round_edge_rad = 2.0;
+round_cnr_rad = 10;
+
interlock_dia = 10;
interlock_fine = 0.66;
}
}
+module RoundCornerCut(this_cnr, right_cnr) {
+ offr= round_cnr_rad - round_edge_rad;
+ INREFFRAME(this_cnr, right_cnr) INREFFRAME_EDGE {
+ difference(){
+ cube(offr*2 - 0.1, center=true);
+ translate([offr, offr, 0])
+ cylinder(center=true, h=20, r= offr);
+ }
+ }
+}
+
+module RoundCornerAdd(this_cnr, right_cnr) {
+ 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 InterlockLobePlan(negative) {
r = negative ? interlock_negative_rad : interlock_rad;
ymir = negative ? 0 : 1;
}
if (dosquare) {
- iadj = interlock_sq_adj;
- slotshorter = negative ? 0 : interlock_fine_lenslop;
+ iadj = 0;
+ slotshorter = negative ? -0.1 : interlock_fine_lenslop;
mirror([0, negative])
translate([slotshorter, iadj])
square([length - slotshorter*2, interlock_fine + iadj*2]);
z1 = -tile_th/2 - protr / interlock_fine_slope;
z3 = -tile_th/2 + protr / interlock_fine_slope;
- yprotr = negative ? -protr : protr;
+ negsign = negative ? -1 : +1;
+ yprotr = negsign * protr;
INREFFRAME(left_cnr, right_cnr) {
for (vsect = [ // zs0 zs1 ys0, ys1
ysd = ys1-ys0;
sl = ysd/zsd;
m = [ [ 1,0, 0, 0 ],
- [ 0,1, -sl, -ys0 ],
+ [ 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);
+ 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
c = Rectangle_corners(c0, sz);
posts = Rectangle_corners2posts(c);
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(c[0], c[1]);
}
- Posts(posts);
- RoundEdge(c[0], c[1]);
- RoundEdge(c[3], c[0]);
- RoundLeftCorner(c[0], c[1]);
- InterlockEdge(c[2], c[3], 0);
+ RoundCornerAdd(c[0], c[1]);
}
module Tile12(){ ////toplevel
c = Rectangle_corners(c0, sz);
posts = Rectangle_corners2posts(c);
difference(){
- TileBase(c[0], c[2]);
+ union(){
+ TileBase(c[0], c[2]);
+ RoundEdge(c[2], c[3]);
+ RoundEdge(c[3], c[0]);
+ RoundLeftCorner(c[2], c[3]);
+ Posts(posts);
+ }
InterlockEdge(c[0], c[1], 1);
}
- Posts(posts);
- RoundEdge(c[2], c[3]);
- RoundEdge(c[3], c[0]);
- RoundLeftCorner(c[2], c[3]);
}
module Demo(){ ////toplevel