overall_outer_diameter = 75;
overall_thickness = 15;
neopixel_holder_thickness = 7.5;
translucent_disk_thickness = overall_thickness - neopixel_holder_thickness;
ring_24_outer_diameter = 65.6 + 0.5;
ring_24_inner_diameter = 52.3 - 0.5;
ring_12_outer_diameter = 36.8 + 0.5;
ring_12_inner_diameter = 23.3 - 0.5;
ring_thickness = 6.7;
ring_z_offset = neopixel_holder_thickness - ring_thickness;
channel_length = ring_24_inner_diameter/2;
channel_width = 4;
channel_angle = 32.5;
main_channel_diameter = 10;
alignment_pin_position = (-overall_outer_diameter/2) + 1.5;
alignment_pin_width = 4;
alignment_pin_length = ((overall_outer_diameter/2 - ring_24_outer_diameter/2)/2) + 1.5;
$fn = 200;
module ring(h, od, id) {
difference() {
cylinder(h=h, d=od);
cylinder(h=h, d=id);
}
};
module channel() {
translate([-(channel_length), -(channel_width/2), ring_z_offset])
cube([channel_length, channel_width, ring_thickness+1]);
for (angle=[channel_angle, -channel_angle])
rotate([0, 0, angle])
translate([0, -(channel_width/2), ring_z_offset])
cube([channel_length, channel_width, ring_thickness+1]);
translate([0, 0, -1])
cylinder(h=neopixel_holder_thickness+2, d=main_channel_diameter);
};
module alignment_pin() {
for (x=[0, 1])
mirror([x, 0, 0])
translate([alignment_pin_position, -(alignment_pin_width-0.2)/2, ring_z_offset])
cube([alignment_pin_length, alignment_pin_width-0.2, neopixel_holder_thickness - ring_z_offset + 0.1]);
}
module neopixel_holder() {
difference () {
cylinder(h=neopixel_holder_thickness, d=overall_outer_diameter);
for (d=[[ring_24_outer_diameter, ring_24_inner_diameter], [ring_12_outer_diameter, ring_12_inner_diameter]])
translate([0, 0, ring_z_offset])
ring(h=ring_thickness+1, od=d[0], id=d[1]);
channel();
alignment_pin();
}
};
module translucent_disk() {
cylinder(h=translucent_disk_thickness, d=overall_outer_diameter);
for (x=[0, 1])
mirror([x, 0, 0])
translate([alignment_pin_position, -(4-0.2)/2, translucent_disk_thickness])
cube([3, 4-0.2, neopixel_holder_thickness -ring_z_offset]);
};
neopixel_holder();
// translate([-(overall_outer_diameter/2+1), 0, 0]) neopixel_holder();
//translate([(overall_outer_diameter/2+1), 0, 0]) translucent_disk();