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A modern wall mounted light bar for above a bathroom mirror. Three GU10 spots point down through the recessed bottom plate, hidden behind the front lip. The fixture parameter picks how the spots are held: store bought recessed GU10 fixtures that clamp into round cutouts with their own spring clips and tilt mechanism, optionally counterbored flush, or the printed variants. The printed cup and the printed tilt cartridge are now open snap collars that grip the lamp by its own 50 mm face rim: four spring fingers with snap bumps catch under the rim and a fixed shoulder stops it above, so the lamp is captive regardless of lamp length or socket position. The collar is open at the top; the socket simply presses onto the lamp pins and floats on its wire. The cartridge keeps its filament hinge. All rounding is squircle style with exact superellipsoid corners; past the physical cap the exponent relaxes toward an ellipse and the bar height compensates for the roof curvature. Flat back, sharp bottom edge, service windows, dovetail joints. The printed cups descend from mick/lamp-fittings.
The image shows the solid OpenSCAD renders at part all · segment_number 1 · cutaway false · show_fixtures false · fixture cartridges · saw_diameter 75 · ring_diameter 93 · ring_thickness 4 · sink_rings_flush true · fixture_depth 120 · width 500 · depth 100 · height 100 · spots 3 · corner_rounding 14 · front_lip 15 · bottom_rim 2.5 · body_color White · print_segments 3 · wall_thickness 2.5 · tilt_range 15 · preview_tilt 0.
Bathroom mirror light bar
mick/mirror-light@3.2.0
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Parameters
from sourceDescription
What is this
A modern wall mounted light bar for above a bathroom mirror. Three GU10 spots point down through the recessed bottom plate, hidden behind the front lip. The fixture parameter picks how the spots are held: store bought recessed GU10 fixtures that clamp into round cutouts with their own spring clips and tilt mechanism, optionally counterbored flush, or the printed variants. The printed cup and the printed tilt cartridge are now open snap collars that grip the lamp by its own 50 mm face rim: four spring fingers with snap bumps catch under the rim and a fixed shoulder stops it above, so the lamp is captive regardless of lamp length or socket position. The collar is open at the top; the socket simply presses onto the lamp pins and floats on its wire. The cartridge keeps its filament hinge. All rounding is squircle style with exact superellipsoid corners; past the physical cap the exponent relaxes toward an ellipse and the bar height compensates for the roof curvature. Flat back, sharp bottom edge, service windows, dovetail joints. The printed cups descend from mick/lamp-fittings.
What you use it for
For recessed fixtures: set saw_diameter, ring_diameter, ring_thickness and fixture_depth from the fixture; the bar height follows automatically. For the printed variants: press the socket onto the lamp pins, feed socket and wire up through the open collar from below, and push the lamp in until its rim clicks past the four bumps; the rim then sits between the bumps and the shoulder and cannot fall. Pull the lamp firmly to snap it out for relamping, from the front, no tools. Print the segments; each cut carries one dovetail key with a 0.15 mm allowance. Glue the mating faces and slide the segments together from the front. Wire in parallel through the service windows and hang the bar on the keyholes. LED GU10 lamps only, PETG or ASA for a bathroom, out of the shower zones, and have the mains connection checked if you are not certain of it.
Design notes
The snap seat, from the face plane down: a lead in cone, a finger band with eight relief slots and four bumps reaching to 47 mm, then the flange. Above the face pocket the bore steps to 47.5 mm, forming the shoulder that stops the 50 mm rim. The lamp is clamped only by its rim, so any GU10 length works and the socket needs no mounting at all. The cartridge collar is 20 mm tall with the hinge holes at 15 mm; its swept volume, extended for the below face flange, still shapes the ring bore and plate slot for free tilt clearance. Corners are exact superellipsoid polyhedra, the shell is clipped to its bounding box, the cavity to the plate, and the bottom opening is a true inward offset of the outer footprint. part = segment exports one segment on its back, part = cartridge the snap collar cartridge print ready.
Parameters
fixture picks the spot mounting; saw_diameter, ring_diameter, ring_thickness, sink_rings_flush and fixture_depth describe a recessed fixture. width, depth, height and spots size the bar; height grows automatically when too small for the fixtures. corner_rounding, front_lip, bottom_rim and body_color set the look, print_segments and wall_thickness the print, segment_number picks the exported section, and cutaway plus show_fixtures control the preview. tilt_range and preview_tilt only matter for the printed cartridges.
Use with your agent
{
"mcpServers": {
"remixcad": {
"type": "http",
"url": "https://remix-cad.vercel.app/api/mcp"
}
}
}get_model("mick/mirror-light@3.2.0")Returns the manifest, the source, the import closure and the license obligations. Full MCP setup.
Parameter table
Parsed from the Customizer annotations in main.scad| Name | Default | Range | Unit | Description |
|---|---|---|---|---|
| part | "all" | all, segment, cartridge | ||
| segment_number | 1 | 1 to 6 step 1 | ||
| cutaway | false | |||
| show_fixtures | false | |||
| fixture | "cartridges" | recessed, cups, cartridges | ||
| saw_diameter | 75 | 50 to 90 step 1 | ||
| ring_diameter | 93 | 60 to 110 step 1 | ||
| ring_thickness | 4 | 2 to 8 step 0.5 | ||
| sink_rings_flush | true | |||
| fixture_depth | 120 | 60 to 150 step 5 | ||
| width | 500 | 300 to 800 step 10 | ||
| depth | 100 | 70 to 140 step 5 | ||
| height | 100 | 70 to 160 step 5 | ||
| spots | 3 | 2 to 5 step 1 | ||
| corner_rounding | 14 | 2 to 120 step 1 | ||
| front_lip | 15 | 8 to 30 step 1 | ||
| bottom_rim | 2.5 | 2 to 12 step 0.5 | ||
| body_color | "White" | White, Silver, Gainsboro, DimGray, Black, SlateGray, FireBrick, SteelBlue, ForestGreen, Goldenrod | ||
| print_segments | 3 | 1 to 6 step 1 | ||
| wall_thickness | 2.5 | 2 to 4 step 0.25 | ||
| tilt_range | 15 | 5 to 20 step 1 | ||
| preview_tilt | 0 | -20 to 20 step 1 |
Lineage
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License
Whoever downloads this takes these obligations along- mick/mirror-light@3.2.0 is MIT
Source
main.scad is the entrypointmain.scad
// Bathroom mirror light bar. Remix of mick/lamp-fittings. Spots point down
// behind a front lip. Fixture options: store bought recessed GU10 fixtures in
// round cutouts (optionally counterbored flush; bar height auto-grows), or
// printed snap collars, fixed or tilting on filament hinge pins, that grip the
// lamp by its own 50 mm face rim between spring fingers and a shoulder. Open
// top, floating socket. Squircle rounding with exact superellipsoid corners.
// Spot cutouts are confined between the walls. Dovetail joints.
/* [Model] */
// The whole bar, one print segment laid flat, or the snap collar cartridge print ready.
part = "all"; // [all, segment, cartridge]
// Which segment when part = segment.
segment_number = 1; // [1:1:6]
// Slice the display view open through the spots.
cutaway = false;
// Show the grey lamp and fixture dummies in the preview. Printed parts always show. Display only, never part of a print.
show_fixtures = false;
/* [Fixture] */
// How the spots are held: store bought recessed GU10 fixtures in round cutouts, or printed snap collars, fixed (cups) or tilting (cartridges).
fixture = "cartridges"; // [recessed, cups, cartridges]
// Saw diameter of the recessed fixture, the hole cut in the plate.
saw_diameter = 75; // [50:1:90]
// Outer diameter of the fixture trim ring.
ring_diameter = 93; // [60:1:110]
// Thickness of the fixture trim ring, for the flush seat. Measure yours.
ring_thickness = 4; // [2:0.5:8]
// Sink the fixture rings flush with the underside of the plate.
sink_rings_flush = true;
// Recess depth the fixture needs behind the plate. The bar grows automatically to fit it.
fixture_depth = 120; // [60:5:150]
/* [Size] */
// Width of the bar in mm.
width = 500; // [300:10:800]
// Depth from the wall in mm.
depth = 100; // [70:5:140]
// Height of the bar in mm. Grows automatically when too small for the fixtures.
height = 100; // [70:5:160]
// Number of GU10 spots.
spots = 3; // [2:1:5]
/* [Style] */
// One value for all rounded edges, squircle style. Past the physical cap of the bar the curve automatically relaxes toward an ellipse, so higher values keep looking rounder.
corner_rounding = 14; // [2:1:120]
// How far the front drops past the lamp faces, hiding them from view.
front_lip = 15; // [8:1:30]
// Thickness of the visible rim around the bottom opening.
bottom_rim = 2.5; // [2:0.5:12]
// Display colour of the body.
body_color = "White"; // [White, Silver, Gainsboro, DimGray, Black, SlateGray, FireBrick, SteelBlue, ForestGreen, Goldenrod]
/* [Print] */
// Number of print segments. Keep width / print_segments under your printer bed size.
print_segments = 3; // [1:1:6]
// Wall thickness of the shell.
wall_thickness = 2.5; // [2:0.25:4]
/* [Printed spot variants only, ignore for recessed] */
// Tilt range of the printed cartridges, degrees to either side.
tilt_range = 15; // [5:1:20]
// Tilt of the cartridges in the preview only, degrees. Positive tilts forward.
preview_tilt = 0; // [-20:1:20]
/* [Hidden] */
total_width = width;
rounding = corner_rounding;
lip = front_lip;
rim = bottom_rim;
wall = wall_thickness;
cutout_d = saw_diameter;
bezel_d = ring_diameter;
bezel_t = ring_thickness;
flush_bezels = sink_rings_flush;
recess_depth = fixture_depth;
segments = print_segments;
segment_index = segment_number;
color_body = body_color;
max_tilt = tilt_range;
tilt_angle = preview_tilt;
$fn = 128;
eps = 0.01;
clearance = 0.3;
plate_t = 3;
n_sq = 4;
sq_step = 3;
ball_step = 3;
cup_id = 50 + 2 * clearance; // pocket for the 50 mm lamp face
// Snap collar seat: the lamp is held by its own face rim.
seat_od = 61; // collar outer diameter
seat_below = 4; // finger and flange zone below the face plane
shoulder_d = 47.5; // bore above the face, stops the rim going up
face_h = 6; // face pocket height
cart_h = 20; // collar height above the face plane
cup_h = 14; // fixed cup collar height above the face plane
plate_bot = lip;
plate_top = lip + plate_t;
flush_ = fixture == "recessed" && flush_bezels;
H0 = fixture == "recessed"
? max(height, lip + recess_depth + wall + (flush_ ? bezel_t : 0))
: height;
rm0 = min(H0 - 12, depth - 8, total_width / 4);
r0 = min(rounding, rm0);
ne0 = max(2, n_sq - max(rounding - rm0, 0) / 14);
ri0 = max(r0 - wall, 1);
dd0 = max(0, depth / 2 + cutout_d / 2 - (depth - wall - ri0));
sag0 = dd0 > 0
? ri0 * (1 - pow(max(1 - pow(min(dd0 / ri0, 0.999), ne0), 0.0001), 1 / ne0))
: 0;
H = fixture == "recessed" ? max(height, H0 + min(sag0, 80)) : height;
seg_w = total_width / segments;
r_max = min(H - 12, depth - 8, total_width / 4);
r_ = min(rounding, r_max);
n_eff = max(2, n_sq - max(rounding - r_max, 0) / 14);
r_i = max(r_ - wall, 1);
r_back = 3;
spacing = total_width / spots;
win_w = max(spacing - 56, 40);
win_z0 = plate_top + 4;
win_z1 = H - 14;
function sx(i) = (i + 0.5) * spacing;
kx1 = (sx(0) + sx(1)) / 2 - 12;
kx2 = (sx(spots - 2) + sx(spots - 1)) / 2 + 12;
tooth_z = (lip + H) / 2;
cart_od = seat_od;
pivot_rel = 15;
pivot_z = lip + pivot_rel;
gap_t = 1.5;
ring_wall = 2.5;
ring_od = cart_od + 2 * gap_t + 2 * ring_wall;
ring_top = pivot_z + 8;
tilt_show = max(-max_tilt, min(max_tilt, tilt_angle));
// ---- Squircle primitives ----
function sqpt(r, a) = [r * sign(cos(a)) * pow(abs(cos(a)), 2 / n_eff),
r * sign(sin(a)) * pow(abs(sin(a)), 2 / n_eff)];
module sq2d(r)
polygon([for (a = [0:sq_step:360 - sq_step]) sqpt(r, a)]);
function sqw(t) = pow(abs(cos(t)), 2 / n_eff);
function sqz(r, t) = r * sign(sin(t)) * pow(abs(sin(t)), 2 / n_eff);
module sqball(r) {
na = floor(360 / sq_step);
lats = [for (t = [-90 + ball_step:ball_step:90 - ball_step]) t];
nl = len(lats);
pts = concat(
[[0, 0, -r]],
[for (t = lats, a = [0:sq_step:360 - sq_step])
let (s = r * sqw(t))
[s * sign(cos(a)) * pow(abs(cos(a)), 2 / n_eff),
s * sign(sin(a)) * pow(abs(sin(a)), 2 / n_eff),
sqz(r, t)]],
[[0, 0, r]]
);
faces = concat(
[for (i = [0:na - 1]) [0, 1 + (i + 1) % na, 1 + i]],
[for (j = [0:nl - 2], i = [0:na - 1])
[1 + j * na + i,
1 + j * na + (i + 1) % na,
1 + (j + 1) * na + (i + 1) % na,
1 + (j + 1) * na + i]],
[for (i = [0:na - 1])
[len(pts) - 1,
1 + (nl - 1) * na + i,
1 + (nl - 1) * na + (i + 1) % na]]
);
polyhedron(points = pts, faces = faces, convexity = 4);
}
module sqrod(r, len)
rotate([0, 90, 0]) linear_extrude(len) sq2d(r);
// ---- Shell ----
module back_face_2d(x0, x1, z0, z1, r)
hull() {
translate([x0, z0]) square([x1 - x0, max(z1 - z0 - r, 0.1)]);
translate([x0 + r, z1 - r]) sq2d(r);
translate([x1 - r, z1 - r]) sq2d(r);
}
module bar_solid()
intersection() {
hull() {
translate([0, 1, 0]) rotate([90, 0, 0])
linear_extrude(1) back_face_2d(0, total_width, 0, H, r_);
for (px = [r_, total_width - r_]) {
translate([px, depth - r_, 0]) linear_extrude(1) sq2d(r_);
translate([px, depth - r_, H - r_]) sqball(r_);
}
translate([r_, depth - r_, H - r_]) sqrod(r_, total_width - 2 * r_);
}
cube([total_width, depth, H]);
}
module cavity()
intersection() {
hull() {
translate([0, wall + 1, 0]) rotate([90, 0, 0])
linear_extrude(1)
back_face_2d(wall, total_width - wall, plate_top, H - wall, r_i);
for (px = [wall + r_i, total_width - wall - r_i]) {
translate([px, depth - wall - r_i, plate_top]) linear_extrude(1) sq2d(r_i);
translate([px, depth - wall - r_i, H - wall - r_i]) sqball(r_i);
}
translate([wall + r_i, depth - wall - r_i, H - wall - r_i])
sqrod(r_i, total_width - 2 * (wall + r_i));
}
translate([0, wall, plate_top]) cube([total_width, depth, H]);
}
module bottom_plan_2d()
intersection() {
hull() {
square([total_width, 1]);
for (px = [r_, total_width - r_])
translate([px, depth - r_]) sq2d(r_);
}
square([total_width, depth]);
}
module plan_in()
offset(r = r_back)
offset(delta = -(rim + r_back))
bottom_plan_2d();
module trough()
translate([0, 0, -1]) linear_extrude(lip + 1) plan_in();
module spot_cut_guard()
translate([-1, wall, -50])
cube([total_width + 2, depth - 2 * wall, H + 100]);
// ---- Service windows ----
module rrect2(w, h, r)
hull()
for (dx = [r, w - r], dz = [r, h - r])
translate([dx, dz]) circle(r);
module service_windows()
for (i = [0:spots - 1])
translate([sx(i) - win_w / 2, wall + 1, win_z0])
rotate([90, 0, 0])
linear_extrude(wall + 2)
rrect2(win_w, win_z1 - win_z0, 6);
// ---- Snap seat: grips the lamp by its own face rim ----
// From the face plane down: lead in cone, finger band with relief slots and
// four bumps reaching under the rim, then the flange. Above the face pocket
// the bore steps to the shoulder that stops the rim going up. Open top.
module seat_cuts(top) {
translate([0, 0, -seat_below - eps]) cylinder(d1 = 55, d2 = 51, h = 1.6);
translate([0, 0, -seat_below - eps]) cylinder(d = 51, h = seat_below + 2 * eps);
cylinder(d = cup_id, h = face_h);
translate([0, 0, face_h - eps]) cylinder(d = shoulder_d, h = top);
for (a = [0:45:315])
rotate(a + 22.5)
translate([-1.5, seat_od / 2 - 8, -seat_below - 0.5])
cube([3, 10, 8.5]);
}
module seat_bumps()
for (a = [0, 90, 180, 270])
rotate(a) translate([24.8, 0, -1.5]) sphere(d = 2.6);
// ---- Fixed cups: integral snap collars on the plate ----
module cups()
for (i = [0:spots - 1])
translate([sx(i), depth / 2, plate_bot - seat_below])
cylinder(d = seat_od, h = cup_h + seat_below);
module cup_bores()
for (i = [0:spots - 1])
translate([sx(i), depth / 2, plate_bot])
seat_cuts(cup_h);
module cup_bumps()
for (i = [0:spots - 1])
translate([sx(i), depth / 2, plate_bot])
seat_bumps();
// ---- Tilting cartridge: the same snap collar on a filament hinge ----
module cart_sweep()
hull()
for (a = [-max_tilt, 0, max_tilt])
translate([0, 0, pivot_rel])
rotate([a, 0, 0])
translate([0, 0, -pivot_rel - seat_below - 1])
cylinder(d = cart_od + 2.4, h = cart_h + seat_below + 2);
module rings()
for (i = [0:spots - 1])
translate([sx(i), depth / 2, plate_bot])
cylinder(d = ring_od, h = ring_top - plate_bot);
module ring_carve()
for (i = [0:spots - 1])
translate([sx(i), depth / 2, plate_bot])
cart_sweep();
module pivot_holes()
for (i = [0:spots - 1])
translate([sx(i), depth / 2, pivot_z]) {
rotate([0, 90, 0])
cylinder(d = 2.0, h = ring_od + 8, center = true);
for (s = [-1, 1])
translate([s * (ring_od / 2 - 0.6), 0, 0])
rotate([0, 90, 0])
cylinder(d = 4.5, h = 1.4, center = true);
}
module cartridge_part() {
difference() {
translate([0, 0, -seat_below])
cylinder(d = cart_od, h = cart_h + seat_below);
seat_cuts(cart_h);
translate([0, 0, pivot_rel])
rotate([0, 90, 0])
cylinder(d = 1.7, h = cart_od + 2, center = true);
}
seat_bumps();
}
// ---- Store bought recessed fixtures ----
module recessed_openings()
for (i = [0:spots - 1])
translate([sx(i), depth / 2, plate_bot - 1])
cylinder(d = cutout_d, h = plate_t + bezel_t + 2);
module bezel_bosses()
if (flush_)
for (i = [0:spots - 1])
translate([sx(i), depth / 2, plate_top])
cylinder(d = bezel_d + 6, h = bezel_t);
module bezel_pockets()
if (flush_)
for (i = [0:spots - 1])
translate([sx(i), depth / 2, plate_bot - eps])
cylinder(d = bezel_d + 1, h = bezel_t + eps);
module recessed_mock() {
bz = flush_ ? 0 : -bezel_t;
color("Gainsboro") {
translate([0, 0, bz]) cylinder(d = bezel_d, h = bezel_t);
translate([0, 0, bz + bezel_t]) cylinder(d = cutout_d - 3, h = recess_depth - bezel_t - 2);
translate([0, 0, bz + recess_depth - 2]) cylinder(d = 24, h = 5);
}
color("WhiteSmoke") translate([0, 0, bz + 0.4]) cylinder(d = 50, h = 3);
}
// ---- Dovetail segment cuts ----
module bmask2d(j, grow) {
xi = j * seg_w;
translate([-10, -10]) square([xi + 10, H + 20]);
if (j > 0)
offset(delta = grow)
polygon([[xi - 1, tooth_z - 8], [xi + 8, tooth_z - 12],
[xi + 8, tooth_z + 12], [xi - 1, tooth_z + 8]]);
}
module bmask(j, grow)
translate([0, depth + 5, 0])
rotate([90, 0, 0])
linear_extrude(depth + 10)
bmask2d(j, grow);
// ---- Wall mount ----
module keyholes()
for (kx = [kx1, kx2])
translate([kx, -1, 0]) rotate([-90, 0, 0]) {
translate([0, -(H - 35), 0]) cylinder(d = 9, h = wall + 2);
hull()
for (dz = [0, 12])
translate([0, -(H - 35) - dz, 0])
cylinder(d = 4.5, h = wall + 2);
}
// ---- Body ----
module body()
union() {
difference() {
union() {
difference() {
bar_solid();
cavity();
trough();
}
intersection() {
union() {
if (fixture == "cups") cups();
if (fixture == "cartridges") rings();
if (fixture == "recessed") bezel_bosses();
}
bar_solid();
}
}
if (fixture == "cups")
intersection() { cup_bores(); spot_cut_guard(); }
if (fixture == "cartridges")
intersection() {
union() { ring_carve(); pivot_holes(); }
spot_cut_guard();
}
if (fixture == "recessed")
intersection() {
union() { recessed_openings(); bezel_pockets(); }
spot_cut_guard();
}
keyholes();
service_windows();
}
if (fixture == "cups") cup_bumps();
}
module spot_mock()
color("Gainsboro") {
cylinder(d = 50, h = 6);
translate([0, 0, 6]) cylinder(d1 = 50, d2 = 24, h = 32);
translate([0, 0, 38]) cylinder(d = 24, h = 8);
}
module display() {
color(color_body) body();
for (i = [0:spots - 1])
translate([sx(i), depth / 2, plate_bot])
if (fixture == "cartridges") {
translate([0, 0, pivot_rel])
rotate([tilt_show, 0, 0])
translate([0, 0, -pivot_rel]) {
color("Silver") cartridge_part();
if (show_fixtures) spot_mock();
}
} else if (fixture == "cups") {
if (show_fixtures) spot_mock();
} else {
if (show_fixtures) recessed_mock();
}
}
// ---- Layout ----
if (part == "cartridge") {
translate([0, 0, cart_h]) rotate([180, 0, 0])
color(color_body) cartridge_part();
} else if (part == "segment") {
si = min(segment_index, segments);
rotate([90, 0, 0])
translate([-(si - 1) * seg_w, 0, 0])
intersection() {
color(color_body) body();
difference() {
bmask(si, 0);
bmask(si - 1, 0.15);
}
}
} else {
if (cutaway)
difference() {
display();
translate([-10, -10, -10])
cube([total_width + 20, depth / 2 + 10, H + 20]);
}
else
display();
}
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