From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Wed, 18 Oct 2017 22:59:36 +0000 (+0100)
Subject: poster-tube-lid: wip StrapMount
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=150520d328b8faeb81ce12bb304762b4d4e6c6c3;hp=d0fcf567a287b8f0298dbfc6e7e56468744b14d5;p=reprap-play.git

poster-tube-lid: wip StrapMount
---

diff --git a/poster-tube-lid.scad b/poster-tube-lid.scad
index f687328..53b1ab4 100644
--- a/poster-tube-lid.scad
+++ b/poster-tube-lid.scad
@@ -120,7 +120,7 @@ smc_bolt_y = sm_bolt_dia/2 + sm_bolt_y_clear;
 smc_max_y = smc_bolt_y + sm_bolt_y_over
   + max(sm_bolt_head_dia/2, smc_bolt_nut_dia/2);
 smc_cnr_c_x = sm_bolt_shaft/2 - sm_closure_cnr
-  - max(sm_bolt_head_thick, sm_bolt_nut_thick);
+  + max(sm_bolt_head_thick, sm_bolt_nut_thick);
 
 $fs= coarse ? 2.5 : 0.5;
 $fa= coarse ? 5 : 1;
@@ -393,8 +393,21 @@ module CoverTest1(){ ////toplevel
   }
 }
 
-module StrapMountBolt(){ ///toplevel
+module StrapMountBolt(l_delta){ ///toplevel
   // positioned relative to smc_pos
+  translate([(sm_bolt_nut_thick - sm_bolt_head_thick)/2,
+	     smc_bolt_y,
+	     sm_main_width/2]){
+    translate([ -sm_bolt_shaft/2-1, 0,0 ]){
+      rotate([0,90,0]) cylinder(r= sm_bolt_dia/2, h= sm_bolt_shaft+2);
+    }
+    translate([ -sm_bolt_shaft/2, 0,0 ])
+      rotate([0,-90,0])
+      cylinder($fn=6, r=smc_bolt_nut_dia/2, h=sm_bolt_nut_thick + l_delta);
+    translate([ sm_bolt_shaft/2, 0,0 ])
+      rotate([0,90,0])
+      cylinder(r=sm_bolt_head_dia/2, h=sm_bolt_head_thick + l_delta);
+  }
 }
 
 module StrapMount(){ ////toplevel
@@ -407,7 +420,7 @@ module StrapMount(){ ////toplevel
 	    for (m = [0,1]) mirror([m,0,0]) {
 	      translate([-smc_cnr_c_x, smc_max_y - sm_closure_cnr])
 		circle(r=sm_closure_cnr);
-	      translate([-smc_cnr_c_x, -sm_inner_rad])
+	      translate([-smc_cnr_c_x-sm_closure_cnr, -sm_inner_rad])
 		square([1,1]);
 	    }
 	  }
@@ -416,6 +429,8 @@ module StrapMount(){ ////toplevel
     }
     translate([0,0,-1])
       cylinder(r=sm_inner_rad, h=sm_main_width+2);
+    translate(smc_pos)
+      StrapMountBolt(10);
   }
 }