+module PunchHolder(cutouts=true){
+ difference(){
+ translate([-holder_xsz/2, holder_block_min_y, 0])
+ cube([holder_xsz,
+ holder_max_y - holder_block_min_y,
+ holder_block_zsz]);
+ if (cutouts)
+ rotate([0,0,-crewpunch_skew_angle])
+ translate([punch_dx,
+ punch_dy,
+ -crewpunch_smallest_shape[0]])
+ CrewPunch();
+ }
+ difference(){
+ translate([-holder_attach_xsz/2, holder_all_min_y, 0])
+ cube([holder_attach_xsz,
+ attach_ysz,
+ holder_block_zsz + punch_travel
+ + holder_ctie_thick + holder_attach_roof + 1]);
+ if (cutouts)
+ translate([-30,
+ holder_attach_walls,
+ holder_block_zsz + punch_travel])
+ cube([60, holder_ctie_width, holder_ctie_thick]);
+ }
+}
+
+module RegistrationGroove(l){
+ // runs along the +ve X axis for length l but at correct z pos
+ translate([0, 0, jig_main_zsz + 0.1]) {
+ rotate([90,0,90])
+ linear_extrude(height=l)
+ polygon([[-registrationgroove_width/2, 0],
+ [ +registrationgroove_width/2, 0],
+ [ 0, -registrationgroove_depth ]]);
+ }
+}
+
+module OneJig(){
+ difference(){
+ translate([-(jig_interval/2 + jig_overlap),
+ jig_min_y,
+ -strap_thick])
+ cube([jig_interval + 2,
+ jig_max_y - jig_min_y,
+ jig_main_zsz + strap_thick]);
+ minkowski(){
+ cube([main_slop*2, main_slop*2, 50], center=true);
+ PunchHolder(false);
+ }
+ translate([-100, -strap_width/2, -10])
+ cube([200, strap_width, 10]);
+ translate([-100,0,0])
+ RegistrationGroove(200);
+ for (xfrac=[-1/4,0,+1/4])
+ translate([jig_interval * xfrac, -100, 0])
+ rotate([0,0,90])
+ RegistrationGroove(200);
+ }
+}
+
+module RegistrationProtrusion(){
+ // points towards the positive x axis
+ xsz = registrationprotrusion_poke;
+ ysz = registrationprotrusion_poke;
+ diag_sz = xsz * sqrt(2);
+ zsz = diag_sz / registrationprotrusion_slope;
+ hull(){
+ translate([0, 0, 0.1]){
+ linear_extrude(height=0.1)
+ polygon([[ 0, -ysz ],
+ [ xsz, 0 ],
+ [ 0, ysz ]]);
+ translate([-0.1, 0, zsz ])
+ rotate([0,0,45])
+ cube(0.1);
+ }
+ }
+}
+
+module Jig(){
+ for(end=[0,1]){
+ for(yfrac=[-1/2, 0, 1/2]){
+ translate([ end
+ ? jig_interval * (jig_iters - 0.5)
+ : -jig_interval/2,
+ yfrac * strap_width,
+ 0])
+ rotate([0,0, end ? 0 : 180])
+ translate([ jig_overlap, 0, 0 ])
+ RegistrationProtrusion();
+ }
+ }
+ for (i=[0:jig_iters-1]) {
+ translate([jig_interval * i, 0, 0])
+ OneJig();
+ }
+}
+
+module JigT(){ ////toplevel
+ translate([0,0,jig_main_zsz])
+ rotate([180,0,0])
+ Jig();
+}
+
+module PunchHolderT(){ ////toplevel
+ PunchHolder(true);
+}
+
+module Demo(){ ////toplevel
+ %PunchHolder();
+ Jig();
+}
+
+module Kit(){ ////toplevel
+ rotate([0,0,-45]){
+ JigT();
+ translate([(jig_iters-1)*jig_interval/2,
+ -strap_width,
+ 0])
+ PunchHolder();
+ }
+}
+
+//CrewPunch();
+//PunchHolder();
+//PunchHolder(false);
+//OneJig();
+//Jig();
+//Demo();
+//JigT();
+//RegistrationProtrusion();
+//PunchHolderT();
+//Kit();