X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=blobdiff_plain;f=topeak-seatstay-lock.scad;h=072a55769e298641432b12df9db8d3a6781d0fc5;hp=f854e59413b53ce4b16cce983c7b431e754ad0f2;hb=9b3087a6117d4143978dad2af8901be6de9bcd15;hpb=8b07a6d5a83e94bfdbf3a2e24f538e92e279eb22

diff --git a/topeak-seatstay-lock.scad b/topeak-seatstay-lock.scad
index f854e59..072a557 100644
--- a/topeak-seatstay-lock.scad
+++ b/topeak-seatstay-lock.scad
@@ -22,6 +22,9 @@ lock_manouvre_len_smaller = 13;
 body_depth_each = 5;
 clatter_gap = 0.5;
 
+roof_extent = 7;
+roof_thick = 2;
+
 // fudgeish
 
 cut_rotation = 2;
@@ -29,6 +32,7 @@ holes_rotation = 9;
 pin_y_offset = 5.5;
 pin_x_offset = 0.5;
 ridge_rotation = 8.5;
+lock_hang_ratio = 7;
 
 // computed
 
@@ -65,11 +69,21 @@ module BodyPlan(){
 }
 
 module Body(){
-  translate([0,0,-body_depth/2])
+  translate([0,0,body_depth/2])mirror([0,0,1]){
     linear_extrude(height=body_depth){
-    difference(){
-      BodyPlan();
-      Holes();
+      difference(){
+	BodyPlan();
+	Holes();
+      }
+    }
+    linear_extrude(height=roof_thick){
+      difference(){
+	hull(){
+	  BodyPlan();
+	  translate([0,-roof_extent,0]) BodyPlan();
+	}
+	Holes();
+      }
     }
   }
 }
@@ -82,16 +96,13 @@ module Pin(){
       translate([-pin_width/2, -100]) square([pin_width, 101]);
     }
     hull() for (d=[0,10]) {
-      translate([d*2,-d,0])
+      translate([d*lock_hang_ratio,-d,0])
 	translate([-lock_manouvre_thick/2,
 		   -pin_workdepth-100,
 		   -lock_manouvre_len_smaller])
 	cube([lock_manouvre_thick, 100,
 	      lock_manouvre_len + lock_manouvre_len_smaller]);
     }
-    translate([-lock_manouvre_thick/2, -pin_workdepth-50,
-	       -lock_hang_width/2])
-      cube([50, 50, lock_hang_width]);
   }
 }
 
@@ -112,14 +123,13 @@ module Piece(pc,interval){
 }
 
 module PiecePrint(pc){
-  rotate([0,180,0])
+  rotate([0,0,90]) rotate([0,180,0])
     Piece(pc,4);
 }
 
-module PiecesPrint(pcs=[0,1]){
-  for (pc=pcs){
-    PiecePrint();
-  }
+module PiecesPrint(){
+  PiecePrint(0);
+  PiecePrint(1);
 }
 
 module Demo(){