this_cnr = ci[0];
right_cnr = ci[1];
left_cnr = ci[2];
- bigr= round_cnr_rad - round_edge_rad
+ 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) {
- r = round_cnr_rad - round_edge_rad;
- cube(r*2 + adj, center=true);
+ 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;
- INREFFRAME(this_cnr, right_cnr) INREFFRAME_EDGE {
- difference(){
- RoundCorner_selector(ci, -0.1);
+ 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) {
ROUNDCORNER_VARS;
- INREFFRAME(this_cnr, right_cnr) INREFFRAME_EDGE {
- intersection(){
- RoundCorner_selector(ci, +0.1);
+ 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])
}
module RoundCornerDemo(){ ////toplevel
- cnr = [ [0,0], [15,0], [-10,10] ];
+ 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);