fairphone-case: hinge: screws

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/fairphone-case.scad b/fairphone-case.scad
index 6241152c301de9da4df05380d3b73d263094ce5b..ac49be5cb0694d5a34d33f64a57153a4d806f4b3 100644 (file)
--- a/fairphone-case.scad
+++ b/fairphone-case.scad
@@ -66,6 +66,7 @@ hingescrew_shaft_len = 12;
 hingescrew_nut_thick = 1.93 + 0.20; // incl. washer
 hingescrew_nut_dia = 4.72 + 0.50; // washer, actually
 hingescrew_head_th = 1.38 + 0.75;
+hingescrew_head_dia = 3.92;
 lever_cover_th = 0.75;
 hingemount_th = 2.5;
 
@@ -164,7 +165,9 @@ hex20 = max(epp2o[0],
 hex21 = hex20 + hingescrew_portion_len;
 hex22 = hex21 - hinge_x_gap;
 hex23 = hex22 + hingescrew_portion_len;
-hex24 = hex23 + hinge_x_postscrew_gap;
+hex24 = hex20 + hingescrew_shaft_len + hinge_x_postscrew_gap;
+echo(hex20, hex21, hex22, hex23, hex24);
+echo(hingescrew_portion_len);
 
 // ---------- modules ----------
 
@@ -708,9 +711,25 @@ module ButtonPlanForDemo(z, deep, cut){
     ButtonPlan(8, deep, cut);
 }
 
+module DemoHingeScrews(){
+  Flip_rhs() Flip_bot(1){
+    for (c= [ hppT, hppB ])
+      translate([ hex20,
+                 -c[0],
+                 c[1] ]){
+       rotate([0,90,0])
+         translate([0,0,-.1])
+         cylinder( r= hingescrew_shaft_dia/2, h = hingescrew_shaft_len+0.1 );
+       rotate([0,-90,0])
+         cylinder( r= hingescrew_head_dia/2, h = hingescrew_head_th );
+      }
+  }
+}
+
 module DemoFrame(){ ////toplevel
   color("red") TestFrameCase();
   color("blue") intersection(){ Lid(); TestSelectFrame(); }
+  color("black") DemoHingeScrews();
   %HingeLever();
 }
 
@@ -721,10 +740,12 @@ module DemoHingedFrame(){ ///toplevel
   translate([0,0, -2*hp_k])
   color("blue") intersection(){ Lid(); TestSelectFrame(); }
   
-  color("orange") translate(hinge_origin)
+  translate(hinge_origin)
     rotate([180,0,0])
-    translate(-hinge_origin)
-    HingeLever();
+    translate(-hinge_origin) {
+      color("orange") HingeLever();
+      color("black") DemoHingeScrews();
+    }
 }
 
 module DemoHinge(){ ////toplevel