frontcurve_avoid_y = 70;
frontcurve_z_slop = 0.75;
+frontcurve_strt_len = 60;
+frontcurve_dualcurve_angle = 90 - 65;
+
// calculated
TEST = false;
}
}
+m4_dnl R_EDGE(c,ix)
+m4_dnl c is from Rectangle_corners and
+m4_dnl ix is a corner number
+m4_dnl expands to two comma-separated corners:
+m4_dnl that denoted by ix, and the next one anticlockwise
+m4_define(`R_EDGE',`$1[$2],$1[(($2)+1)%4]')
+
m4_dnl INREFFRAME(left_cnr, right_cnr, morevars) { body; }
m4_define(`INREFFRAME',`
length_vec = ($2) - ($1);
}
}
-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);
+ ctr3 = concat(ctr,[0])
+')
+
+module RoundCorner_selector(ci, adj) {
+ ROUNDCORNER_VARS;
+ echo("RCS",l_uvec,ctr);
+ %union(){
+ INREFFRAME(this_cnr, right_cnr) {
+ cube(bigr*2 + adj, center=true);
+ }
+ }
+ intersection(){
+ union(){
+ INREFFRAME(ctr3,concat(lp1,[4])){
+ translate([0,0,-bigr]) linear_extrude(height=bigr*2) {
+ translate([-bigr*2 + adj, -bigr])
+ square([bigr*2, bigr*3]);
+ }
+ }
+ }
+ union(){
+ INREFFRAME(ctr3,concat(lp4,[0])){
+ translate([0,0,-bigr]) linear_extrude(height=bigr*2) {
+ translate([-bigr*2, -bigr*2])
+ square([bigr*2 + adj, bigr*3]);
+ }
+ }
}
}
}
+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);
+ translate(ctr3)
+ 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);
- translate([bigr, bigr, 0])
+ ROUNDCORNER_VARS;
+ intersection(){
+ RoundCorner_selector(ci, +0.1);
+ INREFFRAME_EDGE {
+ translate(ctr3){
rotate_extrude(convexity=10, $fn=50)
- translate([bigr, 0])
- difference(){
+ translate([bigr, 0])
+ difference(){
circle(r= round_edge_rad, $fn=50);
mirror([1,1])
square([20,20]);
- }
+ }
+ }
}
}
}
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
-m4_dnl expands to two comma-separated corners:
-m4_dnl that denoted by ix, and the next one anticlockwise
-m4_define(`R_EDGE',`$1[$2],$1[(($2)+1)%4]')
-
module FitTest_general(c0,sz, dobrace=false){
c = Rectangle_corners(c0, sz);
brace = [7,7,9];
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
~ianmdlvl / reprap-play.git / blobdiff