sm_closure_cnr = 3.0;
-catch_stalk_h = 5.0;
+catch_stalk_h = 4.5;
catch_stalk_len = 50;
+catch_tip_th = 4;
catch_head_th = 3;
catch_pin_slop = 0.25; // each side, and above
catch_stalk_eff_bend_rad = catch_stalk_len * 0.75;
catch_strap_width = 12;
-catch_stalk_base_width = catch_stalk_h;
+catch_stalk_base_width = 15;
catch_knob_dia = 6;
catch_knob_above_gap = 5;
-catch_knob_height = 3.5;
+catch_knob_height = 3.0;
catch_stalk_below_gap = 1.0;
catch_stalk_beside_gap = 2.0;
cppd = [ bayo_n[0]
- catch_pin_slop - catch_pin_slop_x_extra,
-catch_stalk_above_gap ];
+cppi = [ cppa[0], cppd[1] ];
cppc = [ cppd[0], cppb[1] ];
cpph = cppd + [0,-1] * catch_stalk_h;
cppe = cppd + [0,-1] * (catch_knob_above_gap + catch_knob_dia/2);
]);
}
-module CatchHeadProfile(){
+module CatchTipProfile(dy){
+ ddy = [0,dy];
intersection(){
translate(cppF){
difference(){
}
}
polygon([ cppa,
- cppg,
- cpph,
- cppd,
+ cppi + ddy,
+ cppd + ddy,
cppc,
cppb ]);
}
+}
+
+module CatchHeadProfile(){
polygon([ cppd,
- cppg,
+ cppd,
+ cppi,
cppf,
cppe,
cpph ]);
linear_extrude(height=catch_strap_thick, convexity=10)
CatchAssemblyCoreProfile();
+ hull(){
+ linear_extrude(height=catch_head_th, convexity=10)
+ CatchTipProfile(0);
+ linear_extrude(height=catch_tip_th, convexity=10)
+ CatchTipProfile(catch_tip_th - catch_head_th);
+ }
+
linear_extrude(height=catch_head_th, convexity=10)
CatchHeadProfile();