crewpunch_slop = 0.3;
+holder_min_wall = 2;
+
+holder_attach_xsz = 5;
+holder_ctie_width = 4.0 + 0.5;
+holder_ctie_thick = 2.0 + 0.5;
+holder_attach_walls = 3;
+holder_attach_roof = 2.5;
+
+jig_interval = 25;
+strap_width = 25;
+edgewall_width = 3;
+
+main_slop = 0.5;
+
// from careful measurement
crewpunch_shape =
[ 14, [2.1, 6.8], [2.6, 13.0] ],
[ 16, [2.4, 6.9], [2.7, 13.2] ]];
+crewpunch_shaft_max_y = 7.5;
+
crewpunch_systematic_size_error = +0.36;
crewpunch_min_y = 4.7 - crewpunch_systematic_size_error;
+crewpunch_smallest_shape = crewpunch_shape[0];
+crewpunch_biggest_shape = crewpunch_shape[len(crewpunch_shape)-1];
+
+// computed
+
+attach_ysz = holder_attach_walls*2 + holder_ctie_width;
+holder_front_wall = crewpunch_shaft_max_y - crewpunch_biggest_shape[1][1]
+ + attach_ysz;
+
+holder_block_zsz = crewpunch_biggest_shape[0] - crewpunch_smallest_shape[0];
+holder_xsz = crewpunch_biggest_shape[2][0] + crewpunch_biggest_shape[2][1] +
+ holder_min_wall*2;
+crewpunch_biggest_y =
+ crewpunch_biggest_shape[1][0] + crewpunch_biggest_shape[1][1];
+holder_ysz = crewpunch_biggest_y + holder_min_wall + holder_front_wall;
+
+attach_offset = holder_attach_xsz + holder_min_wall;
+
// objects
module CrewPunch(){
}
}
-CrewPunch();
+module PunchHolder(cutouts=true){
+ translate([-holder_xsz/2,
+ -holder_ysz + holder_min_wall + crewpunch_biggest_y/2,
+ 0]){
+ difference(){
+ translate([0,attach_offset,0])
+ cube([holder_xsz, holder_ysz - attach_offset, holder_block_zsz]);
+ if (cutouts)
+ translate([crewpunch_biggest_shape[2][1] + holder_min_wall,
+ crewpunch_biggest_shape[1][0] + holder_front_wall,
+ -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 + holder_ctie_thick + holder_attach_roof + 1]);
+ if (cutouts)
+ translate([-30, holder_attach_walls, holder_block_zsz + 0.1])
+ cube([60, holder_ctie_width, holder_ctie_thick]);
+ }
+ }
+}
+
+module OneJig(){
+ difference(){
+ translate([-(jig_interval/2 + 1),
+ -(strap_width/2 + edgewall_width) - attach_offset,
+ 0])
+ cube([jig_interval + 2,
+ strap_width + edgewall_width*2 + attach_offset,
+ holder_ysz]);
+ minkowski(){
+ cube([main_slop*2, main_slop*2, 50], center=true);
+ PunchHolder(false);
+ }
+ }
+}
+
+//CrewPunch();
+//PunchHolder();
+//PunchHolder(false);
+OneJig();