round_edge_rad = 2.0;
+round_cnr_rad = 10;
+
interlock_dia = 10;
interlock_fine = 0.66;
// calculated
+TEST = false;
+
ply_edge_hole_dist = ply_edge_min + ply_hole_dia/2;
echo(str("HOLES IN PLY ctr dist from PLY edge = ", ply_edge_hole_dist));
mirror([0,0,1])
translate(concat(botleft, [0]))
cube(concat(size, [tile_th]));
- translate( concat(botleft_post, [-tile_th])
+ translate( concat(botleft_post, [ TEST ? 0 : -tile_th])
+ 0.5 * [ post_dia, post_dia, 0 ] )
Commitid_BestCount_M( topright_post-botleft_post
+ [-post_dia,-post_dia]
}
}
-module RoundLeftCorner(this_cnr, right_cnr) {
+module RoundCornerCut(ci) {
+ this_cnr = ci[0];
+ right_cnr = ci[1];
+ offr= round_cnr_rad - round_edge_rad;
INREFFRAME(this_cnr, right_cnr) INREFFRAME_EDGE {
difference(){
- sphere(r= round_edge_rad, $fn=60);
- translate([0,0, -20])
- cube([20,20,20]);
+ cube(offr*2 - 0.1, center=true);
+ translate([offr, offr, 0])
+ cylinder(center=true, h=20, r= offr);
+ }
+ }
+}
+
+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])
+ rotate_extrude(convexity=10, $fn=50)
+ translate([bigr, 0])
+ difference(){
+ circle(r= round_edge_rad, $fn=50);
+ mirror([1,1])
+ square([20,20]);
+ }
}
}
}
if (dosquare) {
iadj = 0;
- slotshorter = round_edge_rad + 0.1
- + (negative ? 0 : interlock_fine_lenslop);
+ slotshorter = negative ? -0.1 : interlock_fine_lenslop;
mirror([0, negative])
translate([slotshorter, iadj])
square([length - slotshorter*2, interlock_fine + iadj*2]);
];
corners = TestPiece_holes2corners(holes);
difference(){
- TileBase(corners[0], corners[2]);
+ union(){
+ TileBase(corners[0], corners[2]);
+ Posts(holes);
+ RoundEdge(corners[0], corners[1]);
+ RoundEdge(corners[3], corners[0]);
+ }
InterlockEdge(corners[1], corners[2], 1, nlobes=1);
+ RoundCornerCut(corners[0], corners[1]);
}
- Posts(holes);
- RoundEdge(corners[0], corners[1]);
- RoundEdge(corners[3], corners[0]);
- RoundLeftCorner(corners[0], corners[1]);
+ RoundCornerAdd(corners[0], corners[1]);
}
module TestPiece2(){ ////toplevel
c0 = -sz;
c = Rectangle_corners(c0, sz);
posts = Rectangle_corners2posts(c);
+ rcs = [c[0], c[1]];
difference(){
- TileBase(c[0], c[2]);
+ union(){
+ TileBase(c[0], c[2]);
+ Posts(posts);
+ RoundEdge(c[0], c[1]);
+ RoundEdge(c[3], c[0]);
+ InterlockEdge(c[2], c[3], 0);
+ }
InterlockEdge(c[1], c[2], 1);
+ RoundCornerCut(rcs);
}
- Posts(posts);
- RoundEdge(c[0], c[1]);
- RoundEdge(c[3], c[0]);
- RoundLeftCorner(c[0], c[1]);
- InterlockEdge(c[2], c[3], 0);
+ RoundCornerAdd(rcs);
}
module Tile12(){ ////toplevel
c0 = [-sz[0], 0];
c = Rectangle_corners(c0, sz);
posts = Rectangle_corners2posts(c);
+ rcs = [c[2], c[3]];
difference(){
- TileBase(c[0], c[2]);
+ union(){
+ TileBase(c[0], c[2]);
+ RoundEdge(c[2], c[3]);
+ RoundEdge(c[3], c[0]);
+ Posts(posts);
+ }
InterlockEdge(c[0], c[1], 1);
+ RoundCornerCut(rcs);
}
- Posts(posts);
- RoundEdge(c[2], c[3]);
- RoundEdge(c[3], c[0]);
- RoundLeftCorner(c[2], c[3]);
+ RoundCornerAdd(rcs);
}
module Demo(){ ////toplevel