4 include <commitid.scad>
10 ply_hole_dia_real = 12;
26 interlock_fine = 0.66;
28 interlock_fine_slope = 1.0;
29 interlock_fine_lenslop = 1.0;
35 machine_rear_to_front = 84 + 0.25 - 1.4;
37 cutout_l_end_y_front_slop = 0.5;
38 cutout_l_end_y_rear_slop = 0.5;
41 cutout_l_end_y = machine_rear_to_front;
42 cutout_l_end_new_x_slop = 1.4 - 1.95;
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_y = cutout_l_end_y_total - cutout_tile01_y;
52 // front and rear curves
54 rearedge_len = 170 + 0.70;
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];
85 ply_edge_hole_dist_real = 14;
92 ply_edge_hole_dist = ply_edge_min + ply_hole_dia/2;
94 echo(str("HOLES IN PLY ctr dist from PLY edge = ", ply_edge_hole_dist));
96 hole_slop = (ply_hole_dia - post_dia)/2;
97 tile_hard_edge_hole_dist = ply_edge_hole_dist + hole_slop;
99 echo(str("HOLES IN PLY ctr dist from TILE HARD edge = ",
100 tile_hard_edge_hole_dist));
102 echo(str("HOLES IN PLY ctr dist from TILE ROUND edge = ",
103 tile_hard_edge_hole_dist + round_edge_rad));
105 thehd = [ tile_hard_edge_hole_dist, tile_hard_edge_hole_dist ];
107 thehd_tl = [ -thehd_tr[0], thehd_tr[1] ];
108 thehd_bl = -thehd_tr;
109 thehd_br = -thehd_tl;
111 tablet_z_slop = 0.25;
113 interlock_rad = interlock_dia/2;
114 interlock_negative_rad = interlock_rad + 0.125;
116 interlock_sq_adj = 0.2; // arbitrary
118 m4_define(`POST_TCROSSSZ',
119 `2*( tile_hard_edge_hole_dist - test_edge + 1 )')
125 cylinder(r= post_dia/2, h= tile_th + ply_th - post_shorter);
126 translate([0,0, tile_th]) {
127 cylinder(r= screw_big_dia/2, h= screw_big_len);
128 cylinder(r= screw_dia/2, h= ply_th, $fn=20);
133 translate([0,0, tile_th/2]) {
134 cube([post_dia, POST_TCROSSSZ, tile_th], center=true);
135 cube([POST_TCROSSSZ, post_dia, tile_th], center=true);
139 translate([0,0, tile_th/2]) {
140 cube([POST_TCROSSSZ, POST_TCROSSSZ, tile_th], center=true);
148 cylinder(r= post_dia/2, h=10);
149 translate([0,0, -jig_min_th])
150 cylinder(r= ply_hole_dia_real/2, h = 5);
151 for (rot=[0:90:270]) rotate(rot) {
152 translate([ ply_edge_hole_dist_real, 0, -5 ])
153 cube([ jig_pencil_rad*2, jig_pencil_slotlen, 10 ], center=true);
157 module Posts(posts) {
159 translate(concat(p, [0]))
163 module PostHoles(posts) {
165 translate(concat(p, [0]))
170 module TileBase(botleft, topright){
171 size = topright - botleft;
172 botleft_post = botleft + thehd_tr;
173 topright_post = topright + thehd_bl;
176 translate(concat(botleft, [0]))
177 cube(concat(size, [tile_th]));
178 if (!(TEST || JIG)) {
179 cidsz = topright_post-botleft_post
180 + [-post_dia,-post_dia]
182 cidszr = [ min(cidsz[0],50), min(cidsz[1],50) ];
183 echo("CID",cidsz,cidszr);
184 translate( concat(botleft_post, [ -tile_th ])
185 + 0.5 * [ post_dia, post_dia, 0 ]
186 + 0.5 * concat( cidsz - cidszr, [ 0 ]) )
187 Commitid_BestCount_M(cidszr);
190 crossoff = tile_hard_edge_hole_dist + POST_TCROSSSZ/2;
191 cidsz = [ thehd[0], size[1] - 2*crossoff ];
192 cidszr = [ cidsz[0], min(cidsz[1], 50) ];
193 translate( concat(botleft + [0, crossoff] + (cidsz-cidszr)/2, [0]) )
194 Commitid_BestCount(cidszr);
197 translate(concat(botleft + [test_edge,test_edge], [test_tile_th]))
198 cube(concat(size - [test_edge,test_edge]*2, [tile_th*2]));
199 translate(concat(botleft_post, [-1]))
200 cube(concat(topright_post-botleft_post, [tile_th+2]));
202 shufflesz = max(test_edge, tile_hard_edge_hole_dist)*2;
205 cube(shufflesz, center=true);
213 m4_dnl c is from Rectangle_corners and
214 m4_dnl ix is a corner number
215 m4_dnl expands to two comma-separated corners:
216 m4_dnl that denoted by ix, and the next one anticlockwise
217 m4_define(`R_EDGE',`$1[$2], $1[(($2)+1)%4]')
220 m4_dnl c is from Rectangle_corners and
221 m4_dnl ix is a corner number
222 m4_dnl expands to an array of corners as for RoundCorner
223 m4_define(`R_CNR',`[ $1[$2], $1[(($2)+1)%4], $1[(($2)+3)%4] ]')
225 m4_dnl INREFFRAME(left_cnr, right_cnr, morevars) { body; }
226 m4_define(`INREFFRAME',`
227 length_vec = ($2) - ($1);
228 length = dist2d([0,0], length_vec);
229 length_uvec = length_vec / length;
230 ortho_uvec = [ -length_uvec[1], length_uvec[0] ];
231 m = [ [ length_uvec[0], ortho_uvec[0], 0, ($1)[0], ],
232 [ length_uvec[1], ortho_uvec[1], 0, ($1)[1], ],
239 m4_dnl INREFFRAME(left_cnr, right_cnr, morevars)
240 m4_dnl INREFFRAME_EDGE { body; }
241 m4_define(`INREFFRAME_EDGE',`
242 translate([0,0, -round_edge_rad])
245 module RoundEdge(left_cnr, right_cnr) {
246 INREFFRAME(left_cnr, right_cnr)
250 cylinder(r= round_edge_rad, h= length, $fn=50);
251 translate([-1, 0, -20])
252 cube([length+2, 20, 20]);
257 m4_define(`ROUNDCORNER_VARS',`
261 bigr= round_cnr_rad - round_edge_rad;
262 l_uvec = unitvector2d(left_cnr - this_cnr);
263 r_uvec = unitvector2d(right_cnr - this_cnr);
264 lp1 = left_cnr + clockwise2d(l_uvec) * bigr;
265 lp2 = this_cnr + clockwise2d(l_uvec) * bigr;
266 lp3 = this_cnr - clockwise2d(r_uvec) * bigr;
267 lp4 = right_cnr - clockwise2d(r_uvec) * bigr;
268 ctr = line_intersection_2d(lp1,lp2,lp3,lp4);
269 ctr3 = concat(ctr,[0])
272 module RoundCorner_selector(ci, adj) {
276 INREFFRAME(ctr3,concat(lp1,[4])){
277 translate([0,0,-bigr]) linear_extrude(height=bigr*2) {
278 translate([-bigr*2 + adj, -bigr])
279 square([bigr*2, bigr*3]);
284 INREFFRAME(ctr3,concat(lp4,[0])){
285 translate([0,0,-bigr]) linear_extrude(height=bigr*2) {
286 translate([-bigr*2, -bigr*2])
287 square([bigr*2 + adj, bigr*3]);
294 module RoundCornerCut(ci) {
295 // ci should be [this_cnr, right_cnr, left_cnr]
296 // where right_cnr is to the right (ie, anticlockwise)
299 RoundCorner_selector(ci, -0.1);
301 cylinder(center=true, h=20, r= bigr);
305 module RoundCornerAdd(ci) {
308 RoundCorner_selector(ci, +0.1);
311 rotate_extrude(convexity=10, $fn=50)
314 circle(r= round_edge_rad, $fn=50);
323 module InterlockLobePlan(negative) {
324 r = negative ? interlock_negative_rad : interlock_rad;
325 ymir = negative ? 0 : 1;
329 translate([thehd[0], 0]){
333 translate([-dx, -0.1])
334 square([ dx*2, r/2 + 0.1 ]);
336 translate([ xi*dx, r ])
344 module InterlockEdgePlan(negative, nlobes, length, dosquare=true) {
345 for (lobei = [ 0 : nlobes-1 ]) {
346 lobex = (length - thehd[0]*2) * (lobei ? lobei / (nlobes-1) : 0);
347 translate([lobex, 0, 0]) {
348 InterlockLobePlan(negative);
354 slotshorter = negative ? -0.1 : interlock_fine_lenslop;
355 mirror([0, negative])
356 translate([slotshorter, iadj])
357 square([length - slotshorter*2, interlock_fine + iadj*2]);
361 module InterlockEdge(left_cnr, right_cnr, negative=0, nlobes=2) {
362 plusth = negative * 1.0;
363 protr = interlock_fine + interlock_sq_adj;
366 z1 = -tile_th/2 - protr / interlock_fine_slope;
367 z3 = -tile_th/2 + protr / interlock_fine_slope;
369 negsign = negative ? -1 : +1;
370 yprotr = negsign * protr;
372 INREFFRAME(left_cnr, right_cnr) {
373 for (vsect = [ // zs0 zs1 ys0, ys1
374 [ -tile_th-plusth, plusth, 0, 0],
375 [ z1, z2, 0, yprotr],
376 [ z2, z3, yprotr, 0],
386 [ 0,1, -sl, -ys0 + negsign*interlock_sq_adj ],
390 linear_extrude(height=zsd, convexity=10)
391 InterlockEdgePlan(negative, nlobes, length, !!ysd);
396 function TestPiece_holes2corners(holes) =
397 [ holes[0] + thehd_bl,
400 holes[0] + thehd_tl ];
402 module TestPiece1(){ ////toplevel
406 corners = TestPiece_holes2corners(holes);
407 rcs = R_CNR(corners,0);
410 TileBase(corners[0], corners[2]);
412 RoundEdge(corners[0], corners[1]);
413 RoundEdge(corners[3], corners[0]);
415 InterlockEdge(corners[1], corners[2], 1, nlobes=1);
422 module TestPiece2(){ ////toplevel
426 corners = TestPiece_holes2corners(holes);
429 TileBase(corners[0], corners[2]);
431 RoundEdge(corners[0], corners[1]);
432 InterlockEdge(corners[3], corners[0], 0, nlobes=1);
438 module TestDemo(){ ////toplevel
439 translate([ -thehd[0], 0 ])
442 translate([ +thehd[0] + demo_slop, 0 ])
446 module Machine_NewRearProfile(){
447 // figures copied out of xfig edit boxes
448 // best not to edit the posbox size if poss - just move it
449 posbox = 10 * ([7.2333,-14.1267] - [-16.2289,40.0289]); // box, Green
450 sideline = -10 * ([-6.2400,13.5600] - [-2.4467,28.2556]); // line, Blue
451 scaleline = 10 * dist2d([-1.1911,-20.4800], [-11.2600,4.0578]); // Green2
452 scaleline_mm = 12+5+10+5+3;
453 sh = -[abs(posbox[0]), abs(posbox[1])];
454 rot = atan2(-sideline[0], sideline[1]);
455 sc = scaleline_mm / scaleline;
456 //echo("SH",sh,rot,sc);
457 scale(sc) rotate(rot) translate(sh){
458 import("sewing-table-rear-profile.dxf", convexity=10); // spline, Pink3
462 module Machine_NewFrontProfile(){
463 // figures copied out of xfig edit boxes
464 // best not to edit the posbox size if poss - just move it
465 posbox = 10 * ([11.8022,8.0600] - [4.2044,19.1867]); // box, Green
466 refline = 10 * ([7.6778,16.7222] - [27.8689,17.6578]); // line, Blue
467 refline_mm = (11-1)*10;
468 sh = -[abs(posbox[0]), abs(posbox[1])];
469 rot = atan2(-refline[0], refline[1]);
470 sc = refline_mm / vectorlen2d(refline);
471 //echo("SH",sh,rot,sc);
472 mirror([1,0]) scale(sc) rotate(rot+90) translate(sh){
473 import("sewing-table-front-profile.dxf", convexity=10); // spline, Pink3
477 module Machine_NewEndProfile(){
478 // figures copied out of xfig edit boxes
479 // NB that y coords are reversed - xfig origin is at bottom left
480 posboxs = 10 * [[4.0400,17.7956], [11.6622,32.5511]]; // box, Pink3
481 refline = 10 * ([8.4000,22.6000] - [50.3000,22.2000]); // line, Blue
482 refline_mm = 10 * (11 - 2.5);
483 sidelines = 10 * [[[9.0889,20.6178], [8.9644,14.6889]],
484 [[50.3800,21.9578], [50.1933,14.4933]]]; // lines, Blue3
485 baseline = 10 * [[8.4000,18.0822], [50.3000,17.6822]]; // line, Green2
489 posbox = [min(posboxs[0][0],posboxs[1][0]),
490 max(posboxs[0][1],posboxs[1][1])];
492 m4_define(`MNEP_ELP',
493 `line_intersection_2d(baseline[0],baseline[1],
494 sidelines[$1][0],sidelines[$1][1])')
495 endline = [MNEP_ELP(0),MNEP_ELP(1)];
497 rot = atan2(-refline[1], -refline[0]);
498 sc = refline_mm / vectorlen2d(refline);
499 sh = (0.5 * (endline[0] + endline[1])) - posbox;
501 ellen = sc * dist2d(endline[0],endline[1]);
502 scy = cutout_l_end_y_total / ellen;
504 scale([scy,1]) scale(sc) rotate(rot + rot_adj) translate(-[sh[0],-sh[1]]){
507 //%translate(1 * (posboxs[0] - posbox)) square(50);
508 //%translate(1 * (posboxs[1] - posbox)) square(50);
509 // %translate(1 * (baseline[0] - posbox)) square([50,10]);
511 // %translate(1 * (endline[0] - posbox)) square([50,10]);
512 // %translate(1 * (endline[1] - posbox)) square([50,10]);
514 // %translate(1 * (sidelines[0][0] - posbox)) square([10,50]);
515 // %translate(1 * (sidelines[0][1] - posbox)) square([10,50]);
516 // %translate(1 * (sidelines[1][0] - posbox)) square([10,50]);
517 // %translate(1 * (sidelines[1][1] - posbox)) square([10,50]);
520 import("sewing-table-end-profile.dxf", convexity=10); // spline, Pink3
524 module Machine_NewEndProfileDemo(){ ////toplevel
525 translate([0,5,0]) Machine_NewEndProfile();
526 translate([0,5,1]) color("blue") mirror([1,0]) Machine_NewEndProfile();
528 translate([0,5, 0]) Machine_NewEndProfile();
529 translate([0,5,-1]) color("blue") mirror([1,0]) Machine_NewEndProfile();
533 module Machine_NewArm(){
534 translate([0,0,-30]) linear_extrude(height=60) {
535 translate(tile01_tr + [ -cutout_l_end_x - cutout_l_end_new_x_slop,
536 (-cutout_tile01_y + cutout_tile11_y)/2 ]){
540 translate([0,d]) Machine_NewEndProfile();
547 module Machine_NewRearCurve(){
548 slant = atan2(4,210-10);
550 translate([0,0, rearcurve_double_inrad]) rotate([slant,0,0]){
551 translate([ rearcurve_double_inrad,
553 -rearcurve_double_inrad + 10 ]){
554 rotate([180,0,0]) rotate([0,0,90]) linear_extrude(height=30){
556 Machine_NewRearProfile();
557 translate([0,-100]) Machine_NewRearProfile();
561 rotate([0,90,0]) rotate([90,0,0]) {
563 rotate_extrude(convexity=10, $fn=64)
565 translate([ 0, -rearcurve_double_inrad ])
566 Machine_NewRearProfile();
567 translate([0,0,-500])
568 cube([500,500,1000]);
571 translate([1,0,-rearcurve_double_inrad])
572 rotate([0,-90,0]) rotate([0,0,-90])
573 linear_extrude(height= rearcurve_strt_len + 1)
574 Machine_NewRearProfile();
578 module Machine_Curves(){ ////toplevel
579 translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
583 translate([ -reartablet_x,
585 -reartablet_z + tablet_z_slop])
587 cube([ reartablet_x+1,
591 translate([ tile01_tr[0] - cutout_l_end_x + frontedge_len,
593 frontcurve_z_slop ]){
594 translate([0, -machine_rear_to_front, 0])
595 multmatrix([[1, -frontcurve_side_skew, 0, 0],
599 mirror([1,0,0]) rotate([0,-90,0])rotate([0,0,-90])
600 linear_extrude(height= 200)
601 Machine_NewFrontProfile();
603 translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
605 frontcurve_z_slop ]){
606 translate([ rearcurve_strt_len,
609 Machine_NewRearCurve();
614 module TestStrapSlots(){
615 pegwidth = teststrap_peg[0];
616 for (pos = teststrapslots_at) {
618 translate(concat(pos,[0]))
619 for (mx = [0,1]) mirror([mx,0,0]) {
620 translate([ pegwidth/2, -teststrap[1]/2, -20 ])
621 cube(concat(teststrap,[40]));
626 module TestStrapPeg_any(l){ cube(concat([l],teststrap_peg)); }
628 module TestStrapPeg_Short(){ ////toplevel
629 TestStrapPeg_any(35);
632 module TestStrapPeg_Long(){ ////toplevel
633 TestStrapPeg_any(60);
636 module Machine(){ ////toplevel
643 module MachineEnvelope(){
645 p_arm_bl = [-cutout_l_end_x, -cutout_tile01_y];
646 y_arm_t = cutout_tile11_y;
647 p_crv_fl = p_arm_bl + [frontedge_len, -frontcurve_avoid_y];
648 y_crv_b = y_arm_t + rearcurve_avoid_y;
650 translate([0,0,-50]) linear_extrude(height= 100){
651 translate(p_arm_bl) square([400, y_arm_t] - p_arm_bl);
652 translate(p_crv_fl) square([400, y_crv_b] - p_crv_fl);
656 function Rectangle_corners(c0, sz) =
657 // returns the corners of a rectangle from c0 to c0+sz
658 // if sz is positive, the corners are anticlockwise starting with c0
661 c0 + [ sz[0], sz[1] ],
664 function Rectangle_corners2posts(c) =
670 module Rectangle_TileBase(c) { TileBase(c[0], c[2]); }
672 function Posts_interpolate_one(c0,c1) = [c0, (c0+c1)/2, c1];
674 module Tile02(){ ////toplevel
676 c0 = tile02_tr + -sz;
677 c = Rectangle_corners(c0, sz);
678 posts = Rectangle_corners2posts(c);
682 Rectangle_TileBase(c);
684 RoundEdge(R_EDGE(c,0));
685 RoundEdge(R_EDGE(c,3));
686 InterlockEdge(R_EDGE(c,2), 0);
688 InterlockEdge(R_EDGE(c,1), 1);
695 module Tile12(){ ////toplevel
697 c0 = tile02_tr + [-sz[0], 0];
698 c = Rectangle_corners(c0, sz);
699 posts = Rectangle_corners2posts(c);
703 Rectangle_TileBase(c);
705 RoundEdge(R_EDGE(c,2));
706 RoundEdge(R_EDGE(c,3));
708 InterlockEdge(R_EDGE(c,0), 1);
709 InterlockEdge(R_EDGE(c,1), 1);
716 tile_01_11_cnr = tile01_tr + [-cutout_l_end_x, 0];
717 tile_11_10_cnr = tile01_tr + [0, cutout_tile11_y];
718 tile_01_00_cnr = tile01_tr - [0, cutout_tile01_y];
720 module Tile11(){ ////toplevel
722 c0 = tile01_tr + [-sz[0],0];
723 c = Rectangle_corners(c0, sz);
724 cnr_posts = Rectangle_corners2posts(c);
726 Posts_interpolate_one(cnr_posts[0],
727 cnr_posts[1] - [cutout_l_end_x, 0]),
728 [ cnr_posts[1] + [0, cutout_tile11_y],
734 Rectangle_TileBase(c);
736 RoundEdge(R_EDGE(c,2));
737 InterlockEdge(R_EDGE(c,3));
739 InterlockEdge(c[0], tile_01_11_cnr, 1);
740 InterlockEdge(tile_11_10_cnr, c[2], 1);
746 module Tile01(){ ////toplevel
748 c0 = tile01_tr + -sz;
749 c = Rectangle_corners(c0, sz);
750 cnr_posts = Rectangle_corners2posts(c);
752 Posts_interpolate_one(R_EDGE(cnr_posts,0)),
753 [ cnr_posts[2] + [0, -cutout_tile01_y] ],
754 Posts_interpolate_one(cnr_posts[2] - [cutout_l_end_x, 0],
759 Rectangle_TileBase(c);
761 RoundEdge(R_EDGE(c,0));
762 InterlockEdge(tile_01_11_cnr, c[3]);
763 InterlockEdge(R_EDGE(c,3));
766 InterlockEdge(c[1], tile_01_00_cnr, 1);
771 module Tile10(){ ////toplevel
773 c0 = tile01_tr + [0,0];
774 c = Rectangle_corners(c0, sz);
775 cnr_posts = Rectangle_corners2posts(c);
776 cty = cutout_tile11_y;
777 rcy = cty + rearcurve_avoid_y;
778 posts = [ cnr_posts[0] + [ 0, cty ],
779 cnr_posts[1] + [ -sz[0] + rearedge_len - cutout_l_end_x, cty ],
780 cnr_posts[1] + [ 0, rcy ],
786 Rectangle_TileBase(c);
788 RoundEdge(R_EDGE(c,1));
789 RoundEdge(R_EDGE(c,2));
790 InterlockEdge(c[3], tile_11_10_cnr);
799 module Tile00(){ ////toplevel
801 c0 = tile01_tr + [0,-sz[1]];
802 c = Rectangle_corners(c0, sz);
804 // the edge c[1]..c[2] needs a diagonal chunk, from c1bis to c2bis
805 c2bis = [ -cutout_l_end_x + frontedge_len + frontcurve_strt_len, c[2][1] ];
808 (c[2][0] - c2bis[0]) * tan(90 - frontcurve_dualcurve_angle) ];
810 cnr_posts = Rectangle_corners2posts(c);
811 cty = cutout_tile01_y;
812 rcy = cty + frontcurve_avoid_y;
813 posts = [ cnr_posts[0],
815 cnr_posts[2] + [ 0, -rcy ],
816 cnr_posts[2] + [ -sz[0] + frontedge_len - cutout_l_end_x, -cty ],
817 cnr_posts[3] + [ 0, -cty ]
820 rc2 = [c1bis,c2bis,c[1]];
825 Rectangle_TileBase(c);
827 RoundEdge(R_EDGE(c,0));
828 RoundEdge(c[1], c1bis);
829 InterlockEdge(tile_01_00_cnr, c[0]);
832 translate([0,0,-20]) linear_extrude(height=40) {
833 polygon([ c1bis, c1bis + [50,0], c2bis + [50,0], c2bis ]);
836 RoundEdge(c1bis, c2bis);
846 module FitTest_general(c0,sz, dobrace=false, bracexx=0){
847 c = Rectangle_corners(c0, sz);
849 bsz = sz + [bracexx,0,0];
852 Rectangle_TileBase(c);
854 translate(concat(c0, [-brace[2] + 0.1])){
856 cube(concat(bsz, [brace[2]]) - [5,0,0]);
857 translate(brace + [0,0, -25])
858 cube(concat(bsz, [50]) - brace*2 + [10,0,0]);
862 RoundEdge(R_EDGE(c,1));
868 module FitTest_PairLink(cut=false){ ////toplevel
869 cy0=-55; cy1=85; cx=132;
872 footrad_min = 1; footrad_max = 4; footrad_depth = 5;
878 straphole_x_max = legrad/sqrt(2) + footrad_max;
879 dz = cut ? adj_neg_slop : 0;
881 translate([cx - bar[0]/2, cy0, dz + bar_z_slop])
882 cube([bar[0], cy1-cy0, bar[1] - bar_z_slop]);
884 for (endy=[cy0,cy1]) {
886 translate([cx,endy,dz]){
888 for (rot=[45:90:315]) rotate(rot) {
889 translate([legrad,0,0]){
891 cylinder(r= footrad_max, h=1);
892 translate([0,0,-footrad_depth])
893 cylinder(r= footrad_min, h=1);
897 cylinder(r= footrad_min +
898 adj_neg_slop * (footrad_max-footrad_min)/footrad_depth,
903 for (rot=[45,135]) rotate(rot) {
906 translate([s*legrad,0,0])
907 cylinder(r= footrad_max, h=bar[1]);
913 for (rot=[0,180]) rotate(rot) {
914 translate([ straphole_x_max - strap[0]/2, 0,0 ])
915 cube(concat(strap,[20]), center=true);
922 module FitTest_RearCurve(){ ////toplevel
924 FitTest_general([100,0], [180,100]);
925 FitTest_PairLink(true);
930 module FitTest_FrontCurve(){ ////toplevel
936 translate([0,0,-8]) linear_extrude(height=18) {
937 translate(p0) square(sz);
938 translate(teststrapslots_at[3])
939 scale(2* [ teststrap_peg[0], teststrap[1] ])
943 FitTest_PairLink(true);
948 module FitTest_Entire(){ ////toplevel
951 szfront = [243,szrear[1]];
953 FitTest_general(p0, szrear, dobrace=true, bracexx=0);
954 FitTest_PairLink(true);
955 translate(concat(p0,[0]) + [szfront[0],-10,-40])
956 cube([100, -p0[1], 80]);
961 translate(concat(p0,[-20])) cube(concat(szrear,[40]));
963 FitTest_FrontCurve();
966 module FitTest_EntireDemo(){ ////toplevel
971 module FitTest_EndEnd(){ ////toplevel
976 FitTest_general(p0, sz);
977 translate([ p0[0] -1, p0[1]+sz2[1], -10])
978 cube([ sz2[0] +1, 50, 20 ]);
982 module FitTest_PairDemo(){ ////toplevel
986 %FitTest_FrontCurve();
987 %FitTest_RearCurve();
993 FitTest_FrontCurve();
996 #FitTest_PairLink(true);
1002 module RoundCornerDemo_plat(cnr){
1003 mirror([0,0,1]) linear_extrude(height=1) polygon(cnr);
1006 module RoundCornerDemo(){ ////toplevel
1007 cnr = [ [-2,-3], [13,-3], [-12,9] ];
1008 translate([0,25,0]) RoundCornerDemo_plat(cnr);
1009 translate([25,0,0]) RoundCornerAdd(cnr);
1010 translate([-25,0,0]) RoundCornerCut(cnr);
1011 translate([0,-25,0]) RoundCorner_selector(cnr, 0);
1013 RoundCornerDemo_plat(cnr);
1014 RoundCornerCut(cnr);
1016 RoundCornerAdd(cnr);
1019 module Demo(){ ////toplevel
1020 translate(demo_slop*[-2,1]) color("blue") Tile12();
1021 translate(demo_slop*[-2,0]) color("red") Tile02();
1022 translate(demo_slop*[-2,1]) color("orange") Tile11();
1023 translate(demo_slop*[-2,0]) color("purple") Tile01();
1024 translate(demo_slop*[-3,1]) color("blue") Tile10();
1025 translate(demo_slop*[-3,0]) color("red") Tile00();
1033 //Machine_NewRearProfile();
1034 //Machine_NewRearCurve();
1035 //Machine_NewFrontProfile();
1036 //Machine_NewEndProfile();
1037 //Machine_NewEndProfileDemo();
1041 //MachineEnvelope();