorwidth,motorheight]);
-- 
2.30.2