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_new_x_slop = -1.4;
43 cutout_l_end_y_total = cutout_l_end_y
44 + cutout_l_end_y_front_slop + cutout_l_end_y_rear_slop;
46 tile02_tr = [-250, 0];
49 cutout_tile01_y = 170 - 147 + cutout_l_end_y_front_slop;
50 cutout_tile11_x = cutout_l_end_x + cutout_l_end_curve;
51 cutout_tile11_y = cutout_l_end_y_total - cutout_tile01_y;
53 // front and rear curves
57 rearcurve_strt_len = 52;
59 rearcurve_z_slop = -0.50;
61 rearcurve_avoid_y = 35;
63 rearcurve_double_inrad = 26.10 + 8.04;
69 frontcurve_side_skew = 3.5 / 72;
70 frontcurve_avoid_y = 70;
71 frontcurve_z_slop = 0.75;
73 frontcurve_strt_len = 50;
74 frontcurve_dualcurve_angle = 30;
76 teststrapslots_at = [ [ 110, 70 ], [ 110, -35 ],
78 [ 190, -80 ], // do not change index of this one
79 [ 0, 70 ], [ 0, -35 ],
83 teststrap_peg = [7.5, 3.5];
89 ply_edge_hole_dist = ply_edge_min + ply_hole_dia/2;
91 echo(str("HOLES IN PLY ctr dist from PLY edge = ", ply_edge_hole_dist));
93 hole_slop = (ply_hole_dia - post_dia)/2;
94 tile_hard_edge_hole_dist = ply_edge_hole_dist + hole_slop;
96 echo(str("HOLES IN PLY ctr dist from TILE HARD edge = ",
97 tile_hard_edge_hole_dist));
99 echo(str("HOLES IN PLY ctr dist from TILE ROUND edge = ",
100 tile_hard_edge_hole_dist + round_edge_rad));
102 thehd = [ tile_hard_edge_hole_dist, tile_hard_edge_hole_dist ];
104 thehd_tl = [ -thehd_tr[0], thehd_tr[1] ];
105 thehd_bl = -thehd_tr;
106 thehd_br = -thehd_tl;
108 tablet_z_slop = 0.25;
110 interlock_rad = interlock_dia/2;
111 interlock_negative_rad = interlock_rad + 0.125;
113 interlock_sq_adj = 0.2; // arbitrary
115 m4_define(`POST_TCROSSSZ',
116 `2*( tile_hard_edge_hole_dist - test_edge + 1 )')
121 cylinder(r= post_dia/2, h= tile_th + ply_th - post_shorter);
122 translate([0,0, tile_th]) {
123 cylinder(r= screw_big_dia/2, h= screw_big_len);
124 cylinder(r= screw_dia/2, h= ply_th, $fn=20);
128 translate([0,0, tile_th/2]) {
129 cube([post_dia, POST_TCROSSSZ, tile_th], center=true);
130 cube([POST_TCROSSSZ, post_dia, tile_th], center=true);
136 module Posts(posts) {
138 translate(concat(p, [0]))
143 module TileBase(botleft, topright){
144 size = topright - botleft;
145 botleft_post = botleft + thehd_tr;
146 topright_post = topright + thehd_bl;
149 translate(concat(botleft, [0]))
150 cube(concat(size, [tile_th]));
152 cidsz = topright_post-botleft_post
153 + [-post_dia,-post_dia]
155 cidszr = [ min(cidsz[0],50), min(cidsz[1],50) ];
156 echo("CID",cidsz,cidszr);
157 translate( concat(botleft_post, [ -tile_th ])
158 + 0.5 * [ post_dia, post_dia, 0 ]
159 + 0.5 * concat( cidsz - cidszr, [ 0 ]) )
160 Commitid_BestCount_M(cidszr);
163 crossoff = tile_hard_edge_hole_dist + POST_TCROSSSZ/2;
164 cidsz = [ thehd[0], size[1] - 2*crossoff ];
165 cidszr = [ cidsz[0], min(cidsz[1], 50) ];
166 translate( concat(botleft + [0, crossoff] + (cidsz-cidszr)/2, [0]) )
167 Commitid_BestCount(cidszr);
170 translate(concat(botleft + [test_edge,test_edge], [test_tile_th]))
171 cube(concat(size - [test_edge,test_edge]*2, [tile_th]));
172 translate(concat(botleft_post, [-1]))
173 cube(concat(topright_post-botleft_post, [tile_th+2]));
175 shufflesz = max(test_edge, tile_hard_edge_hole_dist)*2;
178 cube(shufflesz, center=true);
186 m4_dnl c is from Rectangle_corners and
187 m4_dnl ix is a corner number
188 m4_dnl expands to two comma-separated corners:
189 m4_dnl that denoted by ix, and the next one anticlockwise
190 m4_define(`R_EDGE',`$1[$2], $1[(($2)+1)%4]')
193 m4_dnl c is from Rectangle_corners and
194 m4_dnl ix is a corner number
195 m4_dnl expands to an array of corners as for RoundCorner
196 m4_define(`R_CNR',`[ $1[$2], $1[(($2)+1)%4], $1[(($2)+3)%4] ]')
198 m4_dnl INREFFRAME(left_cnr, right_cnr, morevars) { body; }
199 m4_define(`INREFFRAME',`
200 length_vec = ($2) - ($1);
201 length = dist2d([0,0], length_vec);
202 length_uvec = length_vec / length;
203 ortho_uvec = [ -length_uvec[1], length_uvec[0] ];
204 m = [ [ length_uvec[0], ortho_uvec[0], 0, ($1)[0], ],
205 [ length_uvec[1], ortho_uvec[1], 0, ($1)[1], ],
212 m4_dnl INREFFRAME(left_cnr, right_cnr, morevars)
213 m4_dnl INREFFRAME_EDGE { body; }
214 m4_define(`INREFFRAME_EDGE',`
215 translate([0,0, -round_edge_rad])
218 module RoundEdge(left_cnr, right_cnr) {
219 INREFFRAME(left_cnr, right_cnr)
223 cylinder(r= round_edge_rad, h= length, $fn=50);
224 translate([-1, 0, -20])
225 cube([length+2, 20, 20]);
230 m4_define(`ROUNDCORNER_VARS',`
234 bigr= round_cnr_rad - round_edge_rad;
235 l_uvec = unitvector2d(left_cnr - this_cnr);
236 r_uvec = unitvector2d(right_cnr - this_cnr);
237 lp1 = left_cnr + clockwise2d(l_uvec) * bigr;
238 lp2 = this_cnr + clockwise2d(l_uvec) * bigr;
239 lp3 = this_cnr - clockwise2d(r_uvec) * bigr;
240 lp4 = right_cnr - clockwise2d(r_uvec) * bigr;
241 ctr = line_intersection_2d(lp1,lp2,lp3,lp4);
242 ctr3 = concat(ctr,[0])
245 module RoundCorner_selector(ci, adj) {
249 INREFFRAME(ctr3,concat(lp1,[4])){
250 translate([0,0,-bigr]) linear_extrude(height=bigr*2) {
251 translate([-bigr*2 + adj, -bigr])
252 square([bigr*2, bigr*3]);
257 INREFFRAME(ctr3,concat(lp4,[0])){
258 translate([0,0,-bigr]) linear_extrude(height=bigr*2) {
259 translate([-bigr*2, -bigr*2])
260 square([bigr*2 + adj, bigr*3]);
267 module RoundCornerCut(ci) {
268 // ci should be [this_cnr, right_cnr, left_cnr]
269 // where right_cnr is to the right (ie, anticlockwise)
272 RoundCorner_selector(ci, -0.1);
274 cylinder(center=true, h=20, r= bigr);
278 module RoundCornerAdd(ci) {
281 RoundCorner_selector(ci, +0.1);
284 rotate_extrude(convexity=10, $fn=50)
287 circle(r= round_edge_rad, $fn=50);
296 module InterlockLobePlan(negative) {
297 r = negative ? interlock_negative_rad : interlock_rad;
298 ymir = negative ? 0 : 1;
302 translate([thehd[0], 0]){
306 translate([-dx, -0.1])
307 square([ dx*2, r/2 + 0.1 ]);
309 translate([ xi*dx, r ])
317 module InterlockEdgePlan(negative, nlobes, length, dosquare=true) {
318 for (lobei = [ 0 : nlobes-1 ]) {
319 lobex = (length - thehd[0]*2) * (lobei ? lobei / (nlobes-1) : 0);
320 translate([lobex, 0, 0]) {
321 InterlockLobePlan(negative);
327 slotshorter = negative ? -0.1 : interlock_fine_lenslop;
328 mirror([0, negative])
329 translate([slotshorter, iadj])
330 square([length - slotshorter*2, interlock_fine + iadj*2]);
334 module InterlockEdge(left_cnr, right_cnr, negative=0, nlobes=2) {
335 plusth = negative * 1.0;
336 protr = interlock_fine + interlock_sq_adj;
339 z1 = -tile_th/2 - protr / interlock_fine_slope;
340 z3 = -tile_th/2 + protr / interlock_fine_slope;
342 negsign = negative ? -1 : +1;
343 yprotr = negsign * protr;
345 INREFFRAME(left_cnr, right_cnr) {
346 for (vsect = [ // zs0 zs1 ys0, ys1
347 [ -tile_th-plusth, plusth, 0, 0],
348 [ z1, z2, 0, yprotr],
349 [ z2, z3, yprotr, 0],
359 [ 0,1, -sl, -ys0 + negsign*interlock_sq_adj ],
363 linear_extrude(height=zsd, convexity=10)
364 InterlockEdgePlan(negative, nlobes, length, !!ysd);
369 function TestPiece_holes2corners(holes) =
370 [ holes[0] + thehd_bl,
373 holes[0] + thehd_tl ];
375 module TestPiece1(){ ////toplevel
379 corners = TestPiece_holes2corners(holes);
380 rcs = R_CNR(corners,0);
383 TileBase(corners[0], corners[2]);
385 RoundEdge(corners[0], corners[1]);
386 RoundEdge(corners[3], corners[0]);
388 InterlockEdge(corners[1], corners[2], 1, nlobes=1);
394 module TestPiece2(){ ////toplevel
398 corners = TestPiece_holes2corners(holes);
399 TileBase(corners[0], corners[2]);
401 RoundEdge(corners[0], corners[1]);
402 InterlockEdge(corners[3], corners[0], 0, nlobes=1);
405 module TestDemo(){ ////toplevel
406 translate([ -thehd[0], 0 ])
409 translate([ +thehd[0] + demo_slop, 0 ])
413 module Machine_Arm(){
414 ysz = cutout_l_end_y_total;
415 // assume the round end is arc of a circle
416 chordlen = dist2d([0,0], [ cutout_l_end_y, cutout_l_end_curve ]);
417 endrad = cutout_l_end_y / cutout_l_end_curve * chordlen;
419 translate([0,0,-30]) linear_extrude(height=60) {
420 translate(tile01_tr + [0, (-cutout_tile01_y + cutout_tile11_y)/2]) {
422 translate([-50, -ysz/2])
424 translate([ endrad - cutout_tile11_x - cutout_l_end_x_slop, 0 ])
425 circle(r=endrad, $fa=0.01,$fd=5);
431 module Machine_NewRearProfile(){
432 // figures copied out of xfig edit boxes
433 // best not to edit the posbox size if poss - just move it
434 posbox = 10 * ([7.2333,-14.1267] - [-16.2289,40.0289]); // box, Green
435 sideline = -10 * ([-6.2400,13.5600] - [-2.4467,28.2556]); // line, Blue
436 scaleline = 10 * dist2d([-1.1911,-20.4800], [-11.2600,4.0578]); // Green2
437 scaleline_mm = 12+5+10+5+3;
438 sh = -[abs(posbox[0]), abs(posbox[1])];
439 rot = atan2(-sideline[0], sideline[1]);
440 sc = scaleline_mm / scaleline;
441 //echo("SH",sh,rot,sc);
442 scale(sc) rotate(rot) translate(sh){
443 import("sewing-table-rear-profile.dxf", convexity=10); // spline, Pink3
447 module Machine_NewFrontProfile(){
448 // figures copied out of xfig edit boxes
449 // best not to edit the posbox size if poss - just move it
450 posbox = 10 * ([11.8022,8.0600] - [4.2044,19.1867]); // box, Green
451 refline = 10 * ([7.6778,16.7222] - [27.8689,17.6578]); // line, Blue
452 refline_mm = (11-1)*10;
453 sh = -[abs(posbox[0]), abs(posbox[1])];
454 rot = atan2(-refline[0], refline[1]);
455 sc = refline_mm / vectorlen2d(refline);
456 //echo("SH",sh,rot,sc);
457 mirror([1,0]) scale(sc) rotate(rot+90) translate(sh){
458 import("sewing-table-front-profile.dxf", convexity=10); // spline, Pink3
462 module Machine_NewEndProfile(){
463 // figures copied out of xfig edit boxes
464 // NB that y coords are reversed - xfig origin is at bottom left
465 posboxs = 10 * [[4.0400,17.7956], [11.6622,32.5511]]; // box, Pink3
466 refline = 10 * ([8.4000,22.6000] - [50.3000,22.2000]); // line, Blue
467 refline_mm = 10 * (11 - 2.5);
468 sidelines = 10 * [[[9.0889,20.6178], [8.9644,14.6889]],
469 [[50.3800,21.9578], [50.1933,14.4933]]]; // lines, Blue3
470 baseline = 10 * [[8.4000,18.0822], [50.3000,17.6822]]; // line, Green2
474 posbox = [min(posboxs[0][0],posboxs[1][0]),
475 max(posboxs[0][1],posboxs[1][1])];
477 m4_define(`MNEP_ELP',
478 `line_intersection_2d(baseline[0],baseline[1],
479 sidelines[$1][0],sidelines[$1][1])')
480 endline = [MNEP_ELP(0),MNEP_ELP(1)];
482 rot = atan2(-refline[1], -refline[0]);
483 sc = refline_mm / vectorlen2d(refline);
484 sh = (0.5 * (endline[0] + endline[1])) - posbox;
486 ellen = sc * dist2d(endline[0],endline[1]);
487 scy = cutout_l_end_y / ellen;
489 scale([scy,1]) scale(sc) rotate(rot + rot_adj) translate(-[sh[0],-sh[1]]){
492 //%translate(1 * (posboxs[0] - posbox)) square(50);
493 //%translate(1 * (posboxs[1] - posbox)) square(50);
494 // %translate(1 * (baseline[0] - posbox)) square([50,10]);
496 // %translate(1 * (endline[0] - posbox)) square([50,10]);
497 // %translate(1 * (endline[1] - posbox)) square([50,10]);
499 // %translate(1 * (sidelines[0][0] - posbox)) square([10,50]);
500 // %translate(1 * (sidelines[0][1] - posbox)) square([10,50]);
501 // %translate(1 * (sidelines[1][0] - posbox)) square([10,50]);
502 // %translate(1 * (sidelines[1][1] - posbox)) square([10,50]);
505 import("sewing-table-end-profile.dxf", convexity=10); // spline, Pink3
509 module Machine_NewEndProfileDemo(){ ////toplevel
510 translate([0,5,0]) Machine_NewEndProfile();
511 translate([0,5,1]) color("blue") mirror([1,0]) Machine_NewEndProfile();
513 translate([0,5, 0]) Machine_NewEndProfile();
514 translate([0,5,-1]) color("blue") mirror([1,0]) Machine_NewEndProfile();
518 module Machine_NewArm(){
519 translate(tile01_tr + [ -cutout_l_end_x + cutout_l_end_new_x_slop,
520 (-cutout_tile01_y + cutout_tile11_y)/2 ]){
524 translate([0,d]) Machine_NewEndProfile();
530 module Machine_NewRearCurve(){
531 slant = atan2(4,210-10);
533 translate([0,0, rearcurve_double_inrad]) rotate([slant,0,0]){
534 translate([ rearcurve_double_inrad,
536 -rearcurve_double_inrad + 10 ]){
537 rotate([180,0,0]) rotate([0,0,90]) linear_extrude(height=30){
539 Machine_NewRearProfile();
540 translate([0,-100]) Machine_NewRearProfile();
544 rotate([0,90,0]) rotate([90,0,0]) {
546 rotate_extrude(convexity=10, $fn=64)
548 translate([ 0, -rearcurve_double_inrad ])
549 Machine_NewRearProfile();
550 translate([0,0,-500])
551 cube([500,500,1000]);
554 translate([1,0,-rearcurve_double_inrad])
555 rotate([0,-90,0]) rotate([0,0,-90])
556 linear_extrude(height= rearcurve_strt_len + 1)
557 Machine_NewRearProfile();
561 module Machine_Curves(){ ////toplevel
562 translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
566 translate([ -reartablet_x,
568 -reartablet_z + tablet_z_slop])
570 cube([ reartablet_x+1,
574 translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
576 frontcurve_z_slop ]){
577 translate([0, -machine_rear_to_front, 0])
578 multmatrix([[1, -frontcurve_side_skew, 0, 0],
582 mirror([1,0,0]) rotate([0,-90,0])rotate([0,0,-90])
583 linear_extrude(height= 200)
584 Machine_NewFrontProfile();
586 translate([ rearcurve_strt_len,
589 Machine_NewRearCurve();
594 module TestStrapSlots(){
595 pegwidth = teststrap_peg[0];
596 for (pos = teststrapslots_at) {
598 translate(concat(pos,[0]))
599 for (mx = [0,1]) mirror([mx,0,0]) {
600 translate([ pegwidth/2, -teststrap[1]/2, -20 ])
601 cube(concat(teststrap,[40]));
606 module TestStrapPeg_any(l){ cube(concat([l],teststrap_peg)); }
608 module TestStrapPeg_Short(){ ////toplevel
609 TestStrapPeg_any(35);
612 module TestStrapPeg_Long(){ ////toplevel
613 TestStrapPeg_any(60);
616 module Machine(){ ////toplevel
623 module MachineEnvelope(){
625 p_arm_bl = [-cutout_l_end_x, -cutout_tile01_y];
626 y_arm_t = cutout_tile11_y;
627 p_crv_fl = p_arm_bl + [rearedge_len, -frontcurve_avoid_y];
628 y_crv_b = y_arm_t + rearcurve_avoid_y;
630 translate([0,0,-50]) linear_extrude(height= 100){
631 translate(p_arm_bl) square([400, y_arm_t] - p_arm_bl);
632 translate(p_crv_fl) square([400, y_crv_b] - p_crv_fl);
636 function Rectangle_corners(c0, sz) =
637 // returns the corners of a rectangle from c0 to c0+sz
638 // if sz is positive, the corners are anticlockwise starting with c0
641 c0 + [ sz[0], sz[1] ],
644 function Rectangle_corners2posts(c) =
650 module Rectangle_TileBase(c) { TileBase(c[0], c[2]); }
652 function Posts_interpolate_one(c0,c1) = [c0, (c0+c1)/2, c1];
654 module Tile02(){ ////toplevel
656 c0 = tile02_tr + -sz;
657 c = Rectangle_corners(c0, sz);
658 posts = Rectangle_corners2posts(c);
662 Rectangle_TileBase(c);
664 RoundEdge(R_EDGE(c,0));
665 RoundEdge(R_EDGE(c,3));
666 InterlockEdge(R_EDGE(c,2), 0);
668 InterlockEdge(R_EDGE(c,1), 1);
674 module Tile12(){ ////toplevel
676 c0 = tile02_tr + [-sz[0], 0];
677 c = Rectangle_corners(c0, sz);
678 posts = Rectangle_corners2posts(c);
682 Rectangle_TileBase(c);
684 RoundEdge(R_EDGE(c,2));
685 RoundEdge(R_EDGE(c,3));
687 InterlockEdge(R_EDGE(c,0), 1);
688 InterlockEdge(R_EDGE(c,1), 1);
694 tile_01_11_cnr = tile01_tr + [-cutout_l_end_x, 0];
695 tile_11_10_cnr = tile01_tr + [0, cutout_tile11_y];
696 tile_01_00_cnr = tile01_tr - [0, cutout_tile01_y];
698 module Tile11(){ ////toplevel
700 c0 = tile01_tr + [-sz[0],0];
701 c = Rectangle_corners(c0, sz);
702 cnr_posts = Rectangle_corners2posts(c);
704 Posts_interpolate_one(cnr_posts[0],
705 cnr_posts[1] - [cutout_l_end_x, 0]),
706 [ cnr_posts[1] + [0, cutout_tile11_y],
712 Rectangle_TileBase(c);
714 RoundEdge(R_EDGE(c,2));
715 InterlockEdge(R_EDGE(c,3));
717 InterlockEdge(c[0], tile_01_11_cnr, 1);
718 InterlockEdge(tile_11_10_cnr, c[2], 1);
723 module Tile01(){ ////toplevel
725 c0 = tile01_tr + -sz;
726 c = Rectangle_corners(c0, sz);
727 cnr_posts = Rectangle_corners2posts(c);
729 Posts_interpolate_one(R_EDGE(cnr_posts,0)),
730 [ cnr_posts[2] + [0, -cutout_tile01_y] ],
731 Posts_interpolate_one(cnr_posts[2] - [cutout_l_end_x, 0],
736 Rectangle_TileBase(c);
738 RoundEdge(R_EDGE(c,0));
739 InterlockEdge(tile_01_11_cnr, c[3]);
740 InterlockEdge(R_EDGE(c,3));
742 InterlockEdge(c[1], tile_01_00_cnr, 1);
747 module Tile10(){ ////toplevel
749 c0 = tile01_tr + [0,0];
750 c = Rectangle_corners(c0, sz);
751 cnr_posts = Rectangle_corners2posts(c);
752 cty = cutout_tile11_y;
753 rcy = cty + rearcurve_avoid_y;
754 posts = [ cnr_posts[0] + [ 0, cty ],
755 cnr_posts[1] + [ -sz[0] + rearedge_len - cutout_l_end_x, cty ],
756 cnr_posts[1] + [ 0, rcy ],
762 Rectangle_TileBase(c);
764 RoundEdge(R_EDGE(c,1));
765 RoundEdge(R_EDGE(c,2));
766 InterlockEdge(c[3], tile_11_10_cnr);
774 module Tile00(){ ////toplevel
776 c0 = tile01_tr + [0,-sz[1]];
777 c = Rectangle_corners(c0, sz);
779 // the edge c[1]..c[2] needs a diagonal chunk, from c1bis to c2bis
780 c2bis = [ -cutout_l_end_x + rearedge_len + frontcurve_strt_len, c[2][1] ];
783 (c[2][0] - c2bis[0]) * tan(90 - frontcurve_dualcurve_angle) ];
785 cnr_posts = Rectangle_corners2posts(c);
786 cty = cutout_tile01_y;
787 rcy = cty + frontcurve_avoid_y;
788 posts = [ cnr_posts[0],
790 cnr_posts[2] + [ 0, -rcy ],
791 cnr_posts[2] + [ -sz[0] + rearedge_len - cutout_l_end_x, -cty ],
792 cnr_posts[3] + [ 0, -cty ]
795 rc2 = [c1bis,c2bis,c[1]];
800 Rectangle_TileBase(c);
802 RoundEdge(R_EDGE(c,0));
803 RoundEdge(c[1], c1bis);
804 InterlockEdge(tile_01_00_cnr, c[0]);
807 translate([0,0,-20]) linear_extrude(height=40) {
808 polygon([ c1bis, c1bis + [50,0], c2bis + [50,0], c2bis ]);
811 RoundEdge(c1bis, c2bis);
820 module FitTest_general(c0,sz, dobrace=false, bracexx=0){
821 c = Rectangle_corners(c0, sz);
823 bsz = sz + [bracexx,0,0];
826 Rectangle_TileBase(c);
828 translate(concat(c0, [-brace[2] + 0.1])){
830 cube(concat(bsz, [brace[2]]) - [5,0,0]);
831 translate(brace + [0,0, -25])
832 cube(concat(bsz, [50]) - brace*2 + [10,0,0]);
836 RoundEdge(R_EDGE(c,1));
842 module FitTest_PairLink(cut=false){ ////toplevel
843 cy0=-55; cy1=85; cx=132;
846 footrad_min = 1; footrad_max = 4; footrad_depth = 5;
852 straphole_x_max = legrad/sqrt(2) + footrad_max;
853 dz = cut ? adj_neg_slop : 0;
855 translate([cx - bar[0]/2, cy0, dz + bar_z_slop])
856 cube([bar[0], cy1-cy0, bar[1] - bar_z_slop]);
858 for (endy=[cy0,cy1]) {
860 translate([cx,endy,dz]){
862 for (rot=[45:90:315]) rotate(rot) {
863 translate([legrad,0,0]){
865 cylinder(r= footrad_max, h=1);
866 translate([0,0,-footrad_depth])
867 cylinder(r= footrad_min, h=1);
871 cylinder(r= footrad_min +
872 adj_neg_slop * (footrad_max-footrad_min)/footrad_depth,
877 for (rot=[45,135]) rotate(rot) {
880 translate([s*legrad,0,0])
881 cylinder(r= footrad_max, h=bar[1]);
887 for (rot=[0,180]) rotate(rot) {
888 translate([ straphole_x_max - strap[0]/2, 0,0 ])
889 cube(concat(strap,[20]), center=true);
896 module FitTest_RearCurve(){ ////toplevel
898 FitTest_general([100,0], [180,100]);
899 FitTest_PairLink(true);
904 module FitTest_FrontCurve(){ ////toplevel
910 translate([0,0,-8]) linear_extrude(height=18) {
911 translate(p0) square(sz);
912 translate(teststrapslots_at[3])
913 scale(2* [ teststrap_peg[0], teststrap[1] ])
917 FitTest_PairLink(true);
922 module FitTest_Entire(){ ////toplevel
925 szfront = [243,szrear[1]];
927 FitTest_general(p0, szrear, dobrace=true, bracexx=0);
928 FitTest_PairLink(true);
929 translate(concat(p0,[0]) + [szfront[0],-10,-40])
930 cube([100, -p0[1], 80]);
935 translate(concat(p0,[-20])) cube(concat(szrear,[40]));
937 FitTest_FrontCurve();
940 module FitTest_EntireDemo(){ ////toplevel
945 module FitTest_EndEnd(){ ////toplevel
950 FitTest_general(p0, sz);
951 translate([ p0[0] -1, p0[1]+sz2[1], -10])
952 cube([ sz2[0] +1, 50, 20 ]);
956 module FitTest_PairDemo(){ ////toplevel
960 %FitTest_FrontCurve();
961 %FitTest_RearCurve();
967 FitTest_FrontCurve();
970 #FitTest_PairLink(true);
976 module RoundCornerDemo_plat(cnr){
977 mirror([0,0,1]) linear_extrude(height=1) polygon(cnr);
980 module RoundCornerDemo(){ ////toplevel
981 cnr = [ [-2,-3], [13,-3], [-12,9] ];
982 translate([0,25,0]) RoundCornerDemo_plat(cnr);
983 translate([25,0,0]) RoundCornerAdd(cnr);
984 translate([-25,0,0]) RoundCornerCut(cnr);
985 translate([0,-25,0]) RoundCorner_selector(cnr, 0);
987 RoundCornerDemo_plat(cnr);
993 module Demo(){ ////toplevel
994 translate(demo_slop*[-2,1]) color("blue") Tile12();
995 translate(demo_slop*[-2,0]) color("red") Tile02();
996 translate(demo_slop*[-2,1]) color("orange") Tile11();
997 translate(demo_slop*[-2,0]) color("purple") Tile01();
998 translate(demo_slop*[-3,1]) color("blue") Tile10();
999 translate(demo_slop*[-3,0]) color("red") Tile00();
1007 //Machine_NewRearProfile();
1008 //Machine_NewRearCurve();
1009 //Machine_NewFrontProfile();
1010 //Machine_NewEndProfile();
1011 //Machine_NewEndProfileDemo();
1015 //MachineEnvelope();