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
58 rearcurve_strt_len = 52;
60 rearcurve_z_slop = -0.50;
62 rearcurve_avoid_y = 35;
64 rearcurve_double_inrad = 26.10 + 8.04;
70 frontcurve_side_skew = 3.5 / 72;
71 frontcurve_avoid_y = 70;
72 frontcurve_z_slop = 0.75;
74 frontcurve_strt_len = 50;
75 frontcurve_dualcurve_angle = 30;
77 teststrapslots_at = [ [ 110, 70 ], [ 110, -35 ],
79 [ 190, -80 ], // do not change index of this one
80 [ 0, 70 ], [ 0, -35 ],
84 teststrap_peg = [7.5, 3.5];
90 ply_edge_hole_dist = ply_edge_min + ply_hole_dia/2;
92 echo(str("HOLES IN PLY ctr dist from PLY edge = ", ply_edge_hole_dist));
94 hole_slop = (ply_hole_dia - post_dia)/2;
95 tile_hard_edge_hole_dist = ply_edge_hole_dist + hole_slop;
97 echo(str("HOLES IN PLY ctr dist from TILE HARD edge = ",
98 tile_hard_edge_hole_dist));
100 echo(str("HOLES IN PLY ctr dist from TILE ROUND edge = ",
101 tile_hard_edge_hole_dist + round_edge_rad));
103 thehd = [ tile_hard_edge_hole_dist, tile_hard_edge_hole_dist ];
105 thehd_tl = [ -thehd_tr[0], thehd_tr[1] ];
106 thehd_bl = -thehd_tr;
107 thehd_br = -thehd_tl;
109 tablet_z_slop = 0.25;
111 interlock_rad = interlock_dia/2;
112 interlock_negative_rad = interlock_rad + 0.125;
114 interlock_sq_adj = 0.2; // arbitrary
116 m4_define(`POST_TCROSSSZ',
117 `2*( tile_hard_edge_hole_dist - test_edge + 1 )')
122 cylinder(r= post_dia/2, h= tile_th + ply_th - post_shorter);
123 translate([0,0, tile_th]) {
124 cylinder(r= screw_big_dia/2, h= screw_big_len);
125 cylinder(r= screw_dia/2, h= ply_th, $fn=20);
129 translate([0,0, tile_th/2]) {
130 cube([post_dia, POST_TCROSSSZ, tile_th], center=true);
131 cube([POST_TCROSSSZ, post_dia, tile_th], center=true);
137 module Posts(posts) {
139 translate(concat(p, [0]))
144 module TileBase(botleft, topright){
145 size = topright - botleft;
146 botleft_post = botleft + thehd_tr;
147 topright_post = topright + thehd_bl;
150 translate(concat(botleft, [0]))
151 cube(concat(size, [tile_th]));
153 cidsz = topright_post-botleft_post
154 + [-post_dia,-post_dia]
156 cidszr = [ min(cidsz[0],50), min(cidsz[1],50) ];
157 echo("CID",cidsz,cidszr);
158 translate( concat(botleft_post, [ -tile_th ])
159 + 0.5 * [ post_dia, post_dia, 0 ]
160 + 0.5 * concat( cidsz - cidszr, [ 0 ]) )
161 Commitid_BestCount_M(cidszr);
164 crossoff = tile_hard_edge_hole_dist + POST_TCROSSSZ/2;
165 cidsz = [ thehd[0], size[1] - 2*crossoff ];
166 cidszr = [ cidsz[0], min(cidsz[1], 50) ];
167 translate( concat(botleft + [0, crossoff] + (cidsz-cidszr)/2, [0]) )
168 Commitid_BestCount(cidszr);
171 translate(concat(botleft + [test_edge,test_edge], [test_tile_th]))
172 cube(concat(size - [test_edge,test_edge]*2, [tile_th]));
173 translate(concat(botleft_post, [-1]))
174 cube(concat(topright_post-botleft_post, [tile_th+2]));
176 shufflesz = max(test_edge, tile_hard_edge_hole_dist)*2;
179 cube(shufflesz, center=true);
187 m4_dnl c is from Rectangle_corners and
188 m4_dnl ix is a corner number
189 m4_dnl expands to two comma-separated corners:
190 m4_dnl that denoted by ix, and the next one anticlockwise
191 m4_define(`R_EDGE',`$1[$2], $1[(($2)+1)%4]')
194 m4_dnl c is from Rectangle_corners and
195 m4_dnl ix is a corner number
196 m4_dnl expands to an array of corners as for RoundCorner
197 m4_define(`R_CNR',`[ $1[$2], $1[(($2)+1)%4], $1[(($2)+3)%4] ]')
199 m4_dnl INREFFRAME(left_cnr, right_cnr, morevars) { body; }
200 m4_define(`INREFFRAME',`
201 length_vec = ($2) - ($1);
202 length = dist2d([0,0], length_vec);
203 length_uvec = length_vec / length;
204 ortho_uvec = [ -length_uvec[1], length_uvec[0] ];
205 m = [ [ length_uvec[0], ortho_uvec[0], 0, ($1)[0], ],
206 [ length_uvec[1], ortho_uvec[1], 0, ($1)[1], ],
213 m4_dnl INREFFRAME(left_cnr, right_cnr, morevars)
214 m4_dnl INREFFRAME_EDGE { body; }
215 m4_define(`INREFFRAME_EDGE',`
216 translate([0,0, -round_edge_rad])
219 module RoundEdge(left_cnr, right_cnr) {
220 INREFFRAME(left_cnr, right_cnr)
224 cylinder(r= round_edge_rad, h= length, $fn=50);
225 translate([-1, 0, -20])
226 cube([length+2, 20, 20]);
231 m4_define(`ROUNDCORNER_VARS',`
235 bigr= round_cnr_rad - round_edge_rad;
236 l_uvec = unitvector2d(left_cnr - this_cnr);
237 r_uvec = unitvector2d(right_cnr - this_cnr);
238 lp1 = left_cnr + clockwise2d(l_uvec) * bigr;
239 lp2 = this_cnr + clockwise2d(l_uvec) * bigr;
240 lp3 = this_cnr - clockwise2d(r_uvec) * bigr;
241 lp4 = right_cnr - clockwise2d(r_uvec) * bigr;
242 ctr = line_intersection_2d(lp1,lp2,lp3,lp4);
243 ctr3 = concat(ctr,[0])
246 module RoundCorner_selector(ci, adj) {
250 INREFFRAME(ctr3,concat(lp1,[4])){
251 translate([0,0,-bigr]) linear_extrude(height=bigr*2) {
252 translate([-bigr*2 + adj, -bigr])
253 square([bigr*2, bigr*3]);
258 INREFFRAME(ctr3,concat(lp4,[0])){
259 translate([0,0,-bigr]) linear_extrude(height=bigr*2) {
260 translate([-bigr*2, -bigr*2])
261 square([bigr*2 + adj, bigr*3]);
268 module RoundCornerCut(ci) {
269 // ci should be [this_cnr, right_cnr, left_cnr]
270 // where right_cnr is to the right (ie, anticlockwise)
273 RoundCorner_selector(ci, -0.1);
275 cylinder(center=true, h=20, r= bigr);
279 module RoundCornerAdd(ci) {
282 RoundCorner_selector(ci, +0.1);
285 rotate_extrude(convexity=10, $fn=50)
288 circle(r= round_edge_rad, $fn=50);
297 module InterlockLobePlan(negative) {
298 r = negative ? interlock_negative_rad : interlock_rad;
299 ymir = negative ? 0 : 1;
303 translate([thehd[0], 0]){
307 translate([-dx, -0.1])
308 square([ dx*2, r/2 + 0.1 ]);
310 translate([ xi*dx, r ])
318 module InterlockEdgePlan(negative, nlobes, length, dosquare=true) {
319 for (lobei = [ 0 : nlobes-1 ]) {
320 lobex = (length - thehd[0]*2) * (lobei ? lobei / (nlobes-1) : 0);
321 translate([lobex, 0, 0]) {
322 InterlockLobePlan(negative);
328 slotshorter = negative ? -0.1 : interlock_fine_lenslop;
329 mirror([0, negative])
330 translate([slotshorter, iadj])
331 square([length - slotshorter*2, interlock_fine + iadj*2]);
335 module InterlockEdge(left_cnr, right_cnr, negative=0, nlobes=2) {
336 plusth = negative * 1.0;
337 protr = interlock_fine + interlock_sq_adj;
340 z1 = -tile_th/2 - protr / interlock_fine_slope;
341 z3 = -tile_th/2 + protr / interlock_fine_slope;
343 negsign = negative ? -1 : +1;
344 yprotr = negsign * protr;
346 INREFFRAME(left_cnr, right_cnr) {
347 for (vsect = [ // zs0 zs1 ys0, ys1
348 [ -tile_th-plusth, plusth, 0, 0],
349 [ z1, z2, 0, yprotr],
350 [ z2, z3, yprotr, 0],
360 [ 0,1, -sl, -ys0 + negsign*interlock_sq_adj ],
364 linear_extrude(height=zsd, convexity=10)
365 InterlockEdgePlan(negative, nlobes, length, !!ysd);
370 function TestPiece_holes2corners(holes) =
371 [ holes[0] + thehd_bl,
374 holes[0] + thehd_tl ];
376 module TestPiece1(){ ////toplevel
380 corners = TestPiece_holes2corners(holes);
381 rcs = R_CNR(corners,0);
384 TileBase(corners[0], corners[2]);
386 RoundEdge(corners[0], corners[1]);
387 RoundEdge(corners[3], corners[0]);
389 InterlockEdge(corners[1], corners[2], 1, nlobes=1);
395 module TestPiece2(){ ////toplevel
399 corners = TestPiece_holes2corners(holes);
400 TileBase(corners[0], corners[2]);
402 RoundEdge(corners[0], corners[1]);
403 InterlockEdge(corners[3], corners[0], 0, nlobes=1);
406 module TestDemo(){ ////toplevel
407 translate([ -thehd[0], 0 ])
410 translate([ +thehd[0] + demo_slop, 0 ])
414 module Machine_Arm(){
415 ysz = cutout_l_end_y_total;
416 // assume the round end is arc of a circle
417 chordlen = dist2d([0,0], [ cutout_l_end_y, cutout_l_end_curve ]);
418 endrad = cutout_l_end_y / cutout_l_end_curve * chordlen;
420 translate([0,0,-30]) linear_extrude(height=60) {
421 translate(tile01_tr + [0, (-cutout_tile01_y + cutout_tile11_y)/2]) {
423 translate([-50, -ysz/2])
425 translate([ endrad - cutout_tile11_x - cutout_l_end_x_slop, 0 ])
426 circle(r=endrad, $fa=0.01,$fd=5);
432 module Machine_NewRearProfile(){
433 // figures copied out of xfig edit boxes
434 // best not to edit the posbox size if poss - just move it
435 posbox = 10 * ([7.2333,-14.1267] - [-16.2289,40.0289]); // box, Green
436 sideline = -10 * ([-6.2400,13.5600] - [-2.4467,28.2556]); // line, Blue
437 scaleline = 10 * dist2d([-1.1911,-20.4800], [-11.2600,4.0578]); // Green2
438 scaleline_mm = 12+5+10+5+3;
439 sh = -[abs(posbox[0]), abs(posbox[1])];
440 rot = atan2(-sideline[0], sideline[1]);
441 sc = scaleline_mm / scaleline;
442 //echo("SH",sh,rot,sc);
443 scale(sc) rotate(rot) translate(sh){
444 import("sewing-table-rear-profile.dxf", convexity=10); // spline, Pink3
448 module Machine_NewFrontProfile(){
449 // figures copied out of xfig edit boxes
450 // best not to edit the posbox size if poss - just move it
451 posbox = 10 * ([11.8022,8.0600] - [4.2044,19.1867]); // box, Green
452 refline = 10 * ([7.6778,16.7222] - [27.8689,17.6578]); // line, Blue
453 refline_mm = (11-1)*10;
454 sh = -[abs(posbox[0]), abs(posbox[1])];
455 rot = atan2(-refline[0], refline[1]);
456 sc = refline_mm / vectorlen2d(refline);
457 //echo("SH",sh,rot,sc);
458 mirror([1,0]) scale(sc) rotate(rot+90) translate(sh){
459 import("sewing-table-front-profile.dxf", convexity=10); // spline, Pink3
463 module Machine_NewEndProfile(){
464 // figures copied out of xfig edit boxes
465 // NB that y coords are reversed - xfig origin is at bottom left
466 posboxs = 10 * [[4.0400,17.7956], [11.6622,32.5511]]; // box, Pink3
467 refline = 10 * ([8.4000,22.6000] - [50.3000,22.2000]); // line, Blue
468 refline_mm = 10 * (11 - 2.5);
469 sidelines = 10 * [[[9.0889,20.6178], [8.9644,14.6889]],
470 [[50.3800,21.9578], [50.1933,14.4933]]]; // lines, Blue3
471 baseline = 10 * [[8.4000,18.0822], [50.3000,17.6822]]; // line, Green2
475 posbox = [min(posboxs[0][0],posboxs[1][0]),
476 max(posboxs[0][1],posboxs[1][1])];
478 m4_define(`MNEP_ELP',
479 `line_intersection_2d(baseline[0],baseline[1],
480 sidelines[$1][0],sidelines[$1][1])')
481 endline = [MNEP_ELP(0),MNEP_ELP(1)];
483 rot = atan2(-refline[1], -refline[0]);
484 sc = refline_mm / vectorlen2d(refline);
485 sh = (0.5 * (endline[0] + endline[1])) - posbox;
487 ellen = sc * dist2d(endline[0],endline[1]);
488 scy = cutout_l_end_y_total / ellen;
490 scale([scy,1]) scale(sc) rotate(rot + rot_adj) translate(-[sh[0],-sh[1]]){
493 //%translate(1 * (posboxs[0] - posbox)) square(50);
494 //%translate(1 * (posboxs[1] - posbox)) square(50);
495 // %translate(1 * (baseline[0] - posbox)) square([50,10]);
497 // %translate(1 * (endline[0] - posbox)) square([50,10]);
498 // %translate(1 * (endline[1] - posbox)) square([50,10]);
500 // %translate(1 * (sidelines[0][0] - posbox)) square([10,50]);
501 // %translate(1 * (sidelines[0][1] - posbox)) square([10,50]);
502 // %translate(1 * (sidelines[1][0] - posbox)) square([10,50]);
503 // %translate(1 * (sidelines[1][1] - posbox)) square([10,50]);
506 import("sewing-table-end-profile.dxf", convexity=10); // spline, Pink3
510 module Machine_NewEndProfileDemo(){ ////toplevel
511 translate([0,5,0]) Machine_NewEndProfile();
512 translate([0,5,1]) color("blue") mirror([1,0]) Machine_NewEndProfile();
514 translate([0,5, 0]) Machine_NewEndProfile();
515 translate([0,5,-1]) color("blue") mirror([1,0]) Machine_NewEndProfile();
519 module Machine_NewArm(){
520 translate([0,0,-30]) linear_extrude(height=60) {
521 translate(tile01_tr + [ -cutout_l_end_x + cutout_l_end_new_x_slop,
522 (-cutout_tile01_y + cutout_tile11_y)/2 ]){
526 translate([0,d]) Machine_NewEndProfile();
533 module Machine_NewRearCurve(){
534 slant = atan2(4,210-10);
536 translate([0,0, rearcurve_double_inrad]) rotate([slant,0,0]){
537 translate([ rearcurve_double_inrad,
539 -rearcurve_double_inrad + 10 ]){
540 rotate([180,0,0]) rotate([0,0,90]) linear_extrude(height=30){
542 Machine_NewRearProfile();
543 translate([0,-100]) Machine_NewRearProfile();
547 rotate([0,90,0]) rotate([90,0,0]) {
549 rotate_extrude(convexity=10, $fn=64)
551 translate([ 0, -rearcurve_double_inrad ])
552 Machine_NewRearProfile();
553 translate([0,0,-500])
554 cube([500,500,1000]);
557 translate([1,0,-rearcurve_double_inrad])
558 rotate([0,-90,0]) rotate([0,0,-90])
559 linear_extrude(height= rearcurve_strt_len + 1)
560 Machine_NewRearProfile();
564 module Machine_Curves(){ ////toplevel
565 translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
569 translate([ -reartablet_x,
571 -reartablet_z + tablet_z_slop])
573 cube([ reartablet_x+1,
577 translate([ tile01_tr[0] - cutout_l_end_x + frontedge_len,
579 frontcurve_z_slop ]){
580 translate([0, -machine_rear_to_front, 0])
581 multmatrix([[1, -frontcurve_side_skew, 0, 0],
585 mirror([1,0,0]) rotate([0,-90,0])rotate([0,0,-90])
586 linear_extrude(height= 200)
587 Machine_NewFrontProfile();
589 translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
591 frontcurve_z_slop ]){
592 translate([ rearcurve_strt_len,
595 Machine_NewRearCurve();
600 module TestStrapSlots(){
601 pegwidth = teststrap_peg[0];
602 for (pos = teststrapslots_at) {
604 translate(concat(pos,[0]))
605 for (mx = [0,1]) mirror([mx,0,0]) {
606 translate([ pegwidth/2, -teststrap[1]/2, -20 ])
607 cube(concat(teststrap,[40]));
612 module TestStrapPeg_any(l){ cube(concat([l],teststrap_peg)); }
614 module TestStrapPeg_Short(){ ////toplevel
615 TestStrapPeg_any(35);
618 module TestStrapPeg_Long(){ ////toplevel
619 TestStrapPeg_any(60);
622 module Machine(){ ////toplevel
629 module MachineEnvelope(){
631 p_arm_bl = [-cutout_l_end_x, -cutout_tile01_y];
632 y_arm_t = cutout_tile11_y;
633 p_crv_fl = p_arm_bl + [frontedge_len, -frontcurve_avoid_y];
634 y_crv_b = y_arm_t + rearcurve_avoid_y;
636 translate([0,0,-50]) linear_extrude(height= 100){
637 translate(p_arm_bl) square([400, y_arm_t] - p_arm_bl);
638 translate(p_crv_fl) square([400, y_crv_b] - p_crv_fl);
642 function Rectangle_corners(c0, sz) =
643 // returns the corners of a rectangle from c0 to c0+sz
644 // if sz is positive, the corners are anticlockwise starting with c0
647 c0 + [ sz[0], sz[1] ],
650 function Rectangle_corners2posts(c) =
656 module Rectangle_TileBase(c) { TileBase(c[0], c[2]); }
658 function Posts_interpolate_one(c0,c1) = [c0, (c0+c1)/2, c1];
660 module Tile02(){ ////toplevel
662 c0 = tile02_tr + -sz;
663 c = Rectangle_corners(c0, sz);
664 posts = Rectangle_corners2posts(c);
668 Rectangle_TileBase(c);
670 RoundEdge(R_EDGE(c,0));
671 RoundEdge(R_EDGE(c,3));
672 InterlockEdge(R_EDGE(c,2), 0);
674 InterlockEdge(R_EDGE(c,1), 1);
680 module Tile12(){ ////toplevel
682 c0 = tile02_tr + [-sz[0], 0];
683 c = Rectangle_corners(c0, sz);
684 posts = Rectangle_corners2posts(c);
688 Rectangle_TileBase(c);
690 RoundEdge(R_EDGE(c,2));
691 RoundEdge(R_EDGE(c,3));
693 InterlockEdge(R_EDGE(c,0), 1);
694 InterlockEdge(R_EDGE(c,1), 1);
700 tile_01_11_cnr = tile01_tr + [-cutout_l_end_x, 0];
701 tile_11_10_cnr = tile01_tr + [0, cutout_tile11_y];
702 tile_01_00_cnr = tile01_tr - [0, cutout_tile01_y];
704 module Tile11(){ ////toplevel
706 c0 = tile01_tr + [-sz[0],0];
707 c = Rectangle_corners(c0, sz);
708 cnr_posts = Rectangle_corners2posts(c);
710 Posts_interpolate_one(cnr_posts[0],
711 cnr_posts[1] - [cutout_l_end_x, 0]),
712 [ cnr_posts[1] + [0, cutout_tile11_y],
718 Rectangle_TileBase(c);
720 RoundEdge(R_EDGE(c,2));
721 InterlockEdge(R_EDGE(c,3));
723 InterlockEdge(c[0], tile_01_11_cnr, 1);
724 InterlockEdge(tile_11_10_cnr, c[2], 1);
729 module Tile01(){ ////toplevel
731 c0 = tile01_tr + -sz;
732 c = Rectangle_corners(c0, sz);
733 cnr_posts = Rectangle_corners2posts(c);
735 Posts_interpolate_one(R_EDGE(cnr_posts,0)),
736 [ cnr_posts[2] + [0, -cutout_tile01_y] ],
737 Posts_interpolate_one(cnr_posts[2] - [cutout_l_end_x, 0],
742 Rectangle_TileBase(c);
744 RoundEdge(R_EDGE(c,0));
745 InterlockEdge(tile_01_11_cnr, c[3]);
746 InterlockEdge(R_EDGE(c,3));
748 InterlockEdge(c[1], tile_01_00_cnr, 1);
753 module Tile10(){ ////toplevel
755 c0 = tile01_tr + [0,0];
756 c = Rectangle_corners(c0, sz);
757 cnr_posts = Rectangle_corners2posts(c);
758 cty = cutout_tile11_y;
759 rcy = cty + rearcurve_avoid_y;
760 posts = [ cnr_posts[0] + [ 0, cty ],
761 cnr_posts[1] + [ -sz[0] + rearedge_len - cutout_l_end_x, cty ],
762 cnr_posts[1] + [ 0, rcy ],
768 Rectangle_TileBase(c);
770 RoundEdge(R_EDGE(c,1));
771 RoundEdge(R_EDGE(c,2));
772 InterlockEdge(c[3], tile_11_10_cnr);
780 module Tile00(){ ////toplevel
782 c0 = tile01_tr + [0,-sz[1]];
783 c = Rectangle_corners(c0, sz);
785 // the edge c[1]..c[2] needs a diagonal chunk, from c1bis to c2bis
786 c2bis = [ -cutout_l_end_x + frontedge_len + frontcurve_strt_len, c[2][1] ];
789 (c[2][0] - c2bis[0]) * tan(90 - frontcurve_dualcurve_angle) ];
791 cnr_posts = Rectangle_corners2posts(c);
792 cty = cutout_tile01_y;
793 rcy = cty + frontcurve_avoid_y;
794 posts = [ cnr_posts[0],
796 cnr_posts[2] + [ 0, -rcy ],
797 cnr_posts[2] + [ -sz[0] + frontedge_len - cutout_l_end_x, -cty ],
798 cnr_posts[3] + [ 0, -cty ]
801 rc2 = [c1bis,c2bis,c[1]];
806 Rectangle_TileBase(c);
808 RoundEdge(R_EDGE(c,0));
809 RoundEdge(c[1], c1bis);
810 InterlockEdge(tile_01_00_cnr, c[0]);
813 translate([0,0,-20]) linear_extrude(height=40) {
814 polygon([ c1bis, c1bis + [50,0], c2bis + [50,0], c2bis ]);
817 RoundEdge(c1bis, c2bis);
826 module FitTest_general(c0,sz, dobrace=false, bracexx=0){
827 c = Rectangle_corners(c0, sz);
829 bsz = sz + [bracexx,0,0];
832 Rectangle_TileBase(c);
834 translate(concat(c0, [-brace[2] + 0.1])){
836 cube(concat(bsz, [brace[2]]) - [5,0,0]);
837 translate(brace + [0,0, -25])
838 cube(concat(bsz, [50]) - brace*2 + [10,0,0]);
842 RoundEdge(R_EDGE(c,1));
848 module FitTest_PairLink(cut=false){ ////toplevel
849 cy0=-55; cy1=85; cx=132;
852 footrad_min = 1; footrad_max = 4; footrad_depth = 5;
858 straphole_x_max = legrad/sqrt(2) + footrad_max;
859 dz = cut ? adj_neg_slop : 0;
861 translate([cx - bar[0]/2, cy0, dz + bar_z_slop])
862 cube([bar[0], cy1-cy0, bar[1] - bar_z_slop]);
864 for (endy=[cy0,cy1]) {
866 translate([cx,endy,dz]){
868 for (rot=[45:90:315]) rotate(rot) {
869 translate([legrad,0,0]){
871 cylinder(r= footrad_max, h=1);
872 translate([0,0,-footrad_depth])
873 cylinder(r= footrad_min, h=1);
877 cylinder(r= footrad_min +
878 adj_neg_slop * (footrad_max-footrad_min)/footrad_depth,
883 for (rot=[45,135]) rotate(rot) {
886 translate([s*legrad,0,0])
887 cylinder(r= footrad_max, h=bar[1]);
893 for (rot=[0,180]) rotate(rot) {
894 translate([ straphole_x_max - strap[0]/2, 0,0 ])
895 cube(concat(strap,[20]), center=true);
902 module FitTest_RearCurve(){ ////toplevel
904 FitTest_general([100,0], [180,100]);
905 FitTest_PairLink(true);
910 module FitTest_FrontCurve(){ ////toplevel
916 translate([0,0,-8]) linear_extrude(height=18) {
917 translate(p0) square(sz);
918 translate(teststrapslots_at[3])
919 scale(2* [ teststrap_peg[0], teststrap[1] ])
923 FitTest_PairLink(true);
928 module FitTest_Entire(){ ////toplevel
931 szfront = [243,szrear[1]];
933 FitTest_general(p0, szrear, dobrace=true, bracexx=0);
934 FitTest_PairLink(true);
935 translate(concat(p0,[0]) + [szfront[0],-10,-40])
936 cube([100, -p0[1], 80]);
941 translate(concat(p0,[-20])) cube(concat(szrear,[40]));
943 FitTest_FrontCurve();
946 module FitTest_EntireDemo(){ ////toplevel
951 module FitTest_EndEnd(){ ////toplevel
956 FitTest_general(p0, sz);
957 translate([ p0[0] -1, p0[1]+sz2[1], -10])
958 cube([ sz2[0] +1, 50, 20 ]);
962 module FitTest_PairDemo(){ ////toplevel
966 %FitTest_FrontCurve();
967 %FitTest_RearCurve();
973 FitTest_FrontCurve();
976 #FitTest_PairLink(true);
982 module RoundCornerDemo_plat(cnr){
983 mirror([0,0,1]) linear_extrude(height=1) polygon(cnr);
986 module RoundCornerDemo(){ ////toplevel
987 cnr = [ [-2,-3], [13,-3], [-12,9] ];
988 translate([0,25,0]) RoundCornerDemo_plat(cnr);
989 translate([25,0,0]) RoundCornerAdd(cnr);
990 translate([-25,0,0]) RoundCornerCut(cnr);
991 translate([0,-25,0]) RoundCorner_selector(cnr, 0);
993 RoundCornerDemo_plat(cnr);
999 module Demo(){ ////toplevel
1000 translate(demo_slop*[-2,1]) color("blue") Tile12();
1001 translate(demo_slop*[-2,0]) color("red") Tile02();
1002 translate(demo_slop*[-2,1]) color("orange") Tile11();
1003 translate(demo_slop*[-2,0]) color("purple") Tile01();
1004 translate(demo_slop*[-3,1]) color("blue") Tile10();
1005 translate(demo_slop*[-3,0]) color("red") Tile00();
1013 //Machine_NewRearProfile();
1014 //Machine_NewRearCurve();
1015 //Machine_NewFrontProfile();
1016 //Machine_NewEndProfile();
1017 //Machine_NewEndProfileDemo();
1021 //MachineEnvelope();