From 4ab564dfc73ffe3fbd679c1d161cdc036b688454 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 1 Mar 2019 20:12:02 +0000
Subject: [PATCH] salter-scale-hook: wip

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 salter-scale-hook.scad | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/salter-scale-hook.scad b/salter-scale-hook.scad
index afacf9f..e67ed73 100644
--- a/salter-scale-hook.scad
+++ b/salter-scale-hook.scad
@@ -9,20 +9,28 @@ screw_head_dia = 8.2 + 1.0;
 rod_offset = 14 + 2;
 mainheight = 25;
 width = 40;
+rearthick = 3;
+
+// calculated
+
+d = rod_dia/2 + thick/2;
+yminc = -d;
+ymin = yminc-thick/2;
+ymaxc = mainheight;
+ymax = mainheight+thick/2;
 
 module C() {
   circle(r = thick/2, $fn=30);
 }
 
 module Profile() {
-  d = rod_dia/2 + thick/2;
   e = rod_offset;
   hull(){
     translate([-d, 0]) C();
     translate([-d,-d]) C();
   }
   difference(){
-    rectfromto([-d,-d-thick/2], [e,0]);
+    rectfromto([-d,ymin], [e,0]);
     circle(r= rod_dia/2, $fn=50);
   }
   hull(){
@@ -34,9 +42,11 @@ module Profile() {
 }
 
 module CutProfile(){
-  
+//  rectfromto([
 }
 
 module Demo(){
   Profile();
 }
+
+Demo();
-- 
2.30.2