- length_vec = right_post - this_post;
- length_uvec = length_vec - dist2d([0,0], length_vec);
- ortho_uvec = [ -length_uvec[1], length_uvec[0] ];
- m = [ [ length_uvec[0], ortho_uvec[0], 0, this_post[0], ],
- [ length_uvec[1], ortho_uvec[1], 0, this_post[1], ],
- [ 0, 0, 1, 0, ],
- [ 0, 0, 0, 1, ] ];
- multmatrix(m) {
- translate([-thehd[1], -thehd[0], -round_edge_rad]){
- difference(){
- sphere(r= round_edge_rad, $fn=60);
- translate([0,0, -20])
- cube([20,20,20]);
- }
+ INREFFRAME(this_post, right_post){
+ difference(){
+ sphere(r= round_edge_rad, $fn=60);
+ translate([0,0, -20])
+ cube([20,20,20]);