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_NewRearCurve(){
462 slant = atan2(4,210-10);
464 translate([0,0, rearcurve_double_inrad]) rotate([slant,0,0]){
465 translate([ rearcurve_double_inrad,
467 -rearcurve_double_inrad + 10 ]){
468 rotate([180,0,0]) rotate([0,0,90]) linear_extrude(height=30){
470 Machine_NewRearProfile();
471 translate([0,-100]) Machine_NewRearProfile();
475 rotate([0,90,0]) rotate([90,0,0]) {
477 rotate_extrude(convexity=10, $fn=64)
479 translate([ 0, -rearcurve_double_inrad ])
480 Machine_NewRearProfile();
481 translate([0,0,-500])
482 cube([500,500,1000]);
485 translate([1,0,-rearcurve_double_inrad])
486 rotate([0,-90,0]) rotate([0,0,-90])
487 linear_extrude(height= rearcurve_strt_len + 1)
488 Machine_NewRearProfile();
492 module Machine_Curves(){ ////toplevel
493 translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
497 translate([ -reartablet_x,
499 -reartablet_z + tablet_z_slop])
501 cube([ reartablet_x+1,
505 translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
507 frontcurve_z_slop ]){
508 translate([0, -machine_rear_to_front, 0])
509 multmatrix([[1, -frontcurve_side_skew, 0, 0],
513 mirror([1,0,0]) rotate([0,-90,0])rotate([0,0,-90])
514 linear_extrude(height= 200)
515 Machine_NewFrontProfile();
517 translate([ rearcurve_strt_len,
520 Machine_NewRearCurve();
525 module TestStrapSlots(){
526 pegwidth = teststrap_peg[0];
527 for (pos = teststrapslots_at) {
529 translate(concat(pos,[0]))
530 for (mx = [0,1]) mirror([mx,0,0]) {
531 translate([ pegwidth/2, -teststrap[1]/2, -20 ])
532 cube(concat(teststrap,[40]));
537 module TestStrapPeg_any(l){ cube(concat([l],teststrap_peg)); }
539 module TestStrapPeg_Short(){ ////toplevel
540 TestStrapPeg_any(35);
543 module TestStrapPeg_Long(){ ////toplevel
544 TestStrapPeg_any(60);
547 module Machine(){ ////toplevel
554 module MachineEnvelope(){
556 p_arm_bl = [-cutout_tile11_x, -cutout_tile01_y];
557 y_arm_t = cutout_tile11_y;
558 p_crv_fl = p_arm_bl + [rearedge_len, -frontcurve_avoid_y];
559 y_crv_b = y_arm_t + rearcurve_avoid_y;
561 translate([0,0,-50]) linear_extrude(height= 100){
562 translate(p_arm_bl) square([400, y_arm_t] - p_arm_bl);
563 translate(p_crv_fl) square([400, y_crv_b] - p_crv_fl);
567 function Rectangle_corners(c0, sz) =
568 // returns the corners of a rectangle from c0 to c0+sz
569 // if sz is positive, the corners are anticlockwise starting with c0
572 c0 + [ sz[0], sz[1] ],
575 function Rectangle_corners2posts(c) =
581 module Rectangle_TileBase(c) { TileBase(c[0], c[2]); }
583 function Posts_interpolate_one(c0,c1) = [c0, (c0+c1)/2, c1];
585 module Tile02(){ ////toplevel
587 c0 = tile02_tr + -sz;
588 c = Rectangle_corners(c0, sz);
589 posts = Rectangle_corners2posts(c);
593 Rectangle_TileBase(c);
595 RoundEdge(R_EDGE(c,0));
596 RoundEdge(R_EDGE(c,3));
597 InterlockEdge(R_EDGE(c,2), 0);
599 InterlockEdge(R_EDGE(c,1), 1);
605 module Tile12(){ ////toplevel
607 c0 = tile02_tr + [-sz[0], 0];
608 c = Rectangle_corners(c0, sz);
609 posts = Rectangle_corners2posts(c);
613 Rectangle_TileBase(c);
615 RoundEdge(R_EDGE(c,2));
616 RoundEdge(R_EDGE(c,3));
618 InterlockEdge(R_EDGE(c,0), 1);
619 InterlockEdge(R_EDGE(c,1), 1);
625 tile_01_11_cnr = tile01_tr + [-cutout_tile11_x, 0];
626 tile_11_10_cnr = tile01_tr + [0, cutout_tile11_y];
627 tile_01_00_cnr = tile01_tr - [0, cutout_tile01_y];
629 module Tile11(){ ////toplevel
631 c0 = tile01_tr + [-sz[0],0];
632 c = Rectangle_corners(c0, sz);
633 cnr_posts = Rectangle_corners2posts(c);
635 Posts_interpolate_one(cnr_posts[0],
636 cnr_posts[1] - [cutout_tile11_x, 0]),
637 [ cnr_posts[1] + [0, cutout_tile11_y],
643 Rectangle_TileBase(c);
645 RoundEdge(R_EDGE(c,2));
646 InterlockEdge(R_EDGE(c,3));
648 InterlockEdge(c[0], tile_01_11_cnr, 1);
649 InterlockEdge(tile_11_10_cnr, c[2], 1);
654 module Tile01(){ ////toplevel
656 c0 = tile01_tr + -sz;
657 c = Rectangle_corners(c0, sz);
658 cnr_posts = Rectangle_corners2posts(c);
660 Posts_interpolate_one(R_EDGE(cnr_posts,0)),
661 [ cnr_posts[2] + [0, -cutout_tile01_y] ],
662 Posts_interpolate_one(cnr_posts[2] - [cutout_tile11_x, 0],
667 Rectangle_TileBase(c);
669 RoundEdge(R_EDGE(c,0));
670 InterlockEdge(tile_01_11_cnr, c[3]);
671 InterlockEdge(R_EDGE(c,3));
673 InterlockEdge(c[1], tile_01_00_cnr, 1);
678 module Tile10(){ ////toplevel
680 c0 = tile01_tr + [0,0];
681 c = Rectangle_corners(c0, sz);
682 cnr_posts = Rectangle_corners2posts(c);
683 cty = cutout_tile11_y;
684 rcy = cty + rearcurve_avoid_y;
685 posts = [ cnr_posts[0] + [ 0, cty ],
686 cnr_posts[1] + [ -sz[0] + rearedge_len - cutout_l_end_x, cty ],
687 cnr_posts[1] + [ 0, rcy ],
693 Rectangle_TileBase(c);
695 RoundEdge(R_EDGE(c,1));
696 RoundEdge(R_EDGE(c,2));
697 InterlockEdge(c[3], tile_11_10_cnr);
705 module Tile00(){ ////toplevel
707 c0 = tile01_tr + [0,-sz[1]];
708 c = Rectangle_corners(c0, sz);
710 // the edge c[1]..c[2] needs a diagonal chunk, from c1bis to c2bis
711 c2bis = [ -cutout_l_end_x + rearedge_len + frontcurve_strt_len, c[2][1] ];
714 (c[2][0] - c2bis[0]) * tan(90 - frontcurve_dualcurve_angle) ];
716 cnr_posts = Rectangle_corners2posts(c);
717 cty = cutout_tile01_y;
718 rcy = cty + frontcurve_avoid_y;
719 posts = [ cnr_posts[0],
721 cnr_posts[2] + [ 0, -rcy ],
722 cnr_posts[2] + [ -sz[0] + rearedge_len - cutout_l_end_x, -cty ],
723 cnr_posts[3] + [ 0, -cty ]
726 rc2 = [c1bis,c2bis,c[1]];
731 Rectangle_TileBase(c);
733 RoundEdge(R_EDGE(c,0));
734 RoundEdge(c[1], c1bis);
735 InterlockEdge(tile_01_00_cnr, c[0]);
738 translate([0,0,-20]) linear_extrude(height=40) {
739 polygon([ c1bis, c1bis + [50,0], c2bis + [50,0], c2bis ]);
742 RoundEdge(c1bis, c2bis);
751 module FitTest_general(c0,sz, dobrace=false, bracexx=0){
752 c = Rectangle_corners(c0, sz);
754 bsz = sz + [bracexx,0,0];
757 Rectangle_TileBase(c);
759 translate(concat(c0, [-brace[2] + 0.1])){
761 cube(concat(bsz, [brace[2]]) - [5,0,0]);
762 translate(brace + [0,0, -25])
763 cube(concat(bsz, [50]) - brace*2 + [10,0,0]);
767 RoundEdge(R_EDGE(c,1));
773 module FitTest_PairLink(cut=false){ ////toplevel
774 cy0=-55; cy1=85; cx=132;
777 footrad_min = 1; footrad_max = 4; footrad_depth = 5;
783 straphole_x_max = legrad/sqrt(2) + footrad_max;
784 dz = cut ? adj_neg_slop : 0;
786 translate([cx - bar[0]/2, cy0, dz + bar_z_slop])
787 cube([bar[0], cy1-cy0, bar[1] - bar_z_slop]);
789 for (endy=[cy0,cy1]) {
791 translate([cx,endy,dz]){
793 for (rot=[45:90:315]) rotate(rot) {
794 translate([legrad,0,0]){
796 cylinder(r= footrad_max, h=1);
797 translate([0,0,-footrad_depth])
798 cylinder(r= footrad_min, h=1);
802 cylinder(r= footrad_min +
803 adj_neg_slop * (footrad_max-footrad_min)/footrad_depth,
808 for (rot=[45,135]) rotate(rot) {
811 translate([s*legrad,0,0])
812 cylinder(r= footrad_max, h=bar[1]);
818 for (rot=[0,180]) rotate(rot) {
819 translate([ straphole_x_max - strap[0]/2, 0,0 ])
820 cube(concat(strap,[20]), center=true);
827 module FitTest_RearCurve(){ ////toplevel
829 FitTest_general([100,0], [180,100]);
830 FitTest_PairLink(true);
835 module FitTest_FrontCurve(){ ////toplevel
841 translate([0,0,-8]) linear_extrude(height=18) {
842 translate(p0) square(sz);
843 translate(teststrapslots_at[3])
844 scale(2* [ teststrap_peg[0], teststrap[1] ])
848 FitTest_PairLink(true);
853 module FitTest_Entire(){ ////toplevel
856 szfront = [243,szrear[1]];
858 FitTest_general(p0, szrear, dobrace=true, bracexx=0);
859 FitTest_PairLink(true);
860 translate(concat(p0,[0]) + [szfront[0],-10,-40])
861 cube([100, -p0[1], 80]);
866 translate(concat(p0,[-20])) cube(concat(szrear,[40]));
868 FitTest_FrontCurve();
871 module FitTest_EntireDemo(){ ////toplevel
876 module FitTest_EndEnd(){ ////toplevel
881 FitTest_general(p0, sz);
882 translate([ p0[0] -1, p0[1]+sz2[1], -10])
883 cube([ sz2[0] +1, 50, 20 ]);
887 module FitTest_PairDemo(){ ////toplevel
891 %FitTest_FrontCurve();
892 %FitTest_RearCurve();
898 FitTest_FrontCurve();
901 #FitTest_PairLink(true);
907 module RoundCornerDemo_plat(cnr){
908 mirror([0,0,1]) linear_extrude(height=1) polygon(cnr);
911 module RoundCornerDemo(){ ////toplevel
912 cnr = [ [-2,-3], [13,-3], [-12,9] ];
913 translate([0,25,0]) RoundCornerDemo_plat(cnr);
914 translate([25,0,0]) RoundCornerAdd(cnr);
915 translate([-25,0,0]) RoundCornerCut(cnr);
916 translate([0,-25,0]) RoundCorner_selector(cnr, 0);
918 RoundCornerDemo_plat(cnr);
924 module Demo(){ ////toplevel
925 translate(demo_slop*[-2,1]) color("blue") Tile12();
926 translate(demo_slop*[-2,0]) color("red") Tile02();
927 translate(demo_slop*[-2,1]) color("orange") Tile11();
928 translate(demo_slop*[-2,0]) color("purple") Tile01();
929 translate(demo_slop*[-3,1]) color("blue") Tile10();
930 translate(demo_slop*[-3,0]) color("red") Tile00();
938 //Machine_NewRearProfile();
939 //Machine_NewRearCurve();
940 //Machine_NewFrontProfile();