152 lines
4.5 KiB
OpenSCAD
152 lines
4.5 KiB
OpenSCAD
// FABULA open source storyteller enclosure
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// Global dimensions, change here
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width = 120;
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height = 60;
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depth = 40;
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screw_diameter = 3;
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// Internal global variables
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rounded_edge_diameter = height;
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box_cut_height = 10;
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flange_height = 3;
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standoff_diameter=screw_diameter*3;
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// Screw standoff
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module standoff() {
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cylinder(h = depth, d = standoff_diameter, center = true);
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}
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// Screw hole, to be subtracted from standoff and box
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module screw_hole() {
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// Hole where the screw will thread into
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cylinder(h = depth - 2, d = screw_diameter, center = true);
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// Hole where the screw will pass with slack, without threading (in the lid)
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translate([0, 0, depth/2 - box_cut_height/2]) {
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cylinder(h = box_cut_height + 2, d = screw_diameter*1.5, center = true);
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}
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// Screw head bevel
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bevel_depth = 1;
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translate([0, 0, depth/2 - bevel_depth/2 + 0.1]) {
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cylinder(h = bevel_depth, d2 = screw_diameter * 2.5, d1 = screw_diameter*1.5, center = true);
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}
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}
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// Main body
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module main_body() {
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module half_body() {
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cube([width - rounded_edge_diameter/2, height/2, depth]);
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cylinder(h = depth, d = rounded_edge_diameter, $fn=256);
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}
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union() {
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translate([-(width - rounded_edge_diameter)/2, 0, -depth/2]) {
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half_body();
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}
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translate([(width - rounded_edge_diameter)/2, 0, -depth/2]) {
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mirror([1, 0, 0]) {
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mirror([0, 1, 0]) {
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half_body();
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}
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}
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}
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}
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}
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// Closed Box
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module closed_box() {
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difference() {
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union() {
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// Hollow box
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difference() {
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main_body();
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scale([0.95, 0.95, 0.95]) {
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main_body();
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}
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}
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// Screws standoffs near curved edges
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translate([width/2 - rounded_edge_diameter/2, -height/2 + standoff_diameter/2, 0]) {
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standoff();
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}
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translate([-width/2 + rounded_edge_diameter/2, height/2 - standoff_diameter/2, 0]) {
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standoff();
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}
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// Screws standoff near sharp edges
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translate([-width/2 + standoff_diameter/2, -height/2 + standoff_diameter/2, 0]) {
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standoff();
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}
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translate([width/2 - standoff_diameter/2, height/2 - standoff_diameter/2, 0]) {
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standoff();
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}
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}
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// Screw holes near curved edges
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translate([width/2 - rounded_edge_diameter/2, -height/2 + standoff_diameter/2, 0]) {
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screw_hole();
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}
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translate([-width/2 + rounded_edge_diameter/2, height/2 - standoff_diameter/2, 0]) {
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screw_hole();
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}
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// Screws holes near sharp edges
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translate([-width/2 + standoff_diameter/2, -height/2 + standoff_diameter/2, 0]) {
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screw_hole();
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}
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translate([width/2 - standoff_diameter/2, height/2 - standoff_diameter/2, 0]) {
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screw_hole();
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}
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}
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}
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// Lower box
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module box() {
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difference() {
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closed_box();
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translate([0, 0, depth - box_cut_height]) {
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cube([width*2, height*2, depth], true);
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}
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}
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}
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// Upper cap
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module cap() {
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difference() {
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closed_box();
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translate([0, 0, - box_cut_height]) {
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cube([width*2, height*2, depth], true);
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}
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}
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// Lip
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translate([0, 0, box_cut_height - 1]) {
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intersection() {
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difference() {
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scale([0.95, 0.95, 0.95]) {
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main_body();
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}
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scale([0.92, 0.92, 0.92]) {
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main_body();
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}
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// Clear screws standoffs near curved edges
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translate([width/2 - rounded_edge_diameter/2, -height/2 + standoff_diameter/2, 0]) {
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standoff();
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}
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translate([-width/2 + rounded_edge_diameter/2, height/2 - standoff_diameter/2, 0]) {
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standoff();
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}
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// Clear screws standoff near sharp edges
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translate([-width/2 + standoff_diameter/2, -height/2 + standoff_diameter/2, 0]) {
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standoff();
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}
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translate([width/2 - standoff_diameter/2, height/2 - standoff_diameter/2, 0]) {
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standoff();
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}
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}
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cube([width*2, height*2, 3], true);
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}
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}
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}
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closed_box();
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