round_edge_rad = 2.0;
+round_cnr_rad = 10;
+
interlock_dia = 10;
interlock_fine = 0.66;
demo_slop = 0.1;
+// cutout
+
+cutout_l_end_y = 85;
+cutout_l_end_curve = 1;
+
+cutout_tile01_y = 170 - 147;
+cutout_tile11_x = 22 + cutout_l_end_curve;
+cutout_tile11_y = cutout_l_end_curve - cutout_tile01_y;
+
// 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));
cylinder(r= screw_dia/2, h= ply_th, $fn=20);
}
}
+ if (TEST) {
+ tsz = tile_hard_edge_hole_dist - test_edge + 1;
+ translate([0,0, tile_th/2]) {
+ cube([post_dia, tsz*2, tile_th], center=true);
+ cube([tsz*2, post_dia, tile_th], center=true);
+ }
+ }
}
}
mirror([0,0,1])
translate(concat(botleft, [0]))
cube(concat(size, [tile_th]));
- translate( concat(botleft_post, [-tile_th])
- + 0.5 * [ post_dia, post_dia, 0 ] )
- Commitid_BestCount_M( topright_post-botleft_post
- + [-post_dia,-post_dia]
- + [0, thehd[1]]);
+ if (!TEST) {
+ translate( concat(botleft_post, [ -tile_th ])
+ + 0.5 * [ post_dia, post_dia, 0 ] )
+ Commitid_BestCount_M( topright_post-botleft_post
+ + [-post_dia,-post_dia]
+ + [0, thehd[1]]);
+ }
+ if (TEST) {
+ translate( concat(botleft + [thehd[0], 0], [0]) )
+ Commitid_BestCount([ size[0] - thehd[0]*2, thehd[1] ]);
+ mirror([0,0,1]) {
+ translate(concat(botleft + [test_edge,test_edge], [test_tile_th]))
+ cube(concat(size - [test_edge,test_edge]*2, [tile_th]));
+ translate(concat(botleft_post, [-1]))
+ cube(concat(topright_post-botleft_post, [tile_th+2]));
+ }
+ }
}
}
}
}
-module RoundLeftCorner(this_cnr, right_cnr) {
+module RoundCornerCut(ci) {
+ // ci should be [this_cnr, right_cnr]
+ // where right_cnr is to the right (ie, anticlockwise)
+ 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 = 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]);
[ 0, 0]
];
corners = TestPiece_holes2corners(holes);
+ rcs = [corners[0], corners[1]];
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(rcs);
}
- Posts(holes);
- RoundEdge(corners[0], corners[1]);
- RoundEdge(corners[3], corners[0]);
- RoundLeftCorner(corners[0], corners[1]);
+ RoundCornerAdd(rcs);
}
module TestPiece2(){ ////toplevel
}
function Rectangle_corners(c0, sz) =
+ // returns the corners of a rectangle from c0 to c0+sz
+ // if sz is positive, the corners are anticlockwise starting with c0
[ c0 + [ 0, 0 ],
c0 + [ sz[0], 0 ],
c0 + [ sz[0], sz[1] ],
c[2] + thehd_bl,
c[3] + thehd_br ];
+module Rectangle_TileBase(c) { TileBase(c[0], c[2]); }
+
+m4_dnl R_EDGE(c,ix)
+m4_dnl c is from Rectangle_corners and
+m4_dnl ix is a corner number
+m4_dnl expands to two comma-separated corners:
+m4_dnl that denoted by ix, and the next one anticlockwise
+m4_define(`R_EDGE',`$1[$2],$1[(($2)+1)%4]')
+
module Tile02(){ ////toplevel
sz = [100,170];
c0 = -sz;
c = Rectangle_corners(c0, sz);
posts = Rectangle_corners2posts(c);
+ rcs = [R_EDGE(c,0)];
difference(){
- TileBase(c[0], c[2]);
- InterlockEdge(c[1], c[2], 1);
+ union(){
+ Rectangle_TileBase(c);
+ Posts(posts);
+ RoundEdge(R_EDGE(c,0));
+ RoundEdge(R_EDGE(c,3));
+ InterlockEdge(R_EDGE(c,2), 0);
+ }
+ InterlockEdge(R_EDGE(c,1), 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 = [R_EDGE(c,3)];
difference(){
- TileBase(c[0], c[2]);
- InterlockEdge(c[0], c[1], 1);
+ union(){
+ Rectangle_TileBase(c);
+ Posts(posts);
+ RoundEdge(R_EDGE(c,2));
+ RoundEdge(R_EDGE(c,3));
+ }
+ InterlockEdge(R_EDGE(c,0), 1);
+ InterlockEdge(R_EDGE(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