ply_edge_hole_dist = ply_edge_min + ply_hole_dia/2;
-echo(str("HOLES IN PLY ctr dist from edge = ", ply_edge_hole_dist));
+echo(str("HOLES IN PLY ctr dist from PLY edge = ", ply_edge_hole_dist));
hole_slop = (ply_hole_dia - post_dia)/2;
tile_hard_edge_hole_dist = ply_edge_hole_dist + hole_slop;
+
+echo(str("HOLES IN PLY ctr dist from TILE HARD edge = ",
+ tile_hard_edge_hole_dist));
+
+echo(str("HOLES IN PLY ctr dist from TILE ROUND edge = ",
+ tile_hard_edge_hole_dist + round_edge_rad));
+
thehd = [ tile_hard_edge_hole_dist, tile_hard_edge_hole_dist ];
+thehd_tr = thehd;
+thehd_tl = [ -thehd_tr[0], thehd_tr[1] ];
+thehd_bl = -thehd_tr;
+thehd_br = -thehd_tl;
interlock_rad = interlock_dia/2;
interlock_negative_rad = interlock_rad + 0.125;
}
}
-module TileBase(botleft_post, topright_post){
- botleft = botleft_post - thehd;
- size = topright_post - botleft_post + thehd * 2;
+module TileBase(botleft, topright){
+ size = topright - botleft;
+ botleft_post = botleft + thehd_tr;
+ topright_post = topright - thehd_bl;
+ echo(botleft_post, topright_post);
difference(){
mirror([0,0,1])
translate(concat(botleft, [0]))
}
}
-m4_dnl INREFFRAME(left_post, right_post, morevars) { body; }
+m4_dnl INREFFRAME(left_cnr, right_cnr, morevars) { body; }
m4_define(`INREFFRAME',`
length_vec = ($2) - ($1);
length = dist2d([0,0], length_vec);
multmatrix(m)
')
-m4_dnl INREFFRAME(left_post, right_post, morevars)
+m4_dnl INREFFRAME(left_cnr, right_cnr, morevars)
m4_dnl INREFFRAME_EDGE { body; }
m4_define(`INREFFRAME_EDGE',`
- translate(concat(-thehd, [-round_edge_rad]))
+ translate([0,0, -round_edge_rad])
')
-module RoundEdge(left_post, right_post) {
- INREFFRAME(left_post, right_post,
- `tlength = length + thehd[0] * 2;') m4_dnl '
+module RoundEdge(left_cnr, right_cnr) {
+ INREFFRAME(left_cnr, right_cnr)
INREFFRAME_EDGE {
difference(){
rotate([0,90,0])
- cylinder(r= round_edge_rad, h= tlength, $fn=50);
+ cylinder(r= round_edge_rad, h= length, $fn=50);
translate([-1, 0, -20])
- cube([tlength+2, 20, 20]);
+ cube([length+2, 20, 20]);
}
}
}
-module RoundLeftCorner(this_post, right_post) {
- INREFFRAME(this_post, right_post) INREFFRAME_EDGE {
+module RoundLeftCorner(this_cnr, right_cnr) {
+ INREFFRAME(this_cnr, right_cnr) INREFFRAME_EDGE {
difference(){
sphere(r= round_edge_rad, $fn=60);
translate([0,0, -20])
module InterlockCore(r, plusth, ymir) {
dx = sqrt(3) * r;
$fn= 80;
- translate([0, -thehd[1], plusth]){
+ translate([thehd[0], 0, plusth]){
mirror([0,ymir,0]){
mirror([0,0,1]){
linear_extrude(height=tile_th+plusth*2, convexity=10){
}
}
-module InterlockNegative(this_post, right_post) {
- INREFFRAME(this_post, right_post)
+module InterlockNegative(this_cnr, right_cnr) {
+ INREFFRAME(this_cnr, right_cnr)
InterlockCore(interlock_negative_rad, 1, 0);
}
-module Interlock(this_post, right_post) {
- INREFFRAME(this_post, right_post)
+module Interlock(this_cnr, right_cnr) {
+ INREFFRAME(this_cnr, right_cnr)
InterlockCore(interlock_rad, 0, 1);
}
+function TestPiece_holes2corners(holes) =
+ [ holes[0] + thehd_bl,
+ holes[1] + thehd_br,
+ holes[0] + thehd_tl,
+ holes[1] + thehd_tr ];
+
module TestPiece1(){ ////toplevel
holes = [ [-100, 0],
[ 0, 0]
];
+ corners = TestPiece_holes2corners(holes);
difference(){
- TileBase(holes[0], holes[1]);
- InterlockNegative(holes[1], holes[1] + [0,1]);
+ TileBase(corners[0], corners[3]);
+ InterlockNegative(corners[1], corners[3]);
}
Posts(holes);
- RoundEdge(holes[0], holes[1]);
- RoundEdge(holes[0] + [ 0, 0.1 ], holes[0]);
- RoundLeftCorner(holes[0], holes[1]);
+ RoundEdge(corners[0], corners[1]);
+ RoundEdge(corners[2], corners[0]);
+ RoundLeftCorner(corners[0], corners[1]);
}
module TestPiece2(){ ////toplevel
holes = [ [ 0, 0],
[ 50, 0]
];
- TileBase(holes[0], holes[1]);
+ corners = TestPiece_holes2corners(holes);
+ TileBase(corners[0], corners[3]);
Posts(holes);
- RoundEdge(holes[0], holes[1]);
- Interlock(holes[0], holes[0] + [0, -1]);
+ RoundEdge(corners[0], corners[1]);
+ Interlock(corners[2], corners[0]);
}
-module Demo(){
+module Demo(){ ////toplevel
translate([ -thehd[0], 0 ])
color("blue")
TestPiece1();