X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=topeak-seatstay-lock.scad;h=d00f0d45fda90b5fb6bf2272eebb3b33c469195e;hb=736b9344219efd9875a47bb859160434282bad8a;hp=efa3d13cdd10c213a67c033254e00736c12b9f68;hpb=2a45007e093f5e240868c0102e6e288fd5b87daa;p=reprap-play.git

diff --git a/topeak-seatstay-lock.scad b/topeak-seatstay-lock.scad
index efa3d13..d00f0d4 100644
--- a/topeak-seatstay-lock.scad
+++ b/topeak-seatstay-lock.scad
@@ -1,11 +1,35 @@
 // -*- C -*-
 
-pump_dia = 27;
-seatstay_mindia = 14;
-seatstay_maxdia = 19;
+pump_dia = 27 + 0.5;
+seatstay_mindia = 14 + 0.5;
+seatstay_maxdia = 19 + 0.5;
 pump_seatstay_gap = 12.3;
 pump_seatstay_delta = 0.1;
-holes_rotation = 7;
+
+body_thick_x = 5;
+body_thick_y = 5;
+
+pin_workdepth = 16;
+pin_width = 11 + 0.5;
+pin_thick = 3 + 0.6;
+pin_base = 25;
+
+lock_manouvre_thick = 3.5 + 0.5;
+lock_manouvre_len = 18;
+lock_hang_width = 17.5;
+lock_manouvre_len_smaller = 13;
+
+body_depth_each = 5;
+clatter_gap = 0.5;
+
+// fudgeish
+
+holes_rotation = 9;
+pin_offset = 7;
+
+// computed
+
+body_depth = pin_width + body_depth_each*2;
 
 module Holes(){
   translate([0, -pump_dia/2]);
@@ -24,4 +48,75 @@ module Holes(){
   }
 }
 
-Holes();
+module BodyPlan(){
+  hull(){
+    for(x=[-1,1]) for(y=[-1,1])
+      translate([x*body_thick_x, y*body_thick_y])
+	Holes();
+  }
+}
+
+module Body(){
+  translate([0,0,-body_depth/2])
+    linear_extrude(height=body_depth){
+    difference(){
+      BodyPlan();
+      Holes();
+    }
+  }
+}
+
+module Pin(){
+  translate([0, pin_offset, 0]) rotate([0,90,0]){
+    translate([0, 0, -pin_thick/2])
+      linear_extrude(height=pin_thick){
+      translate([-pin_base/2, 0]) square([pin_base, 50]);
+      translate([-pin_width/2, -100]) square([pin_width, 101]);
+    }
+    hull() for (d=[0,10]) {
+      translate([d*2,-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]);
+  }
+}
+
+module Demo(){
+  %Body();
+  Pin();
+}
+
+module All(){
+  difference(){
+    Body();
+    Pin();
+  }
+}
+
+module Piece(pc){
+  translate([0,-pc*4,0])
+    intersection(){
+    mirror([0,pc,0])
+      translate([-200,clatter_gap/2,-200]) cube([400,400,400]);
+    All();
+  }
+}
+
+module PiecesPrint(){
+  rotate([0,180,0])
+    for (pc=[0,1]){
+      Piece(pc);
+    }
+}
+
+//Demo();
+//All();
+//Pin();
+//Pieces();
+PiecesPrint();