From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Thu, 25 Aug 2016 23:42:31 +0000 (+0100)
Subject: flyscreen-handle: wip, HandleSection
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=commitdiff_plain;h=996cdc5280b4ebdcb67859b4f5f4c00da0d1d6b8

flyscreen-handle: wip, HandleSection
---

diff --git a/flyscreen-handle.scad b/flyscreen-handle.scad
index 4bc5798..cd11a64 100644
--- a/flyscreen-handle.scad
+++ b/flyscreen-handle.scad
@@ -13,6 +13,7 @@ bot_w = 3;
 handle_d = 2;
 handle_w = 8;
 handle_rh = 2;
+handle_rcut = 3;
 
 // calculated
 
@@ -20,8 +21,12 @@ ins_irad = openingcnr_dia/2 + gap;
 ins_orad = openingcnr_dia/2 + opening_height - gap;
 ins_th = ins_orad - ins_irad;
 
+handle_x0 = ins_irad;
 handle_h = bot_overlap + ins_th;
 handle_y0 = -ins_orad-bot_overlap;
+handle_y1 = handle_y0 + handle_h;
+
+handle_x1 = handle_x0 + bot_w + handle_w;
 
 module InsertSection(){
   translate([-ins_orad, 0]) square([ins_th, opening_topprotr]);
@@ -30,15 +35,28 @@ module InsertSection(){
     translate([0.1,0.1]) mirror([1,1]) square([100,100]);
     difference(){
       circle(r= ins_orad);
-      circle(r= ins_irad, $fn=10);
+      circle(r= ins_irad, $fn=20);
     }
   }
 }
 
 module HandleSection(){
-  hull(){
-    translate([ins_irad, handle_y0])
-      square([bot_w, handle_h]);
+  difference(){
+    hull(){
+      translate([handle_x0, handle_y0])
+	square([bot_w, handle_h]);
+      for (dy= [handle_rh/2, handle_h - handle_rh/2]) {
+	translate([handle_x1 - handle_rh/2, handle_y0 + dy])
+	  circle(r= handle_rh/2, $fn=20);
+      }
+    }
+    hull(){
+      for (x= [handle_x0 + bot_w + handle_rcut/2,
+	       handle_x1 - handle_rh/2 - handle_rcut/2]) {
+	translate([x, handle_y1])
+	  circle(r = handle_rcut/2, $fn=20);
+      }
+    }
   }
 }