ly_r = lanyard_half_dia / 2;
ly_rc = ly_r * 2;
-ly_re = 10; // xxx
+
+ly_theta = -atan2vector(epp2i - epp1);
+ly_o = epp2i + 3 * ly_r * unitvector2d(epp1 - epp2i);
+
+max_case_bottom_edge_thickness =
+ case_th_bottom
+ + sin(ly_theta) * (epp2i-epp2o)[0];
+
+ly_q_z = -(ly_rc + ly_r);
+ly_re = max_case_bottom_edge_thickness - (-ly_q_z);
+
+ly_oec_y = lanyard_entry_rel_breadth * ly_r;
// prop recess in case
}
}
+module LanyardEntryOuterProfile(){
+ circleat([ly_re + ly_r, 0], ly_re);
+}
+
module LanyardEntry(){
- q_z = -(ly_rc + ly_r);
- d_x = -ly_rc;
+ q_z = ly_q_z;
+ oec_y = ly_oec_y;
- oec_y = lanyard_entry_rel_breadth * ly_r;
+ d_x = -ly_rc;
translate([d_x, 0, q_z]) {
intersection(){
}
}
- for (my=[0,1])
- mirror([0,my,0]){
- translate([0, oec_y, 0]){
- difference(){
- translate(ly_re * [-1,0,-1])
- cube(ly_re * [2,1,1]);
- rotate_extrude(convexity=10)
- circleat([ly_re + ly_r, 0], ly_re);
+ translate([0,0,q_z]){
+ for (my=[0,1])
+ mirror([0,my,0]){
+ translate([0, oec_y, 0]){
+ difference(){
+ translate(ly_re * [-1,0,-2])
+ cube(ly_re * [2,1,2]);
+ rotate_extrude(convexity=10)
+ LanyardEntryOuterProfile();
+ }
}
}
+ difference(){
+ translate([-ly_re, -(oec_y + 0.01), -2*ly_re])
+ cube([ly_re*2, 2*(oec_y + 0.01), 2*ly_re]);
+ for (mx=[0,1])
+ mirror([mx,0,0])
+ rotate([90,0,0])
+ translate([0,0,-10])
+ linear_extrude(height=20)
+ LanyardEntryOuterProfile();
}
+ }
}
module LanyardCutout(l){
%EdgeProfile();
KeeperProfile();
translate([0,0,-1]) color("black") KeeperProfile(1);
- color("purple") translate(epp2i)
- rotate(atan2vector(epp2i - epp1)) {
- translate(lanyard_half_dia * 0.5 * [-3,-1])
- LanyardLanyardProfile();
- translate(lanyard_half_dia * 0.5 * [-3,+1])
- translate([0,-1] * case_th_side)
- LanyardLanyardProfile(true);
+ translate(ly_o){
+ rotate(-ly_theta){
+ translate([0,0,+1]) color("purple") LanyardMainChannelProfile();
+ translate([0,0,+2]) color("red") LanyardCurveChannelProfile();
+ translate([0, ly_q_z]){
+ translate([0,0,-1]) color("blue") LanyardEntryChannelProfile();
+ translate([ly_oec_y,0,-2]) color("black") LanyardEntryOuterProfile();
+ }
+ }
}
+ translate([0,0,-5]) color("white") translate(epp2i)
+ rotate(-ly_theta)
+ rectfromto([-15, 0],
+ [+15, -max_case_bottom_edge_thickness]);
translate([0,20]) {
LanyardMainChannelProfile();