4 include <commitid.scad>
24 interlock_fine = 0.66;
26 interlock_fine_slope = 1.0;
27 interlock_fine_lenslop = 1.0;
33 machine_rear_to_front = 84 + 0.25 - 1.4;
35 cutout_l_end_y_front_slop = 0.5;
36 cutout_l_end_y_rear_slop = 0.5;
37 cutout_l_end_x_slop = 0.25;
40 cutout_l_end_y = machine_rear_to_front;
41 cutout_l_end_curve = 1;
42 cutout_l_end_y_total = cutout_l_end_y
43 + cutout_l_end_y_front_slop + cutout_l_end_y_rear_slop;
45 tile02_tr = [-250, 0];
48 cutout_tile01_y = 170 - 147 + cutout_l_end_y_front_slop;
49 cutout_tile11_x = cutout_l_end_x + cutout_l_end_curve;
50 cutout_tile11_y = cutout_l_end_y_total - cutout_tile01_y;
52 // front and rear curves
56 rearcurve_strt_len = 52;
58 rearcurve_z_slop = -0.50;
60 rearcurve_avoid_y = 35;
62 rearcurve_double_inrad = 26.10 + 8.04;
68 frontcurve_side_skew = 3.5 / 72;
69 frontcurve_avoid_y = 70;
70 frontcurve_z_slop = 0.75;
72 frontcurve_strt_len = 50;
73 frontcurve_dualcurve_angle = 30;
75 teststrapslots_at = [ [ 110, 70 ], [ 110, -35 ],
77 [ 190, -80 ], // do not change index of this one
78 [ 0, 70 ], [ 0, -35 ],
82 teststrap_peg = [7.5, 3.5];
88 ply_edge_hole_dist = ply_edge_min + ply_hole_dia/2;
90 echo(str("HOLES IN PLY ctr dist from PLY edge = ", ply_edge_hole_dist));
92 hole_slop = (ply_hole_dia - post_dia)/2;
93 tile_hard_edge_hole_dist = ply_edge_hole_dist + hole_slop;
95 echo(str("HOLES IN PLY ctr dist from TILE HARD edge = ",
96 tile_hard_edge_hole_dist));
98 echo(str("HOLES IN PLY ctr dist from TILE ROUND edge = ",
99 tile_hard_edge_hole_dist + round_edge_rad));
101 thehd = [ tile_hard_edge_hole_dist, tile_hard_edge_hole_dist ];
103 thehd_tl = [ -thehd_tr[0], thehd_tr[1] ];
104 thehd_bl = -thehd_tr;
105 thehd_br = -thehd_tl;
107 tablet_z_slop = 0.25;
109 interlock_rad = interlock_dia/2;
110 interlock_negative_rad = interlock_rad + 0.125;
112 interlock_sq_adj = 0.2; // arbitrary
114 m4_define(`POST_TCROSSSZ',
115 `2*( tile_hard_edge_hole_dist - test_edge + 1 )')
120 cylinder(r= post_dia/2, h= tile_th + ply_th - post_shorter);
121 translate([0,0, tile_th]) {
122 cylinder(r= screw_big_dia/2, h= screw_big_len);
123 cylinder(r= screw_dia/2, h= ply_th, $fn=20);
127 translate([0,0, tile_th/2]) {
128 cube([post_dia, POST_TCROSSSZ, tile_th], center=true);
129 cube([POST_TCROSSSZ, post_dia, tile_th], center=true);
135 module Posts(posts) {
137 translate(concat(p, [0]))
142 module TileBase(botleft, topright){
143 size = topright - botleft;
144 botleft_post = botleft + thehd_tr;
145 topright_post = topright + thehd_bl;
148 translate(concat(botleft, [0]))
149 cube(concat(size, [tile_th]));
151 cidsz = topright_post-botleft_post
152 + [-post_dia,-post_dia]
154 cidszr = [ min(cidsz[0],50), min(cidsz[1],50) ];
155 echo("CID",cidsz,cidszr);
156 translate( concat(botleft_post, [ -tile_th ])
157 + 0.5 * [ post_dia, post_dia, 0 ]
158 + 0.5 * concat( cidsz - cidszr, [ 0 ]) )
159 Commitid_BestCount_M(cidszr);
162 crossoff = tile_hard_edge_hole_dist + POST_TCROSSSZ/2;
163 cidsz = [ thehd[0], size[1] - 2*crossoff ];
164 cidszr = [ cidsz[0], min(cidsz[1], 50) ];
165 translate( concat(botleft + [0, crossoff] + (cidsz-cidszr)/2, [0]) )
166 Commitid_BestCount(cidszr);
169 translate(concat(botleft + [test_edge,test_edge], [test_tile_th]))
170 cube(concat(size - [test_edge,test_edge]*2, [tile_th]));
171 translate(concat(botleft_post, [-1]))
172 cube(concat(topright_post-botleft_post, [tile_th+2]));
174 shufflesz = max(test_edge, tile_hard_edge_hole_dist)*2;
177 cube(shufflesz, center=true);
185 m4_dnl c is from Rectangle_corners and
186 m4_dnl ix is a corner number
187 m4_dnl expands to two comma-separated corners:
188 m4_dnl that denoted by ix, and the next one anticlockwise
189 m4_define(`R_EDGE',`$1[$2], $1[(($2)+1)%4]')
192 m4_dnl c is from Rectangle_corners and
193 m4_dnl ix is a corner number
194 m4_dnl expands to an array of corners as for RoundCorner
195 m4_define(`R_CNR',`[ $1[$2], $1[(($2)+1)%4], $1[(($2)+3)%4] ]')
197 m4_dnl INREFFRAME(left_cnr, right_cnr, morevars) { body; }
198 m4_define(`INREFFRAME',`
199 length_vec = ($2) - ($1);
200 length = dist2d([0,0], length_vec);
201 length_uvec = length_vec / length;
202 ortho_uvec = [ -length_uvec[1], length_uvec[0] ];
203 m = [ [ length_uvec[0], ortho_uvec[0], 0, ($1)[0], ],
204 [ length_uvec[1], ortho_uvec[1], 0, ($1)[1], ],
211 m4_dnl INREFFRAME(left_cnr, right_cnr, morevars)
212 m4_dnl INREFFRAME_EDGE { body; }
213 m4_define(`INREFFRAME_EDGE',`
214 translate([0,0, -round_edge_rad])
217 module RoundEdge(left_cnr, right_cnr) {
218 INREFFRAME(left_cnr, right_cnr)
222 cylinder(r= round_edge_rad, h= length, $fn=50);
223 translate([-1, 0, -20])
224 cube([length+2, 20, 20]);
229 m4_define(`ROUNDCORNER_VARS',`
233 bigr= round_cnr_rad - round_edge_rad;
234 l_uvec = unitvector2d(left_cnr - this_cnr);
235 r_uvec = unitvector2d(right_cnr - this_cnr);
236 lp1 = left_cnr + clockwise2d(l_uvec) * bigr;
237 lp2 = this_cnr + clockwise2d(l_uvec) * bigr;
238 lp3 = this_cnr - clockwise2d(r_uvec) * bigr;
239 lp4 = right_cnr - clockwise2d(r_uvec) * bigr;
240 ctr = line_intersection_2d(lp1,lp2,lp3,lp4);
241 ctr3 = concat(ctr,[0])
244 module RoundCorner_selector(ci, adj) {
248 INREFFRAME(ctr3,concat(lp1,[4])){
249 translate([0,0,-bigr]) linear_extrude(height=bigr*2) {
250 translate([-bigr*2 + adj, -bigr])
251 square([bigr*2, bigr*3]);
256 INREFFRAME(ctr3,concat(lp4,[0])){
257 translate([0,0,-bigr]) linear_extrude(height=bigr*2) {
258 translate([-bigr*2, -bigr*2])
259 square([bigr*2 + adj, bigr*3]);
266 module RoundCornerCut(ci) {
267 // ci should be [this_cnr, right_cnr, left_cnr]
268 // where right_cnr is to the right (ie, anticlockwise)
271 RoundCorner_selector(ci, -0.1);
273 cylinder(center=true, h=20, r= bigr);
277 module RoundCornerAdd(ci) {
280 RoundCorner_selector(ci, +0.1);
283 rotate_extrude(convexity=10, $fn=50)
286 circle(r= round_edge_rad, $fn=50);
295 module InterlockLobePlan(negative) {
296 r = negative ? interlock_negative_rad : interlock_rad;
297 ymir = negative ? 0 : 1;
301 translate([thehd[0], 0]){
305 translate([-dx, -0.1])
306 square([ dx*2, r/2 + 0.1 ]);
308 translate([ xi*dx, r ])
316 module InterlockEdgePlan(negative, nlobes, length, dosquare=true) {
317 for (lobei = [ 0 : nlobes-1 ]) {
318 lobex = (length - thehd[0]*2) * (lobei ? lobei / (nlobes-1) : 0);
319 translate([lobex, 0, 0]) {
320 InterlockLobePlan(negative);
326 slotshorter = negative ? -0.1 : interlock_fine_lenslop;
327 mirror([0, negative])
328 translate([slotshorter, iadj])
329 square([length - slotshorter*2, interlock_fine + iadj*2]);
333 module InterlockEdge(left_cnr, right_cnr, negative=0, nlobes=2) {
334 plusth = negative * 1.0;
335 protr = interlock_fine + interlock_sq_adj;
338 z1 = -tile_th/2 - protr / interlock_fine_slope;
339 z3 = -tile_th/2 + protr / interlock_fine_slope;
341 negsign = negative ? -1 : +1;
342 yprotr = negsign * protr;
344 INREFFRAME(left_cnr, right_cnr) {
345 for (vsect = [ // zs0 zs1 ys0, ys1
346 [ -tile_th-plusth, plusth, 0, 0],
347 [ z1, z2, 0, yprotr],
348 [ z2, z3, yprotr, 0],
358 [ 0,1, -sl, -ys0 + negsign*interlock_sq_adj ],
362 linear_extrude(height=zsd, convexity=10)
363 InterlockEdgePlan(negative, nlobes, length, !!ysd);
368 function TestPiece_holes2corners(holes) =
369 [ holes[0] + thehd_bl,
372 holes[0] + thehd_tl ];
374 module TestPiece1(){ ////toplevel
378 corners = TestPiece_holes2corners(holes);
379 rcs = R_CNR(corners,0);
382 TileBase(corners[0], corners[2]);
384 RoundEdge(corners[0], corners[1]);
385 RoundEdge(corners[3], corners[0]);
387 InterlockEdge(corners[1], corners[2], 1, nlobes=1);
393 module TestPiece2(){ ////toplevel
397 corners = TestPiece_holes2corners(holes);
398 TileBase(corners[0], corners[2]);
400 RoundEdge(corners[0], corners[1]);
401 InterlockEdge(corners[3], corners[0], 0, nlobes=1);
404 module TestDemo(){ ////toplevel
405 translate([ -thehd[0], 0 ])
408 translate([ +thehd[0] + demo_slop, 0 ])
412 module Machine_Arm(){
413 ysz = cutout_l_end_y_total;
414 // assume the round end is arc of a circle
415 chordlen = dist2d([0,0], [ cutout_l_end_y, cutout_l_end_curve ]);
416 endrad = cutout_l_end_y / cutout_l_end_curve * chordlen;
418 translate([0,0,-30]) linear_extrude(height=60) {
419 translate(tile01_tr + [0, (-cutout_tile01_y + cutout_tile11_y)/2]) {
421 translate([-50, -ysz/2])
423 translate([ endrad - cutout_tile11_x - cutout_l_end_x_slop, 0 ])
424 circle(r=endrad, $fa=0.01,$fd=5);
430 module Machine_NewRearProfile(){
431 // figures copied out of xfig edit boxes
432 // best not to edit the posbox size if poss - just move it
433 posbox = 10 * ([7.2333,-14.1267] - [-16.2289,40.0289]); // box, Green
434 sideline = -10 * ([-6.2400,13.5600] - [-2.4467,28.2556]); // line, Blue
435 scaleline = 10 * dist2d([-1.1911,-20.4800], [-11.2600,4.0578]); // Green2
436 scaleline_mm = 12+5+10+5+3;
437 sh = -[abs(posbox[0]), abs(posbox[1])];
438 rot = atan2(-sideline[0], sideline[1]);
439 sc = scaleline_mm / scaleline;
440 //echo("SH",sh,rot,sc);
441 scale(sc) rotate(rot) translate(sh){
442 import("sewing-table-rear-profile.dxf", convexity=10); // spline, Pink3
446 module Machine_NewFrontProfile(){
447 // figures copied out of xfig edit boxes
448 // best not to edit the posbox size if poss - just move it
449 posbox = 10 * ([11.8022,8.0600] - [4.2044,19.1867]); // box, Green
450 refline = 10 * ([7.6778,16.7222] - [27.8689,17.6578]); // line, Blue
451 refline_mm = (11-1)*10;
452 sh = -[abs(posbox[0]), abs(posbox[1])];
453 rot = atan2(-refline[0], refline[1]);
454 sc = refline_mm / vectorlen2d(refline);
455 //echo("SH",sh,rot,sc);
456 mirror([1,0]) scale(sc) rotate(rot+90) translate(sh){
457 import("sewing-table-front-profile.dxf", convexity=10); // spline, Pink3
461 module Machine_NewEndProfile(){
462 // figures copied out of xfig edit boxes
463 // best not to edit the posbox size if poss - just move it
464 posboxs = 10 * [[4.0400,17.7956], [11.6622,32.5511]]; // box, Pink3
465 refline = 10 * ([8.4000,22.6000] - [50.3000,22.2000]); // line, Blue
466 refline_mm = 10 * (11 - 2.5);
467 sidelines = 10 * [[[9.0889,20.6178], [8.9644,14.6889]],
468 [[50.3800,21.9578], [50.1933,14.4933]]]; // lines, Blue3
469 baseline = 10 * [[8.4000,18.0822], [50.3000,17.6822]]; // line, Green2
471 posbox = [min(posboxs[0][0],posboxs[1][0]),
472 max(posboxs[0][1],posboxs[1][1])];
474 m4_define(`MNEP_ELP',
475 `line_intersection_2d(baseline[0],baseline[1],
476 sidelines[$1][0],sidelines[$1][1])')
477 endline = [MNEP_ELP(0),MNEP_ELP(1)];
478 echo("PBS",posboxs,"PB",posbox,"SL00",sidelines[0][0]);
480 //%translate(posbox) square(10);
482 rot = atan2(-refline[1], -refline[0]);
483 sc = refline_mm / vectorlen2d(refline);
484 sh = (0.5 * (endline[0] + endline[1])) - posbox;
485 // scaleline = 10 * dist2d([-1.1911,-20.4800], [-11.2600,4.0578]); // Green2
486 // scaleline_mm = 12+5+10+5+3;
487 // sh = -[abs(posbox[0]), abs(posbox[1])];
488 // rot = atan2(-sideline[0], sideline[1]);
489 // sc = scaleline_mm / scaleline;
490 //echo("SH",sh,rot,sc);
491 scale(sc) rotate(rot) translate(-[sh[0],-sh[1]]){
494 //%translate(1 * (posboxs[0] - posbox)) square(50);
495 //%translate(1 * (posboxs[1] - posbox)) square(50);
496 // %translate(1 * (baseline[0] - posbox)) square([50,10]);
498 // %translate(1 * (endline[0] - posbox)) square([50,10]);
499 // %translate(1 * (endline[1] - posbox)) square([50,10]);
501 // %translate(1 * (sidelines[0][0] - posbox)) square([10,50]);
502 // %translate(1 * (sidelines[0][1] - posbox)) square([10,50]);
503 // %translate(1 * (sidelines[1][0] - posbox)) square([10,50]);
504 // %translate(1 * (sidelines[1][1] - posbox)) square([10,50]);
507 import("sewing-table-end-profile.dxf", convexity=10); // spline, Pink3
511 module Machine_NewEndProfileDemo(){ ////toplevel
512 translate([0,5,0]) Machine_NewEndProfile();
513 translate([0,5,1]) color("blue") mirror([1,0]) Machine_NewEndProfile();
515 translate([0,5, 0]) Machine_NewEndProfile();
516 translate([0,5,-1]) color("blue") mirror([1,0]) Machine_NewEndProfile();
520 module Machine_NewRearCurve(){
521 slant = atan2(4,210-10);
523 translate([0,0, rearcurve_double_inrad]) rotate([slant,0,0]){
524 translate([ rearcurve_double_inrad,
526 -rearcurve_double_inrad + 10 ]){
527 rotate([180,0,0]) rotate([0,0,90]) linear_extrude(height=30){
529 Machine_NewRearProfile();
530 translate([0,-100]) Machine_NewRearProfile();
534 rotate([0,90,0]) rotate([90,0,0]) {
536 rotate_extrude(convexity=10, $fn=64)
538 translate([ 0, -rearcurve_double_inrad ])
539 Machine_NewRearProfile();
540 translate([0,0,-500])
541 cube([500,500,1000]);
544 translate([1,0,-rearcurve_double_inrad])
545 rotate([0,-90,0]) rotate([0,0,-90])
546 linear_extrude(height= rearcurve_strt_len + 1)
547 Machine_NewRearProfile();
551 module Machine_Curves(){ ////toplevel
552 translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
556 translate([ -reartablet_x,
558 -reartablet_z + tablet_z_slop])
560 cube([ reartablet_x+1,
564 translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
566 frontcurve_z_slop ]){
567 translate([0, -machine_rear_to_front, 0])
568 multmatrix([[1, -frontcurve_side_skew, 0, 0],
572 mirror([1,0,0]) rotate([0,-90,0])rotate([0,0,-90])
573 linear_extrude(height= 200)
574 Machine_NewFrontProfile();
576 translate([ rearcurve_strt_len,
579 Machine_NewRearCurve();
584 module TestStrapSlots(){
585 pegwidth = teststrap_peg[0];
586 for (pos = teststrapslots_at) {
588 translate(concat(pos,[0]))
589 for (mx = [0,1]) mirror([mx,0,0]) {
590 translate([ pegwidth/2, -teststrap[1]/2, -20 ])
591 cube(concat(teststrap,[40]));
596 module TestStrapPeg_any(l){ cube(concat([l],teststrap_peg)); }
598 module TestStrapPeg_Short(){ ////toplevel
599 TestStrapPeg_any(35);
602 module TestStrapPeg_Long(){ ////toplevel
603 TestStrapPeg_any(60);
606 module Machine(){ ////toplevel
613 module MachineEnvelope(){
615 p_arm_bl = [-cutout_tile11_x, -cutout_tile01_y];
616 y_arm_t = cutout_tile11_y;
617 p_crv_fl = p_arm_bl + [rearedge_len, -frontcurve_avoid_y];
618 y_crv_b = y_arm_t + rearcurve_avoid_y;
620 translate([0,0,-50]) linear_extrude(height= 100){
621 translate(p_arm_bl) square([400, y_arm_t] - p_arm_bl);
622 translate(p_crv_fl) square([400, y_crv_b] - p_crv_fl);
626 function Rectangle_corners(c0, sz) =
627 // returns the corners of a rectangle from c0 to c0+sz
628 // if sz is positive, the corners are anticlockwise starting with c0
631 c0 + [ sz[0], sz[1] ],
634 function Rectangle_corners2posts(c) =
640 module Rectangle_TileBase(c) { TileBase(c[0], c[2]); }
642 function Posts_interpolate_one(c0,c1) = [c0, (c0+c1)/2, c1];
644 module Tile02(){ ////toplevel
646 c0 = tile02_tr + -sz;
647 c = Rectangle_corners(c0, sz);
648 posts = Rectangle_corners2posts(c);
652 Rectangle_TileBase(c);
654 RoundEdge(R_EDGE(c,0));
655 RoundEdge(R_EDGE(c,3));
656 InterlockEdge(R_EDGE(c,2), 0);
658 InterlockEdge(R_EDGE(c,1), 1);
664 module Tile12(){ ////toplevel
666 c0 = tile02_tr + [-sz[0], 0];
667 c = Rectangle_corners(c0, sz);
668 posts = Rectangle_corners2posts(c);
672 Rectangle_TileBase(c);
674 RoundEdge(R_EDGE(c,2));
675 RoundEdge(R_EDGE(c,3));
677 InterlockEdge(R_EDGE(c,0), 1);
678 InterlockEdge(R_EDGE(c,1), 1);
684 tile_01_11_cnr = tile01_tr + [-cutout_tile11_x, 0];
685 tile_11_10_cnr = tile01_tr + [0, cutout_tile11_y];
686 tile_01_00_cnr = tile01_tr - [0, cutout_tile01_y];
688 module Tile11(){ ////toplevel
690 c0 = tile01_tr + [-sz[0],0];
691 c = Rectangle_corners(c0, sz);
692 cnr_posts = Rectangle_corners2posts(c);
694 Posts_interpolate_one(cnr_posts[0],
695 cnr_posts[1] - [cutout_tile11_x, 0]),
696 [ cnr_posts[1] + [0, cutout_tile11_y],
702 Rectangle_TileBase(c);
704 RoundEdge(R_EDGE(c,2));
705 InterlockEdge(R_EDGE(c,3));
707 InterlockEdge(c[0], tile_01_11_cnr, 1);
708 InterlockEdge(tile_11_10_cnr, c[2], 1);
713 module Tile01(){ ////toplevel
715 c0 = tile01_tr + -sz;
716 c = Rectangle_corners(c0, sz);
717 cnr_posts = Rectangle_corners2posts(c);
719 Posts_interpolate_one(R_EDGE(cnr_posts,0)),
720 [ cnr_posts[2] + [0, -cutout_tile01_y] ],
721 Posts_interpolate_one(cnr_posts[2] - [cutout_tile11_x, 0],
726 Rectangle_TileBase(c);
728 RoundEdge(R_EDGE(c,0));
729 InterlockEdge(tile_01_11_cnr, c[3]);
730 InterlockEdge(R_EDGE(c,3));
732 InterlockEdge(c[1], tile_01_00_cnr, 1);
737 module Tile10(){ ////toplevel
739 c0 = tile01_tr + [0,0];
740 c = Rectangle_corners(c0, sz);
741 cnr_posts = Rectangle_corners2posts(c);
742 cty = cutout_tile11_y;
743 rcy = cty + rearcurve_avoid_y;
744 posts = [ cnr_posts[0] + [ 0, cty ],
745 cnr_posts[1] + [ -sz[0] + rearedge_len - cutout_l_end_x, cty ],
746 cnr_posts[1] + [ 0, rcy ],
752 Rectangle_TileBase(c);
754 RoundEdge(R_EDGE(c,1));
755 RoundEdge(R_EDGE(c,2));
756 InterlockEdge(c[3], tile_11_10_cnr);
764 module Tile00(){ ////toplevel
766 c0 = tile01_tr + [0,-sz[1]];
767 c = Rectangle_corners(c0, sz);
769 // the edge c[1]..c[2] needs a diagonal chunk, from c1bis to c2bis
770 c2bis = [ -cutout_l_end_x + rearedge_len + frontcurve_strt_len, c[2][1] ];
773 (c[2][0] - c2bis[0]) * tan(90 - frontcurve_dualcurve_angle) ];
775 cnr_posts = Rectangle_corners2posts(c);
776 cty = cutout_tile01_y;
777 rcy = cty + frontcurve_avoid_y;
778 posts = [ cnr_posts[0],
780 cnr_posts[2] + [ 0, -rcy ],
781 cnr_posts[2] + [ -sz[0] + rearedge_len - cutout_l_end_x, -cty ],
782 cnr_posts[3] + [ 0, -cty ]
785 rc2 = [c1bis,c2bis,c[1]];
790 Rectangle_TileBase(c);
792 RoundEdge(R_EDGE(c,0));
793 RoundEdge(c[1], c1bis);
794 InterlockEdge(tile_01_00_cnr, c[0]);
797 translate([0,0,-20]) linear_extrude(height=40) {
798 polygon([ c1bis, c1bis + [50,0], c2bis + [50,0], c2bis ]);
801 RoundEdge(c1bis, c2bis);
810 module FitTest_general(c0,sz, dobrace=false, bracexx=0){
811 c = Rectangle_corners(c0, sz);
813 bsz = sz + [bracexx,0,0];
816 Rectangle_TileBase(c);
818 translate(concat(c0, [-brace[2] + 0.1])){
820 cube(concat(bsz, [brace[2]]) - [5,0,0]);
821 translate(brace + [0,0, -25])
822 cube(concat(bsz, [50]) - brace*2 + [10,0,0]);
826 RoundEdge(R_EDGE(c,1));
832 module FitTest_PairLink(cut=false){ ////toplevel
833 cy0=-55; cy1=85; cx=132;
836 footrad_min = 1; footrad_max = 4; footrad_depth = 5;
842 straphole_x_max = legrad/sqrt(2) + footrad_max;
843 dz = cut ? adj_neg_slop : 0;
845 translate([cx - bar[0]/2, cy0, dz + bar_z_slop])
846 cube([bar[0], cy1-cy0, bar[1] - bar_z_slop]);
848 for (endy=[cy0,cy1]) {
850 translate([cx,endy,dz]){
852 for (rot=[45:90:315]) rotate(rot) {
853 translate([legrad,0,0]){
855 cylinder(r= footrad_max, h=1);
856 translate([0,0,-footrad_depth])
857 cylinder(r= footrad_min, h=1);
861 cylinder(r= footrad_min +
862 adj_neg_slop * (footrad_max-footrad_min)/footrad_depth,
867 for (rot=[45,135]) rotate(rot) {
870 translate([s*legrad,0,0])
871 cylinder(r= footrad_max, h=bar[1]);
877 for (rot=[0,180]) rotate(rot) {
878 translate([ straphole_x_max - strap[0]/2, 0,0 ])
879 cube(concat(strap,[20]), center=true);
886 module FitTest_RearCurve(){ ////toplevel
888 FitTest_general([100,0], [180,100]);
889 FitTest_PairLink(true);
894 module FitTest_FrontCurve(){ ////toplevel
900 translate([0,0,-8]) linear_extrude(height=18) {
901 translate(p0) square(sz);
902 translate(teststrapslots_at[3])
903 scale(2* [ teststrap_peg[0], teststrap[1] ])
907 FitTest_PairLink(true);
912 module FitTest_Entire(){ ////toplevel
915 szfront = [243,szrear[1]];
917 FitTest_general(p0, szrear, dobrace=true, bracexx=0);
918 FitTest_PairLink(true);
919 translate(concat(p0,[0]) + [szfront[0],-10,-40])
920 cube([100, -p0[1], 80]);
925 translate(concat(p0,[-20])) cube(concat(szrear,[40]));
927 FitTest_FrontCurve();
930 module FitTest_EntireDemo(){ ////toplevel
935 module FitTest_EndEnd(){ ////toplevel
940 FitTest_general(p0, sz);
941 translate([ p0[0] -1, p0[1]+sz2[1], -10])
942 cube([ sz2[0] +1, 50, 20 ]);
946 module FitTest_PairDemo(){ ////toplevel
950 %FitTest_FrontCurve();
951 %FitTest_RearCurve();
957 FitTest_FrontCurve();
960 #FitTest_PairLink(true);
966 module RoundCornerDemo_plat(cnr){
967 mirror([0,0,1]) linear_extrude(height=1) polygon(cnr);
970 module RoundCornerDemo(){ ////toplevel
971 cnr = [ [-2,-3], [13,-3], [-12,9] ];
972 translate([0,25,0]) RoundCornerDemo_plat(cnr);
973 translate([25,0,0]) RoundCornerAdd(cnr);
974 translate([-25,0,0]) RoundCornerCut(cnr);
975 translate([0,-25,0]) RoundCorner_selector(cnr, 0);
977 RoundCornerDemo_plat(cnr);
983 module Demo(){ ////toplevel
984 translate(demo_slop*[-2,1]) color("blue") Tile12();
985 translate(demo_slop*[-2,0]) color("red") Tile02();
986 translate(demo_slop*[-2,1]) color("orange") Tile11();
987 translate(demo_slop*[-2,0]) color("purple") Tile01();
988 translate(demo_slop*[-3,1]) color("blue") Tile10();
989 translate(demo_slop*[-3,0]) color("red") Tile00();
997 //Machine_NewRearProfile();
998 //Machine_NewRearCurve();
999 //Machine_NewFrontProfile();
1000 //Machine_NewEndProfile();
1001 //Machine_NewEndProfileDemo();
1005 //MachineEnvelope();