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Safer rounded enclosure

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This commit is contained in:
Daniele Verducci
2026-01-03 09:07:42 +01:00
parent 9d6b8f6ddb
commit 2747df0265
2 changed files with 26 additions and 26 deletions
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48
enclosure/fabula_enclosure.scad
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@@ -1,8 +1,8 @@
// FABULA open source storyteller enclosure
// Global dimensions, change here
width = 120;
height = 60;
width = 200;
height = 100;
depth = 40;
screw_diameter = 3;
@@ -23,11 +23,11 @@ module screw_hole() {
cylinder(h = depth - 2, d = screw_diameter, center = true);
// Hole where the screw will pass with slack, without threading (in the lid)
translate([0, 0, depth/2 - box_cut_height/2]) {
cylinder(h = box_cut_height + 2, d = screw_diameter*1.5, center = true);
cylinder(h = box_cut_height + 12, d = screw_diameter*1.5, center = true);
}
// Screw head bevel
bevel_depth = 1;
translate([0, 0, depth/2 - bevel_depth/2 + 0.1]) {
translate([0, 0, depth/2 - bevel_depth/2 + 6]) {
cylinder(h = bevel_depth, d2 = screw_diameter * 2.5, d1 = screw_diameter*1.5, center = true);
}
}
@@ -60,39 +60,42 @@ module closed_box() {
union() {
// Hollow box
difference() {
main_body();
scale([0.95, 0.95, 0.95]) {
// Round all edges to avoid danger for the children
minkowski() {
$fn = 64;
main_body();
sphere(6);
}
main_body();
}
// Screws standoffs near curved edges
translate([width/2 - rounded_edge_diameter/2, -height/2 + standoff_diameter/2, 0]) {
translate([width/2 - rounded_edge_diameter/2, -height/2, 0]) {
standoff();
}
translate([-width/2 + rounded_edge_diameter/2, height/2 - standoff_diameter/2, 0]) {
translate([-width/2 + rounded_edge_diameter/2, height/2, 0]) {
standoff();
}
// Screws standoff near sharp edges
translate([-width/2 + standoff_diameter/2, -height/2 + standoff_diameter/2, 0]) {
translate([-width/2 + standoff_diameter/2, -height/2, 0]) {
standoff();
}
translate([width/2 - standoff_diameter/2, height/2 - standoff_diameter/2, 0]) {
translate([width/2 - standoff_diameter/2, height/2, 0]) {
standoff();
}
}
// Screw holes near curved edges
translate([width/2 - rounded_edge_diameter/2, -height/2 + standoff_diameter/2, 0]) {
translate([width/2 - rounded_edge_diameter/2, -height/2, 0]) {
screw_hole();
}
translate([-width/2 + rounded_edge_diameter/2, height/2 - standoff_diameter/2, 0]) {
translate([-width/2 + rounded_edge_diameter/2, height/2, 0]) {
screw_hole();
}
// Screws holes near sharp edges
translate([-width/2 + standoff_diameter/2, -height/2 + standoff_diameter/2, 0]) {
translate([-width/2 + standoff_diameter/2, -height/2, 0]) {
screw_hole();
}
translate([width/2 - standoff_diameter/2, height/2 - standoff_diameter/2, 0]) {
translate([width/2 - standoff_diameter/2, height/2, 0]) {
screw_hole();
}
}
@@ -121,24 +124,22 @@ module cap() {
translate([0, 0, box_cut_height - 1]) {
intersection() {
difference() {
scale([0.95, 0.95, 0.95]) {
main_body();
}
scale([0.92, 0.92, 0.92]) {
main_body();
scale([0.96, 0.96, 0.96]) {
main_body();
}
// Clear screws standoffs near curved edges
translate([width/2 - rounded_edge_diameter/2, -height/2 + standoff_diameter/2, 0]) {
translate([width/2 - rounded_edge_diameter/2, -height/2, 0]) {
standoff();
}
translate([-width/2 + rounded_edge_diameter/2, height/2 - standoff_diameter/2, 0]) {
translate([-width/2 + rounded_edge_diameter/2, height/2, 0]) {
standoff();
}
// Clear screws standoff near sharp edges
translate([-width/2 + standoff_diameter/2, -height/2 + standoff_diameter/2, 0]) {
translate([-width/2, -height/2, 0]) {
standoff();
}
translate([width/2 - standoff_diameter/2, height/2 - standoff_diameter/2, 0]) {
translate([width/2, height/2, 0]) {
standoff();
}
}
@@ -147,5 +148,4 @@ module cap() {
}
}
closed_box();
closed_box();