frontcurve_avoid_y = 70;
frontcurve_z_slop = 0.75;
+frontcurve_strt_len = 60;
+frontcurve_dualcurve_angle = 90 - 65;
+
// calculated
TEST = false;
crossoff = tile_hard_edge_hole_dist + POST_TCROSSSZ/2;
cidsz = [ thehd[0], size[1] - 2*crossoff ];
cidszr = [ cidsz[0], min(cidsz[1], 50) ];
+ translate( concat(botleft + [0, crossoff] + (cidsz-cidszr)/2, [0]) )
+ Commitid_BestCount(cidszr);
difference(){
mirror([0,0,1]) {
translate(concat(botleft + [test_edge,test_edge], [test_tile_th]))
cube(concat(topright_post-botleft_post, [tile_th+2]));
}
shufflesz = max(test_edge, tile_hard_edge_hole_dist)*2;
- hull(){ // poor man's minkowski
- for (xs=[-1,1]) for (ys=[-1,1]) for (zs=[-1,1]) {
- translate([xs,ys,zs] * shufflesz)
- Machine();
- }
+ minkowski(){
+ MachineEnvelope();
+ cube(shufflesz, center=true);
}
}
}
}
}
-module RoundCornerCut(ci) {
- // ci should be [this_cnr, right_cnr]
- // where right_cnr is to the right (ie, anticlockwise)
+m4_define(`ROUNDCORNER_VARS',`
this_cnr = ci[0];
right_cnr = ci[1];
- offr= round_cnr_rad - round_edge_rad;
- INREFFRAME(this_cnr, right_cnr) INREFFRAME_EDGE {
- difference(){
- cube(offr*2 - 0.1, center=true);
- translate([offr, offr, 0])
- cylinder(center=true, h=20, r= offr);
+ left_cnr = ci[2];
+ bigr= round_cnr_rad - round_edge_rad;
+ l_uvec = unitvector2d(left_cnr - this_cnr);
+ r_uvec = unitvector2d(right_cnr - this_cnr);
+ lp1 = left_cnr + clockwise2d(l_uvec) * bigr;
+ lp2 = this_cnr + clockwise2d(l_uvec) * bigr;
+ lp3 = this_cnr - clockwise2d(r_uvec) * bigr;
+ lp4 = right_cnr - clockwise2d(r_uvec) * bigr;
+ ctr = line_intersection_2d(lp1,lp2,lp3,lp4)
+')
+
+module RoundCorner_selector(ci, adj) {
+ ROUNDCORNER_VARS;
+ echo("RCS",l_uvec,ctr);
+ union(){
+ INREFFRAME(this_cnr, right_cnr) {
+ cube(bigr*2 + adj, center=true);
+ }
+ }
+ %translate(concat(ctr,[0])) circle(1);
+ if(0){
+ union(){
+ INREFFRAME(this_cnr, right_cnr) {
+// %translate([ -bigr,-bigr,0 ])
+// cube([bigr*2 + adj, bigr*3, bigr*2]);
+ }
+ }
+ union(){
+ INREFFRAME(this_cnr, left_cnr) {
+ %translate([ -bigr,-bigr,0 ])
+ cube(bigr*2 + adj);
+ }
+ }}
+}
+
+module RoundCornerCut(ci) {
+ // ci should be [this_cnr, right_cnr, left_cnr]
+ // where right_cnr is to the right (ie, anticlockwise)
+ ROUNDCORNER_VARS;
+ difference(){
+ RoundCorner_selector(ci, -0.1);
+ INREFFRAME(this_cnr, right_cnr) INREFFRAME_EDGE {
+ translate([bigr, bigr, 0])
+ cylinder(center=true, h=20, r= bigr);
}
}
}
module RoundCornerAdd(ci) {
- this_cnr = ci[0];
- right_cnr = ci[1];
- bigr = round_cnr_rad - round_edge_rad;
- INREFFRAME(this_cnr, right_cnr) INREFFRAME_EDGE {
- intersection(){
- cube(bigr*2 + 0.1, center=true);
+ ROUNDCORNER_VARS;
+ intersection(){
+ RoundCorner_selector(ci, +0.1);
+ INREFFRAME(this_cnr, right_cnr) INREFFRAME_EDGE {
translate([bigr, bigr, 0])
rotate_extrude(convexity=10, $fn=50)
translate([bigr, 0])
Machine_Curves();
}
+module MachineEnvelope(){
+ // used for testing
+ p_arm_bl = [-cutout_tile11_x, -cutout_tile01_y];
+ y_arm_t = cutout_tile11_y;
+ p_crv_fl = p_arm_bl + [rearedge_len, -frontcurve_avoid_y];
+ y_crv_b = y_arm_t + rearcurve_avoid_y;
+
+ translate([0,0,-50]) linear_extrude(height= 100){
+ translate(p_arm_bl) square([400, y_arm_t] - p_arm_bl);
+ translate(p_crv_fl) square([400, y_crv_b] - p_crv_fl);
+ }
+}
+
function Rectangle_corners(c0, sz) =
// returns the corners of a rectangle from c0 to c0+sz
// if sz is positive, the corners are anticlockwise starting with c0
FitTest_general([110,0], [170,100]);
}
-module FitTest_FrontCurve(){ ////toplevel
- FitTest_general([110,-80], [170,80]);
-}
-
module Tile02(){ ////toplevel
sz = [100,170];
c0 = tile02_tr + -sz;
sz = [250,170];
c0 = tile01_tr + [0,-sz[1]];
c = Rectangle_corners(c0, sz);
+
+ // the edge c[1]..c[2] needs a diagonal chunk, from c1bis to c2bis
+ c2bis = [ -cutout_l_end_x + rearedge_len + frontcurve_strt_len, c[2][1] ];
+ c1bis = [ c[1][0],
+ c[2][1] -
+ (c[2][0] - c2bis[0]) * tan(90 - frontcurve_dualcurve_angle) ];
+
cnr_posts = Rectangle_corners2posts(c);
cty = cutout_tile01_y;
rcy = cty + frontcurve_avoid_y;
rcs = [R_EDGE(c,1)];
difference(){
union(){
- Rectangle_TileBase(c);
- Posts(posts);
- RoundEdge(R_EDGE(c,0));
- RoundEdge(R_EDGE(c,1));
- InterlockEdge(tile_01_00_cnr, c[0]);
+ difference(){
+ union(){
+ Rectangle_TileBase(c);
+ Posts(posts);
+ RoundEdge(R_EDGE(c,0));
+ RoundEdge(c[1], c1bis);
+ InterlockEdge(tile_01_00_cnr, c[0]);
+ }
+ RoundCornerCut(rcs);
+ translate([0,0,-20]) linear_extrude(height=40) {
+ polygon([ c1bis, c1bis + [50,0], c2bis + [50,0], c2bis ]);
+ }
+ }
+ RoundEdge(c1bis, c2bis);
}
- RoundCornerCut(rcs);
Machine();
}
RoundCornerAdd(rcs);
+ RoundCornerAdd([c1bis,c2bis,c[1]]);
+}
+
+module FitTest_FrontCurve(){ ////toplevel
+ p0 = [110,-80];
+ sz = [170,80];
+ intersection() {
+ Tile00();
+ translate([0,0,-8]) linear_extrude(height=18) {
+ translate(p0) square(sz);
+ }
+ }
+}
+
+module RoundCornerDemo_plat(cnr){
+ mirror([0,0,1]) linear_extrude(height=1) polygon(cnr);
+}
+
+module RoundCornerDemo(){ ////toplevel
+ cnr = [ [0,0], [15,0], [-10,12] ];
+ translate([0,25,0]) RoundCornerDemo_plat(cnr);
+ translate([25,0,0]) RoundCornerAdd(cnr);
+ translate([-25,0,0]) RoundCornerCut(cnr);
+ translate([0,-25,0]) RoundCorner_selector(cnr, 0);
+ difference(){
+ RoundCornerDemo_plat(cnr);
+ RoundCornerCut(cnr);
+ }
+ RoundCornerAdd(cnr);
}
module Demo(){ ////toplevel
//Machine_Curves();
//Machine();
//FitTest();
+//MachineEnvelope();
~ianmdlvl / reprap-play.git / blobdiff