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use <utils.scad>
module d4(size=false, side=false) {
l = side ? side : s2s_d4(size);
if (l == false) {
echo("ERROR: d4: one of side or size should be defined");
}
r = sqrt(6)/4*l;
c = r*2;
difference() {
intersection() {
sphere(r=r*0.79, $fn=64);
translate([0, 0, r-r/3]) cube(c, center=true);
intersection_for ( i = [0:2] ) {
rotate([0, 0, 120*i]) rotate([acos(1/3)+180, 0, 0])
translate([0, 0, r-r/3]) cube(c, center=true);
}
}
rotate([180, 0, 0]) translate([0, 0, r/3]) child(0);
rotate([acos(1/3)+180, 0, 0]) rotate([180, 0, 0]) translate([0, 0, r/3]) child(1);
rotate([0, 0, 120]) rotate([acos(1/3)+180, 0, 0]) rotate([180, 0, 0]) translate([0, 0, r/3]) child(2);
rotate([0, 0, 240]) rotate([acos(1/3)+180, 0, 0]) rotate([180, 0, 0]) translate([0, 0, r/3]) child(3);
}
}
module d6(size=false, side=false) {
l = side ? side : s2s_d6(size);
if (l == false) {
echo("ERROR: d6: one of side or size should be defined");
}
difference() {
intersection() {
cube(l, center=true);
sphere(l*0.79);
}
translate([0, 0, l/2]) child(0);
rotate([90, 0, 0]) translate([0, 0, l/2]) child(1);
rotate([0, 90, 0]) translate([0, 0, l/2]) child(2);
rotate([-90, 0, 0]) translate([0, 0, l/2]) child(3);
rotate([0, -90, 0]) translate([0, 0, l/2]) child(4);
rotate([180, 0, 0]) translate([0, 0, l/2]) child(5);
}
}
module d8(size=false, side=false) {
l = side ? side : s2s_d8(size);
if (l == false) {
echo("ERROR: d8: one of side or size should be defined");
}
r = sqrt(2)/2*l;
c = r*2;
i_r = sqrt(6)/6*l;
difference() {
intersection() {
sphere(r*0.86, $fn=64);
cube([c, c, i_r*2], center=true);
intersection_for ( i = [0:2] ) {
rotate([0, 0, 120*i]) rotate([acos(-1/3), 0, 0]) cube([c, c, i_r*2], center=true);
}
}
translate([0, 0, i_r]) child(0);
rotate([acos(-1/3), 0, 0]) translate([0, 0, i_r]) child(1);
rotate([0, 0, 120]) rotate([acos(-1/3)+180, 0, 0]) translate([0, 0, i_r]) child(2);
rotate([0, 0, -120]) rotate([acos(-1/3)+180, 0, 0]) translate([0, 0, i_r]) child(3);
rotate([0, 0, -120]) rotate([acos(-1/3), 0, 0]) translate([0, 0, i_r]) child(4);
rotate([0, 0, 120]) rotate([acos(-1/3), 0, 0]) translate([0, 0, i_r]) child(5);
rotate([acos(-1/3)+180, 0, 0]) translate([0, 0, i_r]) child(6);
rotate([180, 0, 0]) translate([0, 0, i_r]) child(0);
}
}
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