demo_slop = 0.1;
+// cutout
+
+machine_rear_to_front = 85;
+
+machine_rear_profile = [
+ [ - 0, -0.00 ],
+ [ - 2, -0.10 ],
+ [ - 4, -0.25 ],
+ [ - 6, -0.50 ],
+ [ - 8, -0.75 ],
+ [ - 10, -1.50 ],
+ [ - 12, -2.25 ],
+ [ - 14, -3.25 ],
+ [ - 16, -4.25 ],
+ [ - 18, -5.75 ],
+ [ - 20, -8.00 ]
+ ];
+
+machine_front_profile = [
+ [ 128, -3.70, ],
+ [ 124, -2.80, ],
+ [ 120, -2.50, ],
+ [ 116, -2.00, ],
+ [ 112, -1.80, ],
+ [ 108, -1.60, ],
+ [ 104, -1.30, ],
+ [ 100, -1.00, ],
+ [ 96, -0.80, ],
+ [ 92, -0.70, ],
+ [ 88, -0.50, ],
+ [ 84, -0.50, ]
+ ];
+
+cutout_l_end_y_front_slop = 0.5;
+cutout_l_end_y_rear_slop = 0.5;
+cutout_l_end_x_slop = 0.25;
+
+cutout_l_end_x = 22;
+cutout_l_end_y = machine_rear_to_front;
+cutout_l_end_curve = 1;
+cutout_l_end_y_total = cutout_l_end_y
+ + cutout_l_end_y_front_slop + cutout_l_end_y_rear_slop;
+
+tile02_tr = [-250, 0];
+tile01_tr = [ 0, 0];
+
+cutout_tile01_y = 170 - 147 + cutout_l_end_y_front_slop;
+cutout_tile11_x = cutout_l_end_x + cutout_l_end_curve;
+cutout_tile11_y = cutout_l_end_y_total - cutout_tile01_y;
+
+// rear curve
+
+rearedge_len = 170;
+
+rearcurve_rad = 25.4;
+rearcurve_strt_len = 65;
+rearcurve_total_len = 84;
+
+rearcurve_rad_slop = 0.75;
+
+rearcurve_avoid_y = rearcurve_rad + 10;
+
+reartablet_z = 2.54;
+reartablet_x = 5 + 1;
+reartablet_y = 5;
+
// calculated
TEST = false;
if (TEST) {
translate( concat(botleft + [thehd[0], 0], [0]) )
Commitid_BestCount([ size[0] - thehd[0]*2, thehd[1] ]);
- mirror([0,0,1]) {
- translate(concat(botleft + [test_edge,test_edge], [test_tile_th]))
- cube(concat(size - [test_edge,test_edge]*2, [tile_th]));
- translate(concat(botleft_post, [-1]))
- cube(concat(topright_post-botleft_post, [tile_th+2]));
+ difference(){
+ mirror([0,0,1]) {
+ translate(concat(botleft + [test_edge,test_edge], [test_tile_th]))
+ cube(concat(size - [test_edge,test_edge]*2, [tile_th]));
+ translate(concat(botleft_post, [-1]))
+ cube(concat(topright_post-botleft_post, [tile_th+2]));
+ }
+ minkowski(){
+ Machine();
+ cube(max(test_edge, tile_hard_edge_hole_dist)*2, center=true);
+ }
}
}
}
translate([ +thehd[0] + demo_slop, 0 ])
TestPiece2();
}
+
+module Machine_Arm(){
+ ysz = cutout_l_end_y_total;
+ // assume the round end is arc of a circle
+ chordlen = dist2d([0,0], [ cutout_l_end_y, cutout_l_end_curve ]);
+ endrad = cutout_l_end_y / cutout_l_end_curve * chordlen;
+
+ translate([0,0,-30]) linear_extrude(height=60) {
+ translate(tile01_tr + [0, (-cutout_tile01_y + cutout_tile11_y)/2]) {
+ intersection(){
+ translate([-100, -ysz/2])
+ square([400, ysz]);
+ translate([ endrad - cutout_tile11_x - cutout_l_end_x_slop, 0 ])
+ circle(r=endrad, $fa=0.01,$fd=5);
+ }
+ }
+ }
+}
+
+module Machine_Profile(){
+ first_rear = machine_rear_profile[0];
+ first_front = machine_front_profile[len(machine_front_profile)-1];
+ below_point = 0.5 * ( first_rear + first_front ) + [ 0, -40 ];
+ pol = concat( machine_rear_profile,
+ [ below_point ],
+ machine_front_profile);
+ skew_angle = atan2( first_front[1] - first_rear[1],
+ first_front[0] - first_rear[0] );
+ echo(below_point, pol, skew_angle);
+ rotate([0,0, -skew_angle ]){
+ polygon(pol);
+ }
+}
+
+module Machine_Rear(){ ////toplevel
+ big_rad = rearcurve_total_len - rearcurve_strt_len + rearcurve_rad;
+ small_rad = rearcurve_rad + rearcurve_rad_slop;
+ translate([ tile01_tr[0] - cutout_l_end_x + rearedge_len,
+ cutout_tile11_y,
+ 0 ]){
+ //%cube([20,20,20]);
+ translate([ -reartablet_x,
+ -1,
+ -reartablet_z])
+ mirror([0,0,1])
+ cube([ reartablet_x+1,
+ reartablet_y+1,
+ 20 ]);
+ translate([ rearcurve_strt_len,
+ 0,
+ 0 ]){
+ translate([ 0,
+ 0,
+ -rearcurve_rad
+ ]){
+ rotate([0,-90,0]){
+ rotate([0,0, 360/8/2])
+ cylinder(r = small_rad, h= rearcurve_strt_len);
+ }
+ }
+ translate([ 0,
+ 0,
+ big_rad - rearcurve_rad ]) {
+ intersection(){
+ rotate([90,0,0]){
+ rotate_extrude(convexity=10) {
+ translate([ big_rad,
+ 0 ]) {
+ hull(){
+ circle(r= small_rad);
+ translate([200,0])
+ circle(r= small_rad);
+ }
+ }
+ }
+ }
+ mirror([0,0,1])
+ cube([150,150,150]);
+ }
+ }
+ }
+ }
+}
+
+module Machine(){ ////toplevel
+ Machine_Arm();
+ Machine_Rear();
+}
function Rectangle_corners(c0, sz) =
// returns the corners of a rectangle from c0 to c0+sz
c[2] + thehd_bl,
c[3] + thehd_br ];
+module Rectangle_TileBase(c) { TileBase(c[0], c[2]); }
+
+function Posts_interpolate_one(c0,c1) = [c0, (c0+c1)/2, c1];
+
m4_dnl R_EDGE(c,ix)
m4_dnl c is from Rectangle_corners and
m4_dnl ix is a corner number
module Tile02(){ ////toplevel
sz = [100,170];
- c0 = -sz;
+ c0 = tile02_tr + -sz;
c = Rectangle_corners(c0, sz);
posts = Rectangle_corners2posts(c);
- rcs = [c[0], c[1]];
+ rcs = [R_EDGE(c,0)];
difference(){
union(){
- TileBase(c[0], c[2]);
+ Rectangle_TileBase(c);
Posts(posts);
RoundEdge(R_EDGE(c,0));
RoundEdge(R_EDGE(c,3));
module Tile12(){ ////toplevel
sz = [100,250];
- c0 = [-sz[0], 0];
+ c0 = tile02_tr + [-sz[0], 0];
c = Rectangle_corners(c0, sz);
posts = Rectangle_corners2posts(c);
- rcs = [c[3], c[0]];
+ rcs = [R_EDGE(c,3)];
difference(){
union(){
- TileBase(c[0], c[2]);
+ Rectangle_TileBase(c);
+ Posts(posts);
RoundEdge(R_EDGE(c,2));
RoundEdge(R_EDGE(c,3));
- Posts(posts);
}
InterlockEdge(R_EDGE(c,0), 1);
+ InterlockEdge(R_EDGE(c,1), 1);
+ RoundCornerCut(rcs);
+ }
+ RoundCornerAdd(rcs);
+}
+
+tile_01_11_cnr = tile01_tr + [-cutout_tile11_x, 0];
+tile_11_10_cnr = tile01_tr + [0, cutout_tile11_y];
+
+module Tile11(){ ////toplevel
+ sz = [250,250];
+ c0 = tile02_tr + [0,0];
+ c = Rectangle_corners(c0, sz);
+ cnr_posts = Rectangle_corners2posts(c);
+ posts = concat(
+ Posts_interpolate_one(cnr_posts[0],
+ cnr_posts[1] - [cutout_tile11_x, 0]),
+ [ cnr_posts[1] + [0, cutout_tile11_y],
+ cnr_posts[2],
+ cnr_posts[3]
+ ]);
+ difference(){
+ union(){
+ Rectangle_TileBase(c);
+ Posts(posts);
+ RoundEdge(R_EDGE(c,2));
+ InterlockEdge(R_EDGE(c,3));
+ }
+ InterlockEdge(c[0], tile_01_11_cnr, 1);
+ InterlockEdge(tile_11_10_cnr, c[2], 1);
+ Machine();
+ }
+}
+
+tile_01_00_cnr = tile01_tr + [0, -cutout_tile01_y];
+
+module Tile01(){ ////toplevel
+ sz = [250,170];
+ c0 = tile02_tr + [0,-sz[1]];
+ c = Rectangle_corners(c0, sz);
+ cnr_posts = Rectangle_corners2posts(c);
+ posts = concat(
+ Posts_interpolate_one(R_EDGE(cnr_posts,0)),
+ [ cnr_posts[2] + [0, -cutout_tile01_y] ],
+ Posts_interpolate_one(cnr_posts[2] - [cutout_tile11_x, 0],
+ cnr_posts[3])
+ );
+ difference(){
+ union(){
+ Rectangle_TileBase(c);
+ Posts(posts);
+ RoundEdge(R_EDGE(c,0));
+ InterlockEdge(tile_01_11_cnr, c[3]);
+ InterlockEdge(R_EDGE(c,3));
+ }
+ InterlockEdge(c[1], tile_01_00_cnr, 1);
+ Machine();
+ }
+}
+
+module Tile10(){ ////toplevel
+ sz = [250,250];
+ c0 = tile02_tr + [sz[0],0];
+ c = Rectangle_corners(c0, sz);
+ cnr_posts = Rectangle_corners2posts(c);
+ cty = cutout_tile11_y;
+ rcy = cty + rearcurve_avoid_y;
+ posts = [ cnr_posts[0] + [ 0, cty ],
+ cnr_posts[1] + [ -sz[1] + rearedge_len - cutout_l_end_x, cty ],
+ cnr_posts[1] + [ 0, rcy ],
+ cnr_posts[2],
+ cnr_posts[3] ];
+ rcs = [R_EDGE(c,2)];
+ difference(){
+ union(){
+ Rectangle_TileBase(c);
+ Posts(posts);
+ RoundEdge(R_EDGE(c,1));
+ RoundEdge(R_EDGE(c,2));
+ InterlockEdge(c[3], tile_11_10_cnr);
+ }
RoundCornerCut(rcs);
+ Machine();
}
RoundCornerAdd(rcs);
}
module Demo(){ ////toplevel
translate(demo_slop*[-2,1]) color("blue") Tile12();
translate(demo_slop*[-2,0]) color("red") Tile02();
+ translate(demo_slop*[-2,1]) color("orange") Tile11();
+ translate(demo_slop*[-2,0]) color("purple") Tile01();
+ translate(demo_slop*[-3,1]) color("blue") Tile10();
+ %Machine();
}
//TestPiece1();
//TestPiece2();
//Demo();
+
+Machine_Profile();
~ianmdlvl / reprap-play.git / blobdiff