poster-tube-lid.scad

   1 // -*- C -*-
   2
   3 coarse = false;
   4
   5 main_dia = 71.2 + 0.50 - 2.26;
   6 top_thick_middle = 4;
   7 top_thick_by_oring = 3.0;
   8 top_middle_dr = 11;
   9
  10 main_cnr = 6.0;
  11
  12 min_wall = 3;
  13
  14 rivet_posn = 6.0 + 0.30;
  15 rivet_thick = 1.67;
  16 rivet_width = 4.15 + 1.0;
  17 rivet_tall = 5.51 + 1.49;
  18
  19 over_rivet_wall = 1.0;
  20 side_rivet_gap = 1.5;
  21 inside_rivet_gap = 1.5;
  22
  23 bayo_interf = 0.30;
  24 bayo_behind = 3.5;
  25 bayo_interf_width = 2.0;
  26 bayo_interf_slope = 0.5;
  27
  28 oring_thick = 5.0;
  29 oring_bore = 62.0;
  30
  31 oring_upper_embed_angle = 80;
  32 oring_compress = 0.1; // proportion
  33 oring_compress_more = 0.2;
  34
  35 oring_rm_beside = 8;
  36 oring_rm_scale = 2.0;
  37 oring_rm_angle = 20;
  38
  39 side_taper = 1.0;
  40
  41 bayo_gap = 6.0;
  42
  43 bayo_entry = bayo_behind/3;
  44
  45 bayo_slice_size = coarse ? 5 : 1;
  46
  47 brace_hole_width = 1.0;
  48 brace_above_below = 1.2;
  49 brace_end_shorter = 0.3;
  50
  51 jig_thick = 1.4;
  52 jig_hole_dia = 3.0;
  53 jig_rim = 5;
  54 jig_mark = 5;
  55
  56 strap_hoop_thick = 6;
  57 strap_hoop_inside = 10;
  58 strap_hoop_strlen = 10;
  59 strap_hoop_elevation = 45;
  60
  61 sm_inner_circum = 218 - 1.90 - 1.00 - 0.50;
  62 sm_main_thick = 2.0;
  63 sm_main_width = 20;
  64
  65 sm_bolt_dia = 3.5 + 0.1;
  66 sm_bolt_shaft = 21.9;
  67 sm_bolt_head_dia = 6.94 + 1.0;
  68 sm_bolt_head_thick = 2.14;
  69 sm_bolt_nut_width = 5.89 + 0.25;
  70 sm_bolt_nut_thick = 3.68;
  71 sm_bolt_tighten_allow = 2.0;
  72
  73 sm_bolt_y_clear = 0.75;
  74 sm_bolt_y_over = 0.5;
  75
  76 sm_closure_cnr = 3.0;
  77
  78 catch_stem_h = 3;
  79 catch_stem_len = 50;
  80 catch_stem_th = 3;
  81
  82 catch_pin_slop = 0.25; // each side, and above
  83 catch_stalk_above_gap = 1.5;
  84 catch_stalk_eff_bend_rad = catch_stem_len * 0.75;
  85
  86 catch_stalk_base_width = 15;
  87
  88 catch_knob_dia = 6;
  89 catch_knob_above_gap = 8;
  90 catch_knob_height = 6;
  91
  92 catch_stem_below_gap = 1.0;
  93 catch_stem_beside_gap = 2.0;
  94 catch_pin_gap = 0.5;
  95 catch_hook_slope = 0.15;
  96
  97 // calculated
  98
  99 TAU = PI*2;
 100
 101 bayo_entry_x = bayo_entry;
 102 bayo_entry_z = bayo_entry;
 103 bayo_inramp_x = bayo_entry;
 104 bayo_inramp_z = bayo_entry;
 105
 106 oring_mid_dia = oring_bore + oring_thick;
 107 oring_outer_dia = oring_mid_dia + oring_thick;
 108
 109 oring_oblate = (1 - oring_compress);
 110
 111 oring_y_rad = oring_thick/2 * oring_oblate;
 112 oring_x_rad = oring_thick/2 / oring_oblate;
 113
 114 by_oring_z = oring_y_rad * (1 + cos(oring_upper_embed_angle));
 115
 116 side_height = rivet_posn + bayo_behind + rivet_thick/2;
 117 side_thick = rivet_tall + over_rivet_wall;
 118
 119 top_z = top_thick_by_oring + oring_y_rad + by_oring_z;
 120
 121 middle_bot_z = top_z - top_thick_middle;
 122
 123 bayo_entry = bayo_behind / 3.0;
 124 bayo_top_z = bayo_behind + bayo_gap;
 125
 126 bayo_nom_rad = main_dia/2 + side_thick;
 127 bayo_real_rad = main_dia/2 + rivet_tall;
 128
 129 rivet_entry_width = rivet_width + side_rivet_gap;
 130
 131 jig_mark_rad = jig_mark + main_dia/2 + jig_thick;
 132
 133 handling_dia = oring_bore + oring_thick*2 + min_wall*2;
 134 handling_angle = 45;
 135
 136 sm_inner_rad = (sm_inner_circum + sm_bolt_tighten_allow/2) / TAU;
 137 sm_outer_rad = sm_inner_rad + sm_main_thick;
 138
 139 smc_pos = [ 0, sm_inner_rad, 0 ];
 140
 141 smc_bolt_nut_dia = sm_bolt_nut_width / cos(30);
 142 smc_bolt_nut_eff_thick = sm_bolt_nut_thick + sm_bolt_tighten_allow;
 143
 144 smc_bolt_y = sm_bolt_dia/2 + sm_bolt_y_clear;
 145 smc_max_y = smc_bolt_y + sm_bolt_y_over
 146   + max(sm_bolt_head_dia/2, smc_bolt_nut_dia/2);
 147 smc_cnr_c_x = sm_bolt_shaft/2 - sm_closure_cnr
 148   + sm_bolt_head_thick/2 + smc_bolt_nut_eff_thick/2;
 149
 150 catch_cr = catch_knob_dia/2 + catch_stem_beside_gap;
 151 catch_strap_width = sm_main_width;
 152 catch_strap_thick = sm_main_thick;
 153 catch_stem_end_h = catch_stem_h;
 154 catch_pin_width = (rivet_entry_width * sm_inner_rad / bayo_nom_rad)
 155                    - catch_pin_gap;
 156
 157 echo("R ", sm_inner_rad, bayo_real_rad, bayo_nom_rad);
 158
 159 $fs= coarse ? 2.5 : 0.5;
 160 $fa= coarse ? 5 : 1;
 161
 162 include <poster-tube-lid-parametric.scad>
 163
 164 // bayonet definition
 165
 166 bayo_a = [ bayo_entry_x, 0 ];
 167 bayo_p = [ 0, bayo_entry_z ];
 168 bayo_n = [ 0, bayo_behind-bayo_inramp_z ];
 169 bayo_m = [ bayo_inramp_x, bayo_behind ];
 170 bayo_l = bayo_m + bayo_interf * [ 1/bayo_interf_slope,  1 ];
 171 bayo_k = bayo_l + [ bayo_interf_width, 0 ];
 172 bayo_j = bayo_k + bayo_interf * [ 1/bayo_interf_slope, -1 ];
 173 bayo_i = bayo_j + [ rivet_width + inside_rivet_gap, 0 ];
 174 bayo_h = [ bayo_i[0], bayo_behind + bayo_gap + bayo_interf ];
 175 bayo_g = [ bayo_m[0] - rivet_width, bayo_h[1] ];
 176
 177 bayo_e = [-bayo_p[0], bayo_p[1]] - [rivet_entry_width,0];
 178 bayo_d = [-bayo_a[0], bayo_a[1]] - [rivet_entry_width,0];
 179 bayo_c = bayo_d + [0,-5];
 180 bayo_b = bayo_a + [0,-5];
 181
 182 bayo_f = [ bayo_e[0], bayo_g[1] + (bayo_e[0] - bayo_g[0]) ];
 183
 184 bayo_polygon = [ bayo_a,
 185                  bayo_b,
 186                  bayo_c,
 187                  bayo_d,
 188                  bayo_e,
 189                  bayo_f,
 190                  bayo_g,
 191                  bayo_h,
 192                  bayo_i,
 193                  bayo_j,
 194                  bayo_k,
 195                  bayo_l,
 196                  bayo_m,
 197                  bayo_n,
 198                  bayo_p ];
 199
 200 echo(bayo_polygon);
 201
 202 // CATCH
 203
 204 //cppy6 = -catch_strap_width * 2/3;
 205
 206 cppxC = 0.34 * sm_inner_rad * TAU;
 207
 208 // catch pin
 209
 210 cppa = bayo_f + [1,-1] * catch_pin_slop;
 211 cppb = bayo_g + [1,-1] * catch_pin_slop;
 212 cppd = [ bayo_n[0] - catch_pin_slop, -catch_stalk_above_gap ];
 213 cppc = [ cppd[0], cppb[1] ];
 214 cpph = cppd + [0,-1] * catch_stem_h;
 215 cppe = cppd + [0,-1] * (catch_knob_above_gap + catch_knob_dia/2);
 216 cppf = [ cppa[0], cppe[1] ];
 217 cppg = [ cppa[0], cpph[1] ];
 218 cppB = 0.5 * (cppf + cppe);
 219
 220 // catch assembly depression below pin
 221
 222 cppy6 = cppB[1] - (catch_knob_dia/2
 223                    + (cppc[1] - cppd[1])
 224                    + catch_stem_below_gap);
 225 cpp7 = [ cppB[0], cppy6 + catch_cr ];
 226 cpp11 = cpp7 + [1,0] * catch_cr;
 227 cppy9 = cppy6 + catch_strap_width * 1/3;
 228 cpp9 = [ cpp7[0] + catch_cr * 2, cppy9 ];
 229 cpp8 = cpp9 + [0,-1] * catch_cr;
 230 cpp10 = cpp8 + [-1,0] * catch_cr;
 231 cppC = [ cppxC, cpp9[1] ];
 232 cppD = cppC + [0,-1] * catch_strap_width;
 233
 234 // catch assembly stalk and so on
 235
 236 cppF = [ cppg[0] - catch_stem_stalk_eff_bend_rad, cppd[1] ];
 237 cpp4 = [ cppg[0] - catch_stem_lenm, cppd[1] ] + [1,-1] * catch_cr;
 238 cpp5 = [ cpp4[0], cppC[1] + catch_cr ];
 239 cpp2 = cpp5 + [-1,0] * (catch_cr * 2 + catch_stalk_base_width);
 240 cpp3 = [ cpp2[0] + catch_cr * 2, cppd[1] - catch_cr ];
 241 cppA = [ -cppxC, cpp9[1] ];
 242 cppE = [ cppA[0], cppD[1] ];
 243
 244
 245 module MainProfile(){
 246   main_cnr_pos = [ side_thick, top_z ] - [1,1]*main_cnr;
 247   difference(){
 248     union(){
 249       translate(main_cnr_pos){
 250         intersection(){
 251           difference(){
 252             circle(r = main_cnr);
 253             circle(r = main_cnr * 0.5);
 254           }
 255           square([10,10]);
 256         }
 257       }
 258       polygon([[ -top_middle_dr,        middle_bot_z      ],
 259                [ -top_middle_dr,        top_z             ],
 260                [ main_cnr_pos[0],       top_z             ],
 261                [ side_thick,            main_cnr_pos[1]   ],
 262                [ side_thick,            -side_height      ],
 263                [ side_taper,            -side_height      ],
 264                [ 0,                     -rivet_posn       ],
 265                [ 0,                     by_oring_z        ],
 266                [ -oring_x_rad,          by_oring_z        ],
 267                ],
 268               convexity=10);
 269     }
 270     translate([ oring_mid_dia/2 - main_dia/2, 0 ])
 271       hull(){
 272       translate([ 0, oring_y_rad ])
 273         scale([ 1/oring_oblate * (oring_compress_more+1) , oring_oblate ])
 274         circle(oring_thick/2);
 275       translate([ 0, oring_y_rad*2 - oring_thick/2 ])
 276         circle(oring_thick/2);
 277     }
 278   }
 279 }
 280
 281 module StrapHoopProfile(){
 282   circle(r = strap_hoop_thick/2);
 283 }
 284
 285 module StrapHoop(){ ////toplevel
 286   bigrad = strap_hoop_inside/2 + strap_hoop_thick/2;
 287   extralen = strap_hoop_thick * 5;
 288
 289   intersection(){
 290     rotate([strap_hoop_elevation, 0,0]){
 291       for (x= [ -1, +1 ] * bigrad) {
 292         translate([x, -extralen, 0])
 293           rotate([-90,0,0])
 294           linear_extrude(height= extralen + strap_hoop_strlen + 0.1,
 295                          convexity=10)
 296           StrapHoopProfile();
 297       }
 298       translate([0, strap_hoop_strlen, 0]){
 299         intersection(){
 300           rotate_extrude(convexity=10)
 301             translate([bigrad, 0,0])
 302             StrapHoopProfile();
 303           translate([0,50,0])
 304             cube([100,100,100], center=true);
 305         }
 306       }
 307     }
 308     translate([0, 50, 0])
 309       cube(100, center=true);
 310   }
 311 }
 312
 313 module RotateProjectSlice(offset, slice_size, nom_rad, real_rad){
 314   // nom_rad > real_rad
 315   rotate([0,0, atan2(offset, nom_rad) ]){
 316     intersection(){
 317       translate([-offset, -10, 0])
 318         rotate([90,0,0])
 319         linear_extrude(height= nom_rad*2)
 320         children(0);
 321       translate([0,0, -25])
 322         cylinder(h=50, r= real_rad);
 323       translate([0,0, -25])
 324         linear_extrude(height= 50)
 325         polygon([ [ 0,0 ],
 326                   [ -slice_size, -real_rad*2 ],
 327                   [ +slice_size, -real_rad*2 ] ]);
 328     }
 329   }
 330 }
 331
 332 module RotateProject(x_min, x_max, slice_size, nom_rad, real_rad){
 333   offs = [ for (i=[ x_min :
 334                     slice_size :
 335                     x_max + slice_size ]) i ];
 336   echo (offs);
 337   for (off=offs)
 338     RotateProjectSlice(off, slice_size, nom_rad, real_rad)
 339     children(0);
 340 }
 341
 342 module BayonetCutout(){
 343   RotateProject(bayo_c[0], bayo_i[0], bayo_slice_size,
 344                 bayo_nom_rad,
 345                 bayo_real_rad)
 346     translate([-0.5 * (bayo_a[0] + bayo_d[0]), 0])
 347     polygon(bayo_polygon, convexity=10);
 348 }
 349
 350 module ProfilesDemo(){ ////toplevel
 351   translate([-10,0]) MainProfile();
 352   translate([+10, -side_height]) polygon(bayo_polygon, convexity=10);
 353 }
 354
 355 module LimitForHandling(){ ////toplevel
 356   hull() for (r=[0,180])
 357     rotate([0,0,r]) {
 358       for (rs=[-1,+1]) {
 359         for (xd=[0,1]) {
 360           rotate([0,0, rs * handling_angle/2]) {
 361             translate([rs * xd * main_dia/2 * tan(handling_angle/2),
 362                        main_dia/2 + side_thick - main_cnr,
 363                        top_z - main_cnr]) {
 364               mirror([0,0,1])
 365                 cylinder(r= main_cnr, h=50);
 366               sphere(main_cnr);
 367             }
 368           }
 369         }
 370       }
 371     }
 372   hull() rotate_extrude(){
 373     translate([ handling_dia/2 - main_cnr, top_z - main_cnr ]) {
 374       circle(r = main_cnr);
 375       mirror([0,1]) square([ main_cnr, 50 ]);
 376     }
 377   }
 378   //cylinder(r= handling_dia/2, h=20);
 379 }
 380
 381 module Cover(){ ////toplevel
 382   render() difference(){
 383     intersection(){
 384       union(){
 385         rotate_extrude(convexity=10)
 386           translate([main_dia/2, 0])
 387           MainProfile();
 388         translate([0,0, middle_bot_z])
 389           cylinder(h= top_thick_middle, r = main_dia/2 - top_middle_dr + 1);
 390       }
 391       LimitForHandling();
 392     }
 393     for (r=[0,180]){
 394       rotate([0,0, r])
 395         translate([0,0, -side_height])
 396         BayonetCutout();
 397       rotate([0,0, r + asin((-oring_rm_beside) / (main_dia/2))])
 398         translate([0,
 399                    oring_mid_dia/2 + oring_thick/4 * oring_rm_scale,
 400                    oring_y_rad * 1.5])
 401         rotate([-oring_rm_angle, 0, 0])
 402         mirror([0,0,1])
 403         cylinder(r = oring_thick/4 * oring_rm_scale, h=20);
 404     }
 405     for (r=[0 : 60 : 179]) {
 406       rotate([0,0, r]) {
 407         height = top_thick_middle - brace_above_below*2;
 408         translate([0,0, middle_bot_z + brace_above_below + height/2 ])
 409         cube(center=true, [ oring_bore - brace_end_shorter,
 410                             brace_hole_width, height ]);
 411       }
 412     }
 413   }
 414   for (r=[0,180])
 415     rotate([0,0,r])
 416       translate([-implheadcup_large_dia * .5 - implheadcup_thick/2,
 417                  -implheadcup_large_dia * .0,
 418                  middle_bot_z + 0.1])
 419       ImplHeadCup();
 420 //  translate(strap_hoop_thick * [-0.5, 0, +1])
 421 //    translate([handling_dia/2, 0, -side_height])
 422 //    rotate([0,180,0]) rotate([0,0,90])
 423 //    StrapHoop();
 424 }
 425
 426 module SavingHole(){
 427   translate([0,0, -10])
 428     cylinder(r= main_dia/2 - jig_rim, h=20);
 429 }
 430
 431 module Jig(){ ////toplevel
 432   difference(){
 433     union(){
 434       translate([0,0, -side_height]){
 435         cylinder(r= main_dia/2 + jig_thick, h= side_height + jig_thick);
 436       }
 437       translate([-jig_mark_rad, 0, jig_thick - jig_mark])
 438         cube([jig_mark_rad*2, jig_mark, jig_mark]);
 439     }
 440     translate([0,0, -side_height-1])
 441       cylinder(r= main_dia/2, h= side_height + 1);
 442     SavingHole();
 443     translate([0,0, -rivet_posn])
 444       rotate([90, 0,0])
 445       translate([0,0, -100])
 446       cylinder(r= jig_hole_dia/2, h = 200);
 447   }
 448 }
 449
 450 module CoverTest2(){ ////toplevel
 451   difference(){
 452     Cover();
 453     SavingHole();
 454   }
 455 }
 456
 457 module CoverTest1(){ ////toplevel
 458   difference(){
 459     CoverTest2();
 460     difference(){
 461       for (r= [ 40, 147 ]){
 462         rotate([0,0, r]){
 463           translate([0,0, -10]) {
 464             cube([ main_dia*3, main_dia * .53, 18], center=true);
 465           }
 466         }
 467       }
 468 //      translate([ 50, 0, 0 ])
 469 //      cube([ 100,
 470 //             strap_hoop_inside + strap_hoop_thick*2 + 1,
 471 //             100 ],
 472 //           center=true);
 473     }
 474   }
 475 }
 476
 477 module ImplHeadCupTest(){ ////toplevel
 478   for (r=[0,180])
 479     rotate([0,0,r])
 480       translate([-17,0,0])
 481       ImplHeadCup();
 482 }
 483
 484 module SomeStrap(){
 485   // children(0) is to add, (1) subtract
 486   difference(){
 487     union(){
 488       cylinder(r=sm_outer_rad, h=sm_main_width);
 489       StrapMountProtrusion(smc_cnr_c_x + sm_closure_cnr,
 490                            smc_max_y,
 491                            sm_closure_cnr);
 492       children(0);
 493     }
 494     translate([0,0,-1])
 495       cylinder(r=sm_inner_rad, h=sm_main_width+2);
 496     translate(smc_pos)
 497       StrapMountBolt(10);
 498     translate(smc_pos)
 499       cube([ sm_bolt_tighten_allow, 40,100 ], center=true);
 500     children(1);
 501   }
 502 }
 503
 504 module StrapMountBolt(l_delta){ ///toplevel
 505   // positioned relative to smc_pos
 506   translate([(smc_bolt_nut_eff_thick - sm_bolt_head_thick)/2,
 507              smc_bolt_y,
 508              sm_main_width/2]){
 509     translate([ -sm_bolt_shaft/2-1, 0,0 ]){
 510       rotate([0,90,0]) cylinder(r= sm_bolt_dia/2, h= sm_bolt_shaft+2);
 511     }
 512     translate([ -sm_bolt_shaft/2, 0,0 ])
 513       rotate([0,-90,0])
 514       cylinder($fn=6, r=smc_bolt_nut_dia/2,
 515                h=smc_bolt_nut_eff_thick + l_delta);
 516     translate([ sm_bolt_shaft/2, 0,0 ])
 517       rotate([0,90,0])
 518       cylinder(r=sm_bolt_head_dia/2, h=sm_bolt_head_thick + l_delta);
 519   }
 520 }
 521
 522 module StrapMountProtrusion(half_x, max_y, cnr){
 523   translate(smc_pos){
 524     linear_extrude(height=sm_main_width, convexity=10){
 525       hull(){
 526         for (m = [0,1]) mirror([m,0,0]) {
 527           translate([-(half_x - cnr), max_y - cnr])
 528             circle(r=cnr);
 529           translate([-half_x, -sm_inner_rad])
 530             square([1,1]);
 531         }
 532       }
 533     }
 534   }
 535 }
 536
 537 module StrapMount(){ ////toplevel
 538   SomeStrap(){
 539     rotate([0,0,180]){
 540       StrapMountProtrusion(strap_hoop_inside/2 + strap_hoop_thick,
 541                            strap_hoop_thick,
 542                            sm_closure_cnr);
 543       translate(smc_pos +
 544                 [0,0, sm_main_width] +
 545                 strap_hoop_thick * [ 0, 0.5, -1.0 ])
 546         StrapHoop();
 547     }
 548     union(){ };
 549   }
 550 }
 551
 552 module CatchCoreProfile(){ ////toplevel
 553   hull(){
 554     translate(cppB) circle(r= catch_knob_dia/2);
 555     polygon([cpp4,
 556              cppB,
 557              cpp3]);
 558   }
 559   translate(cpp8)
 560     circle(catch_cr);
 561   polygon([
 562            cpp4,
 563            cppB,
 564            cpp3,
 565            cpp2,
 566            cpp1,
 567            cpp12,
 568            ]);
 569   difference(){
 570     polygon([ cpp4,
 571               cpp3,
 572               cpp12,
 573               cppA,
 574               cppE,
 575               cppD,
 576               cppC,
 577               cpp9,
 578               cpp10,
 579               cpp11,
 580               cpp7,
 581               cpp5,
 582               ], convexity=10);
 583     hull(){
 584       translate(cpp7) circle(r= catch_cr);
 585       polygon([ cpp7,
 586                 cpp5,
 587                 cpp11 ]);
 588     }
 589     hull(){
 590       translate(cpp6) circle(catch_cr);
 591       polygon([ cppA,
 592                 cpp0,
 593                 cpp1 ]);
 594     }
 595   }
 596 }
 597
 598 module CatchCore(){ /////toplevel
 599   linear_extrude(height=catch_strap_thick, convexity=10)
 600     CatchCoreProfile();
 601
 602   translate(concat(cppB,[0])) hull(){
 603     translate([0,0, catch_knob_height - catch_knob_dia/2])
 604       sphere(r = catch_knob_dia/2);
 605     cylinder(r = catch_knob_dia/2, h = 0.1);
 606   }
 607 }
 608
 609 module CatchPreDistort(){ /////toplevel
 610   scale(100 / sm_inner_rad)
 611     rotate([90,0,0])
 612     CatchCore();
 613 }
 614
 615 module CatchAssembly(){ /////toplevel
 616   rotate([0,0, -0.5 * (cpp1[0] + cpp2[0]) / sm_inner_rad * 360/TAU])
 617     translate([0,0, catch_strap_width])
 618     scale(sm_inner_rad / 100)
 619     import(str("poster-tube-lid,CatchPostDistort-fa",
 620                (coarse ? 20 : 3),
 621                ".stl"),
 622            convexity=20);
 623
 624   SomeStrap(){
 625     union(){ }
 626     union(){
 627       translate([-200, -200, -200])
 628         cube([400, 200, 400]);
 629     }
 630   }
 631 }
 632
 633 module CatchDemo(){ /////toplevel
 634   color("blue") translate([0,0,
 635              -catch_strap_width
 636              -cpp0[1]
 637              ])
 638     CatchAssembly();
 639   translate([0,0,+side_height
 640              ])
 641     Cover();
 642 }
 643
 644 module CatchDemoS(){ /////toplevel
 645   color("blue") translate([0,0,
 646              -catch_strap_width
 647              -cpp0[1]
 648              ])
 649     CatchAssembly();
 650   intersection(){
 651     translate([0,0,+side_height
 652                ])
 653       Cover();
 654     mirror([0,1,0]) translate([-250,33,0]) cube([500,500,500]);
 655   }
 656   color("black")
 657     translate([0,-33,0])
 658     cube([6.15, 2,2], center=true);
 659 }
 660
 661 module CatchPinProfileDemo(){ /////toplevel
 662   echo("G ",
 663        cpp2[0] - cpp1[0],
 664        bayo_n[0] - bayo_e[0]);
 665   color("blue") translate([-cpp2[0],
 666                            -cpp2[1],
 667                            +1,
 668              ])
 669     CatchCoreProfile();
 670   polygon(bayo_polygon, convexity=10);
 671 }
 672
 673 //ProfilesDemo();
 674 //BayonetCutout();
 675 //MainProfile();
 676 //Cover();
 677 //Jig();
 678 //CoverTest();