// -*- C -*-
-pump_dia = 27;
-seatstay_mindia = 14;
-seatstay_maxdia = 19;
+pump_dia = 27 + 0.9;
+seatstay_mindia = 14 + 0.5;
+seatstay_maxdia = 19 + 0.7;
pump_seatstay_gap = 12.3;
+pump_seatstay_delta = 0.1;
+pump_ridge_width = 8 + 2.0;
-module Holes(){
- translate([-(pump_seatstay_gap/2 + pump_dia/2), 0]) circle(r=pump_dia/2);
- translate([+(pump_seatstay_gap/2 + seatstay_mindia/2), 0]) {
- hull(){
- for (ud=[-1,1])
- translate([0, ud * (seatstay_maxdia-seatstay_mindia)/4])
- circle(r=seatstay_mindia/2);
+body_thick = 5;
+
+pin_workdepth = 16 - 1.0;
+pin_width = 11 + 1.0;
+pin_thick = 3 + 0.7;
+pin_base = 25;
+
+lock_manouvre_thick = 3.7 + 0.6;
+lock_manouvre_len = 18;
+lock_hang_width = 17.5;
+lock_manouvre_len_smaller = 13;
+
+body_depth_each = 5;
+clatter_gap = 0.5;
+
+roof_extent = 7;
+roof_thick = 2;
+
+// fudgeish
+
+cut_rotation = 2;
+holes_rotation = 9;
+pin_y_offset = 5.5;
+pin_x_offset = 0.5;
+ridge_rotation = 8.5;
+lock_hang_ratio = 7;
+
+// computed
+
+body_depth = pin_width + body_depth_each*2;
+
+module Holes(forbody=false){
+ translate([0, -pump_dia/2]);
+ rotate(-holes_rotation){
+ translate([-(pump_seatstay_gap/2 + pump_dia/2),
+ 0]) {
+ if (!forbody)
+ rotate(-ridge_rotation + holes_rotation)
+ translate([-50, -pump_ridge_width/2])
+ square([50, pump_ridge_width]);
+ circle(r=pump_dia/2, $fn=80);
+ }
+ translate([+(pump_seatstay_gap/2 + seatstay_mindia/2),
+ pump_dia/2 -seatstay_maxdia/2 -pump_seatstay_delta]) {
+ hull(){
+ for (ud=[-1,1])
+ translate([0, ud * (seatstay_maxdia-seatstay_mindia)/2])
+ circle(r=seatstay_mindia/2, $fn=50);
+ }
+ }
+ }
+}
+
+module BodyPlan(){
+ minkowski(){
+ circle(body_thick);
+ hull()
+ Holes(true);
+ }
+}
+
+module Body(){
+ translate([0,0,body_depth/2])mirror([0,0,1]){
+ linear_extrude(height=body_depth){
+ difference(){
+ BodyPlan();
+ Holes();
+ }
+ }
+ linear_extrude(height=roof_thick){
+ difference(){
+ hull(){
+ BodyPlan();
+ translate([0,-roof_extent,0]) BodyPlan();
+ }
+ Holes();
+ }
}
}
}
-Holes();
+module Pin(){
+ translate([pin_x_offset, pin_y_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*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]);
+ }
+ }
+}
+
+module All(){
+ difference(){
+ Body();
+ Pin();
+ }
+}
+
+module Piece(pc,interval){
+ translate([0,-pc*interval,0])
+ intersection(){
+ rotate([0,0,pc*180-cut_rotation])
+ translate([-200,clatter_gap/2,-200]) cube([400,400,400]);
+ All();
+ }
+}
+
+module PiecePrint(pc){
+ rotate([0,0,90]) rotate([0,180,0])
+ Piece(pc,4);
+}
+
+module PiecesPrint(){
+ PiecePrint(0);
+ PiecePrint(1);
+}
+
+module Demo(){
+ for (pc=[0,1])
+ Piece(pc,0);
+}
+
+//Holes();
+//Demo();
+//All();
+//Pin();
+//Pieces();
+PiecesPrint();
+//PiecePrint(0);
+//PiecePrint(1);