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leopardboard-mount.scad
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leopardboard-mount.scad
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// Box for beagleboard, (c) 2010 - Koen Kooi, licensed under CC-BY-SA
/* gcode start.txt
G1 X-25.0 Y20.0 Z0.44 F1500
M101
G1 X-25.0 Y-20.0 Z0.4 F945
G1 X25.0 Y-20.0 Z0.4 F945
G1 X25.0 Y20.0 Z0.4 F945
G1 X-25.0 Y20.0 Z0.4 F945
*/
<../bitmap.scad>
inside_l = 77;
inside_w = 64;
edge_thickness = 3;
// stud is inside the wall but aligned to the bottom,
// so its stud_size x stud_size x (stud_height - edge_thickness) big
stud_size = 7;
stud_height = 6;
pcb_thickness = 2;
// Set this to zero have a 'coaster' instead of a box
extra_height = 7;
box_length = inside_l + (edge_thickness * 2);
box_width = inside_w + (edge_thickness * 2);
box_height = stud_height + pcb_thickness + extra_height;
// Put knobs on studs
use_knobs = 0;
knob_height = 1;
//rounded corners
use_rounded_corners = 1;
inside_corner_radius = edge_thickness*2;
corner_radius = edge_thickness*2;
//Text
chars = ["B","e","a","g","l","e","b","o","a","r","d"];
char_count = 11;
translate(v = [ -box_width / 2, -box_length / 2, 0]) {
difference() {
union() {
/*
translate(v=[box_width - 0.7,box_length - 74.8 , box_height/2 + extra_height - 3]) {
}
*/
// hollowed out box
difference() {
//outside
cube([box_width, box_length, box_height], center = false);
//inside
translate(v = [edge_thickness, edge_thickness, edge_thickness]) {
cube([inside_w, inside_l, box_height], center = false);
}
//hole
translate(v = [stud_size + edge_thickness,
stud_size + edge_thickness,
-edge_thickness]) {
cube([inside_w - stud_size * 2, inside_l - stud_size * 2, box_height], center = false);
}
}
if(use_rounded_corners == 1) {
//rounded corner topleft
translate(v = [edge_thickness + stud_size, box_length - edge_thickness - stud_size, 0]) {
difference() {
translate(v=[0,-inside_corner_radius,0]) {
cube([inside_corner_radius,inside_corner_radius,edge_thickness], center=false);
}
translate(v=[inside_corner_radius, -inside_corner_radius, 0]) {
cylinder(r=inside_corner_radius, h=edge_thickness, $fn=100);
}
}
}
//rounded corner topright
translate(v = [box_width - edge_thickness - stud_size, box_length - edge_thickness - stud_size, 0]) {
difference() {
translate(v=[-inside_corner_radius,-inside_corner_radius,0]) {
cube([inside_corner_radius,inside_corner_radius,edge_thickness], center=false);
}
translate(v=[-inside_corner_radius, -inside_corner_radius, 0]) {
cylinder(r=inside_corner_radius, h=edge_thickness, $fn=100);
}
}
}
//rounded corner bottomright
translate(v = [box_width - edge_thickness - stud_size, edge_thickness + stud_size, 0]) {
difference() {
translate(v=[-inside_corner_radius,0,0]) {
cube([inside_corner_radius,inside_corner_radius,edge_thickness], center=false);
}
translate(v=[-inside_corner_radius, inside_corner_radius, 0]) {
cylinder(r=inside_corner_radius, h=edge_thickness, $fn=100);
}
}
}
//rounded corner bottomleft
translate(v = [edge_thickness + stud_size, edge_thickness + stud_size, 0]) {
difference() {
translate(v=[0,0,0]) {
cube([inside_corner_radius,inside_corner_radius,edge_thickness], center=false);
}
translate(v=[inside_corner_radius, inside_corner_radius, 0]) {
cylinder(r=inside_corner_radius, h=edge_thickness, $fn=100);
}
}
}
} // end if rounded corners
//support studs
translate(v = [edge_thickness, edge_thickness, 0]) {
cube([stud_size, stud_size, stud_height], center = false);
}
translate(v = [box_width - stud_size - edge_thickness, edge_thickness, 0]) {
cube([stud_size, stud_size, stud_height], center = false);
}
translate(v = [box_width - stud_size - edge_thickness, box_length - stud_size - edge_thickness, 0]) {
cube([stud_size, stud_size, stud_height], center = false);
}
translate(v = [edge_thickness, box_length - stud_size - edge_thickness, 0]) {
cube([stud_size, stud_size, stud_height], center = false);
}
if(use_knobs == 1)
{
// bolt studs
translate(v = [edge_thickness + stud_size / 2 + 0.7,
edge_thickness + stud_size / 2 + 0.7,
stud_height]) {
cylinder(h = knob_height, r = 1.3);
}
// bolt studs
translate(v = [box_width - edge_thickness - stud_size / 2 -0.7,
edge_thickness + stud_size / 2 + 0.7,
stud_height]) {
cylinder(h = knob_height, r = 1.3);
}
// bolt studs
translate(v = [box_width - edge_thickness - stud_size / 2 -0.7,
box_length - edge_thickness - stud_size / 2 -0.7,
stud_height]) {
cylinder(h = knob_height, r = 1.3);
}
// bolt studs
translate(v = [edge_thickness + stud_size / 2 + 0.7,
box_length - edge_thickness - stud_size / 2 -0.7,
stud_height]) {
cylinder(h = knob_height, r = 1.3);
}
}
} // end union
//sd: 25mm long, 22mm corner offset
translate(v = [22 + edge_thickness, box_length - edge_thickness*2, stud_height + pcb_thickness]) {
cube([25, edge_thickness*3, extra_height], center=false);
}
//power: 23mm long, 21mm corner offset
translate(v = [0,21 + edge_thickness, stud_height + pcb_thickness]) {
cube([edge_thickness, 23, extra_height], center=false);
}
if(use_rounded_corners == 1) {
//rounded corner topleft
translate(v = [0, box_length, 0]) {
difference() {
translate(v=[0,-corner_radius,0]) {
cube([corner_radius,corner_radius,box_height], center=false);
}
translate(v=[corner_radius, -corner_radius, 0]) {
cylinder(r=corner_radius, h=box_height, $fn=100);
}
}
}
//rounded corner topright
translate(v = [box_width, box_length, 0]) {
difference() {
translate(v=[-corner_radius,-corner_radius,0]) {
cube([corner_radius,corner_radius,box_height], center=false);
}
translate(v=[-corner_radius, -corner_radius, 0]) {
cylinder(r=corner_radius, h=box_height, $fn=100);
}
}
}
//rounded corner bottomright
translate(v = [box_width, 0, 0]) {
difference() {
translate(v=[-corner_radius,0,0]) {
cube([corner_radius,corner_radius,box_height], center=false);
}
translate(v=[-corner_radius, corner_radius, 0]) {
cylinder(r=corner_radius, h=box_height, $fn=100);
}
}
}
//rounded corner bottomleft
translate(v = [0, 0, 0]) {
difference() {
translate(v=[0,0,0]) {
cube([corner_radius,corner_radius,box_height], center=false);
}
translate(v=[corner_radius, corner_radius, 0]) {
cylinder(r=corner_radius, h=box_height, $fn=100);
}
}
}
} // end if rounded corners
} // end difference
} // end translate