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simplify piece dimensions; round piece holder edges
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@ellemenno
ellemenno committed Aug 2, 2021
1 parent f8e0c4b commit d9fdd37
Showing 1 changed file with 40 additions and 32 deletions.
72 changes: 40 additions & 32 deletions cover3x3.scad
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Expand Up @@ -15,13 +15,13 @@ sm_piece_diameter = 24;
air_gap = 1; // stacking clearance

// computed variables
sm = [sm_piece_diameter, sm_piece_diameter]; // small piece w, h
md = [sm.x+piece_thickness*2+air_gap, sm.y+piece_thickness+air_gap]; // medium
lg = [md.x+piece_thickness*2+air_gap, md.y+piece_thickness+air_gap]; // large
sm = sm_piece_diameter;
md = sm+piece_thickness*2+air_gap; // medium
lg = md+piece_thickness*2+air_gap; // large

board_dim = 3 * (lg.x+air_gap*2 + (piece_spacing*2));
board_dim = 3 * (lg+air_gap*2 + (piece_spacing*2));
box_size = slide_top_box_size(
size=[lg.y+2+(wall_thickness*2), board_dim, board_dim],
size=[lg+2+(wall_thickness*2), board_dim, board_dim],
thickness=wall_thickness,
is_interior_size=true
);
Expand All @@ -42,9 +42,9 @@ echo("- - - - - - - -");
color("white") box_and_gameboard(box_size, wall_thickness, [sm, md, lg], piece_spacing, air_gap);

// pieces, behind box
translate([-lg.x/2-piece_thickness, lg.y/2+piece_thickness, 0]) {
color("red") translate([0, 0, 0]) piece_set(sm, md, lg, piece_thickness, marked=true);
color("royalblue") translate([0, lg.x*2, 0]) piece_set(sm, md, lg, piece_thickness, marked=false);
translate([-lg/2-piece_thickness, lg/2+piece_thickness, 0]) {
color("red") translate([0, 0, 0]) piece_set(sm, md, lg, piece_thickness, marked=true);
color("royalblue") translate([0, lg*2, 0]) piece_set(sm, md, lg, piece_thickness, marked=false);
}


Expand Down Expand Up @@ -93,37 +93,37 @@ module piece(w, h, thickness=1, marked=true, solid=false, fs=0.5) {
}

module piece_set(sm, md, lg, thickness=4, marked=true) {
gap = md.x - sm.x;
translate([ 0, 0, 0]) piece(sm.x, sm.y, thickness, marked, solid=true);
translate([ -md.x, 0, 0]) piece(md.x, md.y, thickness, marked);
translate([ -(md.x+lg.x), 0, 0]) piece(lg.x, lg.y, thickness, marked);
translate([ 0, lg.x, 0]) piece(lg.x, lg.y, thickness, marked);
translate([ -(lg.x), lg.x, 0]) piece(md.x, md.y, thickness, marked);
translate([-(lg.x+md.x), lg.x, 0]) piece(sm.x, sm.y, thickness, marked, solid=true);
gap = md - sm;
translate([ 0, 0, 0]) piece(sm, sm, thickness, marked, solid=true);
translate([ -md, 0, 0]) piece(md, md, thickness, marked);
translate([-(md+lg), 0, 0]) piece(lg, lg, thickness, marked);
translate([ 0, lg, 0]) piece(lg, lg, thickness, marked);
translate([ -(lg), lg, 0]) piece(md, md, thickness, marked);
translate([-(lg+md), lg, 0]) piece(sm, sm, thickness, marked, solid=true);
}

module hole_grid(size, spacing=2, air_gap=1, fs=0.5) {
module hole_grid(diameter, spacing=2, air_gap=1, fs=0.5) {
module hole_row(w, h, s) {
translate([w*0+s*0*2, 0, 0]) cylinder(h=h, r=w/2, $fs=fs);
translate([w*1+s*1*2, 0, 0]) cylinder(h=h, r=w/2, $fs=fs);
translate([w*2+s*2*2, 0, 0]) cylinder(h=h, r=w/2, $fs=fs);
}
w = size.x + air_gap*2;
w = diameter + air_gap*2;
r = w/2;
translate([r+spacing, r+spacing, 0]) {
translate([0, w*0+spacing*0*2, 0]) hole_row(w, size.y, spacing);
translate([0, w*1+spacing*1*2, 0]) hole_row(w, size.y, spacing);
translate([0, w*2+spacing*2*2, 0]) hole_row(w, size.y, spacing);
translate([0, w*0+spacing*0*2, 0]) hole_row(w, diameter, spacing);
translate([0, w*1+spacing*1*2, 0]) hole_row(w, diameter, spacing);
translate([0, w*2+spacing*2*2, 0]) hole_row(w, diameter, spacing);
}
}

module rounder_grid(size, spacing=2, air_gap=1, f=3) {
module rounder_grid(diameter, spacing=2, air_gap=1, f=3) {
module rounder_row(w, r, s, f) {
translate([w*0+s*0*2, 0, 0]) round_inner(r, f);
translate([w*1+s*1*2, 0, 0]) round_inner(r, f);
translate([w*2+s*2*2, 0, 0]) round_inner(r, f);
}
w = size.x + air_gap*2;
w = diameter + air_gap*2;
r = w/2;
translate([r+spacing, r+spacing, 0]) {
translate([0, w*0+spacing*0*2, 0]) rounder_row(w, r+f, spacing, f);
Expand All @@ -132,12 +132,12 @@ module rounder_grid(size, spacing=2, air_gap=1, f=3) {
}
}

module piece_holder(size, r, t, a, fs=0.5) {
module piece_holder(box_size, r, t, a, f, fs=0.5) {
// r: piece radius
// t: wall thickness
// a: air gap
x = size.x-t*2; // box cavity height / piece height
yy = (size.y - (r+t+a)*4) / 2; // distance from edge of box to holder
x = box_size.x-t*2; // box cavity height / piece height
yy = (box_size.y - (r+t+a)*4) / 2; // distance from edge of box to holder

module u_holder() {
difference() {
Expand All @@ -153,13 +153,21 @@ module piece_holder(size, r, t, a, fs=0.5) {
}
}

union() {
cube([x, yy, t]);
translate([0, yy, 0]) {
translate([0, 0, -(r+t+a)*4+t]) u_holder();
translate([0, (r+t+a)*2, -(r+t+a)*4+t]) u_holder();
difference() {
union() {
cube([x, yy, t]);
translate([0, yy, 0]) {
translate([0, 0, -(r+t+a)*4+t]) u_holder();
translate([0, (r+t+a)*2, -(r+t+a)*4+t]) u_holder();
}
translate([0, yy+((r+t+a)*4), 0]) cube([x, yy, t]);
}
translate([0, yy+((r+t+a)*4), 0]) cube([x, yy, t]);

gap = a+r+r+a;
translate([0, yy+t, t]) rotate([ 0, 0, 0]) round_linear(x, f);
translate([0, yy+t+gap, t]) rotate([90, 0, 0]) round_linear(x, f);
translate([0, yy+t+gap+t+t, t]) rotate([ 0, 0, 0]) round_linear(x, f);
translate([0, yy+t+gap+t+t+gap, t]) rotate([90, 0, 0]) round_linear(x, f);
}
}

Expand All @@ -177,7 +185,7 @@ module box_and_gameboard(box_size, wall_thickness, pieces, piece_spacing, air_ga
// box base
slide_top_box(box_size, wall_thickness, f);
// piece holder
translate([wall_thickness, 0, box_size.z-wall_thickness*2]) piece_holder(box_size, lg.x/2, wall_thickness, air_gap);
translate([wall_thickness, 0, box_size.z-wall_thickness*2]) piece_holder(box_size, lg/2, wall_thickness, air_gap, f);
// piece plate, minus holes, then rounded inner edges
translate([box_size.x, 0, 0])
difference() {
Expand Down

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