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]);
+ }
}
}
}
}
}
-module InterlockEdgePlan(negative, nlobes, length) {
+module InterlockEdgePlan(negative, nlobes, length, dosquare=true) {
for (lobei = [ 0 : nlobes-1 ]) {
lobex = (length - thehd[0]*2) * (lobei ? lobei / (nlobes-1) : 0);
translate([lobex, 0, 0]) {
}
}
- iadj = interlock_sq_adj;
- slotshorter = negative ? 0 : interlock_fine_lenslop;
- mirror([0, negative])
- translate([slotshorter, iadj])
- square([length - slotshorter*2, interlock_fine + iadj*2]);
+ if (dosquare) {
+ iadj = 0;
+ slotshorter = negative ? -0.1 : interlock_fine_lenslop;
+ mirror([0, negative])
+ translate([slotshorter, iadj])
+ square([length - slotshorter*2, interlock_fine + iadj*2]);
+ }
}
module InterlockEdge(left_cnr, right_cnr, negative=0, nlobes=2) {
z1 = -tile_th/2 - protr / interlock_fine_slope;
z3 = -tile_th/2 + protr / interlock_fine_slope;
+ negsign = negative ? -1 : +1;
+ yprotr = negsign * protr;
+
INREFFRAME(left_cnr, right_cnr) {
- for (vsect = [ // zstart zend ystart, yend
+ for (vsect = [ // zs0 zs1 ys0, ys1
[ -tile_th-plusth, plusth, 0, 0],
- //[ z1, z2, 0, protr],
- //[ z2, z3, protr, 0],
+ [ z1, z2, 0, yprotr],
+ [ z2, z3, yprotr, 0],
]) {
- translate([0, 0, vsect[0]])
- linear_extrude(height=vsect[1]-vsect[0], convexity=10)
- InterlockEdgePlan(negative, nlobes, length);
+ zs0 = vsect[0];
+ zs1 = vsect[1];
+ zsd = zs1-zs0;
+ ys0 = vsect[2];
+ ys1 = vsect[3];
+ ysd = ys1-ys0;
+ sl = ysd/zsd;
+ m = [ [ 1,0, 0, 0 ],
+ [ 0,1, -sl, -ys0 + negsign*interlock_sq_adj ],
+ [ 0,0, 1, zs0 ],
+ [ 0,0, 0, 1 ] ];
+ multmatrix(m)
+ linear_extrude(height=zsd, convexity=10)
+ InterlockEdgePlan(negative, nlobes, length, !!ysd);
}
}
}
];
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