pre-bemis
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Marcelo
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// Parametric Box with Lid
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// A customizable storage box for 3D printing
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// === Box Parameters ===
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width = 60; // [20:200] Width in mm
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depth = 40; // [20:200] Depth in mm
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height = 30; // [10:150] Height in mm
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wall_thickness = 2; // [1:0.5:5] Wall thickness in mm
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// === Lid Parameters ===
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include_lid = true; // Include a separate lid
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lid_height = 8; // [5:30] Lid height in mm
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lid_tolerance = 0.3; // [0.1:0.1:0.8] Gap for lid fit
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// === Style Options ===
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corner_radius = 3; // [0:10] Corner rounding radius
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add_grip = true; // Add grip indents to lid
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// === Internal ===
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$fn = 32; // Smoothness
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// Rounded box module
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module rounded_box(w, d, h, r) {
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if (r > 0) {
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hull() {
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for (x = [r, w-r]) {
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for (y = [r, d-r]) {
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translate([x, y, 0])
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cylinder(h = h, r = r);
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}
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}
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}
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} else {
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cube([w, d, h]);
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}
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}
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// Main box body
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module box_body() {
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difference() {
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rounded_box(width, depth, height, corner_radius);
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// Hollow inside
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translate([wall_thickness, wall_thickness, wall_thickness])
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rounded_box(
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width - 2*wall_thickness,
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depth - 2*wall_thickness,
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height, // Open top
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max(0, corner_radius - wall_thickness)
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);
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}
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}
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// Lid
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module lid() {
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inner_w = width - 2*wall_thickness - 2*lid_tolerance;
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inner_d = depth - 2*wall_thickness - 2*lid_tolerance;
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lip_height = lid_height * 0.6;
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difference() {
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union() {
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// Top cap
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rounded_box(width, depth, wall_thickness, corner_radius);
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// Inner lip
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translate([wall_thickness + lid_tolerance, wall_thickness + lid_tolerance, -lip_height + wall_thickness])
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rounded_box(inner_w, inner_d, lip_height, max(0, corner_radius - wall_thickness));
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}
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// Grip indents
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if (add_grip) {
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for (x = [width * 0.3, width * 0.7]) {
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translate([x, -1, wall_thickness/2])
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rotate([-90, 0, 0])
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cylinder(h = 5, r = 3, $fn = 16);
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translate([x, depth - 4, wall_thickness/2])
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rotate([-90, 0, 0])
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cylinder(h = 5, r = 3, $fn = 16);
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}
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}
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}
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}
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// Render
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box_body();
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if (include_lid) {
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// Position lid next to box for printing
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translate([width + 10, 0, lid_height - wall_thickness])
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rotate([180, 0, 0])
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lid();
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}
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95
rpi-case/.claude/skills/openscad/examples/phone_stand.scad
Normal file
95
rpi-case/.claude/skills/openscad/examples/phone_stand.scad
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@@ -0,0 +1,95 @@
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// Adjustable Phone/Tablet Stand
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// Parametric stand with customizable angle and size
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// === Device Parameters ===
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device_width = 80; // [50:200] Device width in mm
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device_thickness = 12; // [6:20] Device thickness (with case)
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// === Stand Parameters ===
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stand_angle = 65; // [45:85] Viewing angle in degrees
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stand_depth = 80; // [50:150] Base depth in mm
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stand_height = 100; // [60:200] Back support height in mm
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// === Construction ===
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material_thickness = 4; // [2:0.5:8] Material thickness
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slot_depth = 15; // [10:30] How deep device sits in slot
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// === Features ===
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cable_hole = true; // Add cable pass-through hole
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cable_diameter = 15; // [8:25] Cable hole diameter
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add_feet = true; // Add anti-slip feet
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// === Quality ===
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$fn = 48;
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module stand_profile() {
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// 2D profile of the stand side
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polygon([
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[0, 0], // Front bottom
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[stand_depth, 0], // Back bottom
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[stand_depth, material_thickness], // Back bottom inner
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[stand_depth - material_thickness, material_thickness], // Base top back
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[slot_depth + material_thickness, material_thickness], // Base top front (behind slot)
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[slot_depth + material_thickness, slot_depth * tan(90 - stand_angle) + material_thickness], // Slot back
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[material_thickness, slot_depth * tan(90 - stand_angle) + material_thickness + device_thickness / sin(stand_angle)], // Slot front top
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[0, slot_depth * tan(90 - stand_angle) + material_thickness], // Front face bottom of slot
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[0, 0] // Close
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]);
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}
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module back_support() {
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// Back angled support
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translate([stand_depth - material_thickness, 0, material_thickness]) {
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rotate([0, -90 + stand_angle, 0]) {
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cube([stand_height, device_width, material_thickness]);
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}
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}
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}
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module cable_cutout() {
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if (cable_hole) {
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translate([stand_depth/2, device_width/2, -1])
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cylinder(h = material_thickness + 2, d = cable_diameter);
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}
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}
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module foot() {
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cylinder(h = 2, d1 = 10, d2 = 8);
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}
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module stand() {
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difference() {
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union() {
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// Left side
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linear_extrude(material_thickness)
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stand_profile();
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// Right side
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translate([0, device_width - material_thickness, 0])
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linear_extrude(material_thickness)
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stand_profile();
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// Base plate
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cube([stand_depth, device_width, material_thickness]);
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// Front lip
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cube([material_thickness, device_width, slot_depth * tan(90 - stand_angle) + material_thickness]);
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// Back support
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back_support();
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}
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// Cable hole
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cable_cutout();
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}
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// Feet
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if (add_feet) {
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translate([10, 10, 0]) foot();
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translate([10, device_width - 10, 0]) foot();
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translate([stand_depth - 10, 10, 0]) foot();
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translate([stand_depth - 10, device_width - 10, 0]) foot();
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}
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}
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stand();
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