crewpunch_slop = 0.3;
holder_min_wall = 2;
-holder_attach_near_wall = 3;
+holder_attach_near_wall = 5;
holder_attach_xsz = 5;
holder_ctie_width = 4.0 + 0.5;
[ 26, [3.3, 7.2], [3.5, 13.6] ],
];
-crewpunch_shaft_max_y = 3.5;
+crewpunch_shaft_max_y = 7.5;
crewpunch_systematic_size_error = +0.36;
crewpunch_smallest_shape = crewpunch_shape[0];
crewpunch_biggest_shape = crewpunch_shape[len(crewpunch_shape)-1];
-crewpunch_skew_angle = 2.0; //degrees
-crewpunch_skew_yoff = -0.6; //mm
+crewpunch_skew_angle = 3.5; //degrees
+crewpunch_skew_yoff = +1.1; //mm
// computed
+punch_dx = 0.5 * (-crewpunch_biggest_shape[2][0]
+ +crewpunch_biggest_shape[2][1]);
+punch_dy = 0.5 * (+crewpunch_biggest_shape[1][1]
+ -crewpunch_biggest_shape[1][0]) + crewpunch_skew_yoff;
+
attach_ysz = holder_attach_walls*2 + holder_ctie_width;
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;
-holder_front_all = crewpunch_shaft_max_y - crewpunch_biggest_shape[1][0]
- + attach_ysz + crewpunch_systematic_size_error + crewpunch_skew_yoff
- + holder_xsz/2 * sin(abs(crewpunch_skew_angle));
+holder_skewangle_yextra = holder_xsz/2 * sin(abs(crewpunch_skew_angle));
+
+holder_max_y = punch_dy + crewpunch_biggest_shape[1][0] + holder_min_wall
+ + crewpunch_systematic_size_error + holder_skewangle_yextra;
+
+holder_attach_max_y = punch_dy
+ - max(crewpunch_biggest_shape[1][1], crewpunch_shaft_max_y)
+ - crewpunch_systematic_size_error - holder_skewangle_yextra;
-crewpunch_biggest_y =
- crewpunch_biggest_shape[1][0] + crewpunch_biggest_shape[1][1];
-holder_ysz = crewpunch_biggest_y + holder_min_wall + holder_front_all;
+holder_block_min_y = punch_dy
+ - crewpunch_biggest_shape[1][1] - holder_attach_near_wall +
+ - crewpunch_systematic_size_error - holder_skewangle_yextra;
-attach_offset = 0.5 * (holder_front_all - holder_attach_near_wall);
+holder_all_min_y = holder_attach_max_y - attach_ysz;
+
+jig_max_y = max(holder_max_y + main_slop, strap_width/2) + edgewall_width;
+jig_min_y = min(holder_all_min_y - main_slop, -strap_width/2) - edgewall_width;
jig_main_zsz = holder_block_zsz + punch_travel;
}
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]);
+ translate([-holder_xsz/2, holder_block_min_y, 0])
+ cube([holder_xsz,
+ holder_max_y - holder_block_min_y,
+ 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][1] + holder_min_wall,
- crewpunch_biggest_shape[1][1] + holder_front_all,
+ translate([punch_dx,
+ punch_dy,
-crewpunch_smallest_shape[0]])
CrewPunch();
}
difference(){
- translate([holder_xsz/2 - holder_attach_xsz/2, 0, 0])
+ translate([-holder_attach_xsz/2, holder_all_min_y, 0])
cube([holder_attach_xsz,
attach_ysz,
holder_block_zsz + punch_travel
holder_block_zsz + punch_travel])
cube([60, holder_ctie_width, holder_ctie_thick]);
}
- }
}
module RegistrationGroove(l){
module OneJig(){
difference(){
translate([-(jig_interval/2 + jig_overlap),
- -(strap_width/2 + edgewall_width) - attach_offset,
+ jig_min_y,
-strap_thick])
cube([jig_interval + 2,
- strap_width + edgewall_width*2 + attach_offset,
+ jig_max_y - jig_min_y,
jig_main_zsz + strap_thick]);
minkowski(){
cube([main_slop*2, main_slop*2, 50], center=true);
//PunchHolder(false);
//OneJig();
//Jig();
-//Demo();
+Demo();
//JigT();
//RegistrationProtrusion();
//PunchHolderT();