+ ourslop = crewpunch_slop - crewpunch_systematic_size_error;
+ hull(){
+ for(layer=crewpunch_shape){
+ translate([0,0, layer[0]]){
+ for(xind=[0,1]) //translate([xind?0:1,0,0])
+ for(yind=[0,1]) //translate([0,yind?0.5:0,0])
+ mirror([xind?1:0,0,0]) mirror([0,yind?0:1,0]){
+ translate([-0.1,-0.1,-0.1])
+ cube([0.1 + layer[2][1-xind] + ourslop,
+ 0.1 + layer[1][yind] + ourslop,
+ 0.2]);
+ }
+ }
+ }
+ }
+}
+
+module PunchHolder(cutouts=true){
+ translations=[-holder_xsz/2,
+ -holder_ysz + holder_min_wall + crewpunch_biggest_y/2,
+ 0];
+ translate(translations){
+ difference(){
+ translate([0,attach_offset,0])
+ cube([holder_xsz, holder_ysz - attach_offset, holder_block_zsz]);
+ if (cutouts)
+ translate([0,-crewpunch_skew_yoff])
+ translate(-translations)
+ rotate([0,0,-crewpunch_skew_angle])
+ translate(translations)
+ translate([crewpunch_biggest_shape[2][0] + holder_min_wall,
+ crewpunch_biggest_shape[1][0] + holder_front_all,
+ -crewpunch_smallest_shape[0]])
+ CrewPunch();
+ }
+ difference(){
+ translate([holder_xsz/2 - holder_attach_xsz/2, 0, 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),
+ -(strap_width/2 + edgewall_width) - attach_offset,
+ -strap_thick])
+ cube([jig_interval + 2,
+ strap_width + edgewall_width*2 + attach_offset,
+ 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);
+ }
+ }