round_edge_rad = 2.0;
interlock_dia = 10;
+interlock_fine = 1.0;
+
+interlock_fine_lenslop = 1.0;
+
+demo_slop = 0.1;
// calculated
}
}
-module InterlockPlan(r, ymir) {
+module InterlockLobePlan(negative) {
+ r = negative ? interlock_negative_rad : interlock_rad;
+ ymir = negative ? 0 : 1;
+
dx = sqrt(3) * r;
$fn= 80;
translate([thehd[0], 0]){
- mirror([0,ymir,0]){
+ mirror([0,ymir]){
circle(r=r);
difference(){
translate([-dx, -0.1])
}
}
-module InterlockCore(r, plusth, ymir) {
- translate([0, 0, plusth]){
- mirror([0,0,1]){
- linear_extrude(height=tile_th+plusth*2, convexity=10){
- InterlockPlan(r, ymir);
- }
+module InterlockEdgePlan(negative, nlobes, length) {
+ iadj = 0.1;
+
+ for (lobei = [ 0 : nlobes-1 ]) {
+ lobex = (length - thehd[0]*2) * (lobei ? lobei / (nlobes-1) : 0);
+ translate([lobex, 0, 0]) {
+ InterlockLobePlan(negative);
}
}
+
+ slotshorter = negative ? 0 : interlock_fine_lenslop;
+ mirror([0, negative])
+ translate([slotshorter, iadj])
+ square([length - slotshorter*2, interlock_fine + iadj*2]);
}
-module Interlock(this_cnr, right_cnr, negative=0) {
- INREFFRAME(this_cnr, right_cnr)
- InterlockCore(negative ? interlock_negative_rad : interlock_rad,
- negative ? 1 : 0,
- negative ? 0 : 1);
+module InterlockEdge(left_cnr, right_cnr, negative=0, nlobes=2) {
+ plusth = negative * 1.0;
+
+ INREFFRAME(left_cnr, right_cnr) {
+ translate([0, 0, plusth]){
+ mirror([0,0,1]){
+ linear_extrude(height=tile_th+plusth*2, convexity=10){
+ InterlockEdgePlan(negative, nlobes, length);
+ }
+ }
+ }
+ }
}
function TestPiece_holes2corners(holes) =
corners = TestPiece_holes2corners(holes);
difference(){
TileBase(corners[0], corners[2]);
- Interlock(corners[1], corners[2], 1);
+ InterlockEdge(corners[1], corners[2], 1, nlobes=1);
}
Posts(holes);
RoundEdge(corners[0], corners[1]);
TileBase(corners[0], corners[2]);
Posts(holes);
RoundEdge(corners[0], corners[1]);
- Interlock(corners[3], corners[0]);
+ InterlockEdge(corners[3], corners[0], 0, nlobes=1);
}
-module Demo(){ ////toplevel
+module TestDemo(){ ////toplevel
translate([ -thehd[0], 0 ])
color("blue")
TestPiece1();
- translate([ +thehd[0], 0 ])
+ translate([ +thehd[0] + demo_slop, 0 ])
TestPiece2();
}
+function Rectangle_corners(c0, sz) =
+ [ c0 + [ 0, 0 ],
+ c0 + [ sz[0], 0 ],
+ c0 + [ sz[0], sz[1] ],
+ c0 + [ 0, sz[1] ] ];
+
+function Rectangle_corners2posts(c) =
+ [ c[0] + thehd_tr,
+ c[1] + thehd_tl,
+ c[2] + thehd_bl,
+ c[3] + thehd_br ];
+
+module Tile02(){ ////toplevel
+ sz = [100,170];
+ c0 = -sz;
+ c = Rectangle_corners(c0, sz);
+ posts = Rectangle_corners2posts(c);
+ difference(){
+ TileBase(c[0], c[2]);
+ InterlockEdge(c[1], c[2], 1);
+ }
+ Posts(posts);
+ RoundEdge(c[0], c[1]);
+ RoundEdge(c[3], c[0]);
+ RoundLeftCorner(c[0], c[1]);
+ InterlockEdge(c[2], c[3], 0);
+}
+
+module Tile12(){ ////toplevel
+ sz = [100,250];
+ c0 = [-sz[0], 0];
+ c = Rectangle_corners(c0, sz);
+ posts = Rectangle_corners2posts(c);
+ difference(){
+ TileBase(c[0], c[2]);
+ 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
+ translate(demo_slop*[-2,1]) color("blue") Tile12();
+ translate(demo_slop*[-2,0]) color("red") Tile02();
+}
+
//TestPiece1();
//TestPiece2();
//Demo();