catch_knob_dia = 6;
catch_knob_above_gap = 8;
+catch_knob_height = 6;
catch_pin_height = 7;
catch_stem_below_gap = 1.0;
bayo_entry = bayo_behind / 3.0;
bayo_top_z = bayo_behind + bayo_gap;
+bayo_nom_rad = main_dia/2 + side_thick;
+bayo_real_rad = main_dia/2 + rivet_tall;
+
rivet_entry_width = rivet_width + side_rivet_gap;
jig_mark_rad = jig_mark + main_dia/2 + jig_thick;
catch_strap_width = sm_main_width;
catch_strap_thick = sm_main_thick;
catch_stem_end_h = catch_stem_h;
-catch_pin_width = rivet_entry_width - catch_pin_gap;
+catch_pin_width = (rivet_entry_width * sm_inner_rad / bayo_nom_rad)
+ - catch_pin_gap;
+
+echo("R ", sm_inner_rad, bayo_real_rad, bayo_nom_rad);
cppy6 = -catch_strap_width/2;
-cppxC = TAU * 0.34 * main_dia/2;
+cppxC = 0.34 * sm_inner_rad * TAU;
cppB = [ catch_pin_width/2,
cppy6
+ catch_stem_below_gap
module BayonetCutout(){
RotateProject(bayo_c[0], bayo_i[0], bayo_slice_size,
- main_dia/2 + side_thick,
- main_dia/2 + rivet_tall)
+ bayo_nom_rad,
+ bayo_real_rad)
translate([-0.5 * (bayo_a[0] + bayo_d[0]), 0])
polygon(bayo_polygon, convexity=10);
}
ImplHeadCup();
}
+module SomeStrap(){
+ // children(0) is to add, (1) subtract
+ difference(){
+ union(){
+ cylinder(r=sm_outer_rad, h=sm_main_width);
+ StrapMountProtrusion(smc_cnr_c_x + sm_closure_cnr,
+ smc_max_y,
+ sm_closure_cnr);
+ children(0);
+ }
+ translate([0,0,-1])
+ cylinder(r=sm_inner_rad, h=sm_main_width+2);
+ translate(smc_pos)
+ StrapMountBolt(10);
+ translate(smc_pos)
+ cube([ sm_bolt_tighten_allow, 40,100 ], center=true);
+ children(1);
+ }
+}
+
module StrapMountBolt(l_delta){ ///toplevel
// positioned relative to smc_pos
translate([(smc_bolt_nut_eff_thick - sm_bolt_head_thick)/2,
}
module StrapMount(){ ////toplevel
- difference(){
- union(){
- cylinder(r=sm_outer_rad, h=sm_main_width);
- StrapMountProtrusion(smc_cnr_c_x + sm_closure_cnr,
- smc_max_y,
+ SomeStrap(){
+ rotate([0,0,180]){
+ StrapMountProtrusion(strap_hoop_inside/2 + strap_hoop_thick,
+ strap_hoop_thick,
sm_closure_cnr);
- rotate([0,0,180]){
- StrapMountProtrusion(strap_hoop_inside/2 + strap_hoop_thick,
- strap_hoop_thick,
- sm_closure_cnr);
- translate(smc_pos +
- [0,0, sm_main_width] +
- strap_hoop_thick * [ 0, 0.5, -1.0 ])
- StrapHoop();
- }
+ translate(smc_pos +
+ [0,0, sm_main_width] +
+ strap_hoop_thick * [ 0, 0.5, -1.0 ])
+ StrapHoop();
}
- translate([0,0,-1])
- cylinder(r=sm_inner_rad, h=sm_main_width+2);
- translate(smc_pos)
- StrapMountBolt(10);
- translate(smc_pos)
- cube([ sm_bolt_tighten_allow, 40,100 ], center=true);
+ union(){ };
}
}
}
}
+module CatchCore(){ /////toplevel
+ linear_extrude(height=catch_strap_thick, convexity=10)
+ CatchCoreProfile();
+
+ translate(concat(cppB,[0])) hull(){
+ translate([0,0, catch_knob_height - catch_knob_dia/2])
+ sphere(r = catch_knob_dia/2);
+ cylinder(r = catch_knob_dia/2, h = 0.1);
+ }
+}
+
module CatchPreDistort(){ /////toplevel
- rotate([90,0,0])
- linear_extrude(height=catch_strap_thick, convexity=10)
+ scale(100 / sm_inner_rad)
+ rotate([90,0,0])
+ CatchCore();
+}
+
+module CatchAssembly(){ /////toplevel
+ rotate([0,0, -0.5 * (cpp1[0] + cpp2[0]) / sm_inner_rad * 360/TAU])
+ translate([0,0, catch_strap_width])
+ scale(sm_inner_rad / 100)
+ import(str("poster-tube-lid,CatchPostDistort-fa",
+ (coarse ? 20 : 3),
+ ".stl"),
+ convexity=20);
+
+ SomeStrap(){
+ union(){ }
+ union(){
+ translate([-200, -200, -200])
+ cube([400, 200, 400]);
+ }
+ }
+}
+
+module CatchDemo(){ /////toplevel
+ color("blue") translate([0,0,
+ -catch_strap_width
+ -cpp0[1]
+ ])
+ CatchAssembly();
+ translate([0,0,+side_height
+ ])
+ Cover();
+}
+
+module CatchDemoS(){ /////toplevel
+ color("blue") translate([0,0,
+ -catch_strap_width
+ -cpp0[1]
+ ])
+ CatchAssembly();
+ intersection(){
+ translate([0,0,+side_height
+ ])
+ Cover();
+ mirror([0,1,0]) translate([-250,33,0]) cube([500,500,500]);
+ }
+ color("black")
+ translate([0,-33,0])
+ cube([6.15, 2,2], center=true);
+}
+
+module CatchPinProfileDemo(){ /////toplevel
+ echo("G ",
+ cpp2[0] - cpp1[0],
+ bayo_n[0] - bayo_e[0]);
+ color("blue") translate([-cpp2[0],
+ -cpp2[1],
+ +1,
+ ])
CatchCoreProfile();
+ polygon(bayo_polygon, convexity=10);
}
//ProfilesDemo();