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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, fixed cups or tilt cartridges on filament hinge pins. The printed variants include a snap in trim ring whose shoulder locks the lamp captive. All rounding is squircle style with continuous curvature; the corners are exact superellipsoid polyhedra sampled on a fine grid, so the surface is evenly smooth without banding. The shell is clipped to its bounding box and the cavity to the plate level, so the bottom plate and rim survive any rounding value. The bottom opening is a true offset of the outer footprint for a uniform rim. Flat back, sharp bottom edge, service windows behind the spots. Segments join with one printed dovetail key per joint and glue. 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 true · fixture recessed · 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 · socket_screw_distance 40.
Bathroom mirror light bar
mick/mirror-light@3.0.0
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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, fixed cups or tilt cartridges on filament hinge pins. The printed variants include a snap in trim ring whose shoulder locks the lamp captive. All rounding is squircle style with continuous curvature; the corners are exact superellipsoid polyhedra sampled on a fine grid, so the surface is evenly smooth without banding. The shell is clipped to its bounding box and the cavity to the plate level, so the bottom plate and rim survive any rounding value. The bottom opening is a true offset of the outer footprint for a uniform rim. Flat back, sharp bottom edge, service windows behind the spots. Segments join with one printed dovetail key per joint and glue. 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 cups or cartridges: twist the lamp into its socket, then press the trim ring (part = trimring) into the bore until it clicks; the lamp is held between socket and ring shoulder. 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, feed the mains through the nearest window 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 squircle is a superellipse with exponent four. The corner blobs are true superellipsoid polyhedra: every horizontal section is the exact squircle of that height, sampled at three degrees in both directions, which removes the frustum banding of a sliced construction and keeps the corners tangent to the edges. Large rounding values truncate against the flat back and bottom, and the cavity is clipped at the plate, so the interior can never eat the floor. The bottom opening is an inward offset of the actual outer bottom outline with a subtle ease at the back corners. The printed bores carry a counterbore with a snap groove for the trim ring, which has eight flex fingers and four snap bumps. part = segment exports one segment on its back, part = cartridge the tilt cartridge, part = trimring the snap ring.
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, preview_tilt and socket_screw_distance only matter for the printed spot variants.
Use with your agent
{
"mcpServers": {
"remixcad": {
"type": "http",
"url": "https://remix-cad.vercel.app/api/mcp"
}
}
}get_model("mick/mirror-light@3.0.0")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, trimring | ||
| segment_number | 1 | 1 to 6 step 1 | ||
| cutaway | false | |||
| show_fixtures | true | |||
| fixture | "recessed" | 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 | ||
| socket_screw_distance | 40 | 24 to 50 step 1 |
Lineage
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License
Whoever downloads this takes these obligations along- mick/mirror-light@3.0.0 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 fixed cups or tilt cartridges on filament hinge pins, both with a
// snap in trim ring that locks the lamp captive. Squircle rounding with exact
// superellipsoid corners, clipped so the bottom plate survives any rounding.
// Segments join with one dovetail key per joint and glue.
/* [Model] */
// The whole bar, one print segment laid flat, the tilt cartridge, or the snap trim ring.
part = "all"; // [all, segment, cartridge, trimring]
// Which segment when part = segment.
segment_number = 1; // [1:1:6]
// Slice the display view open through the spots.
cutaway = false;
// Show the grey fixture dummies in the preview. Display only, never part of a print.
show_fixtures = true;
/* [Fixture] */
// How the spots are held: store bought recessed GU10 fixtures in round cutouts, or printed cups or tilting cartridges.
fixture = "recessed"; // [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 with continuous curvature. Large values truncate against the flat back and bottom.
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]
// Centre distance of the two fixing holes of a bare GU10 socket.
socket_screw_distance = 40; // [24:1:50]
/* [Hidden] */
// Friendly parameter names map to the internal ones.
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;
gu10_hole_span = socket_screw_distance;
$fn = 128;
eps = 0.01;
clearance = 0.3;
plate_t = 3;
n_sq = 4;
sq_step = 3;
ball_step = 3;
spot_len = 46;
cup_id = 50 + 2 * clearance;
cbore_d = cup_id + 5.4;
cbore_h = 6;
groove_d = cbore_d + 2.4;
ring_aperture = 44;
cup_od = cbore_d + 2 * wall;
plate_bot = lip;
plate_top = lip + plate_t;
cap_bot = lip + spot_len;
flush_ = fixture == "recessed" && flush_bezels;
H = fixture == "recessed"
? max(height, lip + recess_depth + wall + (flush_ ? bezel_t : 0))
: height;
seg_w = total_width / segments;
r_ = min(rounding, H - 12, depth - 8, total_width / 4);
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 = cup_od;
cart_h = spot_len + plate_t;
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_sq),
r * sign(sin(a)) * pow(abs(sin(a)), 2 / n_sq)];
module sq2d(r)
polygon([for (a = [0:sq_step:360 - sq_step]) sqpt(r, a)]);
function sqw(t) = pow(abs(cos(t)), 2 / n_sq);
function sqz(r, t) = r * sign(sin(t)) * pow(abs(sin(t)), 2 / n_sq);
// Exact superellipsoid as one polyhedron: every horizontal section is the true
// squircle of that height, sampled at ball_step degrees in both directions.
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_sq),
s * sign(sin(a)) * pow(abs(sin(a)), 2 / n_sq),
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: clipped to the bounding box so large radii stay valid ----
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]);
}
// The cavity is clipped at the plate, so the interior can never eat the floor.
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();
// ---- Service windows: one behind each spot, hidden by the wall ----
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);
// ---- Fixed printed cups with snap ring groove ----
module cups()
for (i = [0:spots - 1])
translate([sx(i), depth / 2, plate_bot])
cylinder(d = cup_od, h = spot_len + plate_t);
module cup_bores()
for (i = [0:spots - 1])
translate([sx(i), depth / 2, 0]) {
translate([0, 0, -1]) cylinder(d = cup_id, h = cap_bot + 1);
translate([0, 0, -1]) cylinder(d = cbore_d, h = plate_bot + cbore_h + 1);
translate([0, 0, plate_bot + cbore_h - 2]) cylinder(d = groove_d, h = 2);
}
module cap_holes()
for (i = [0:spots - 1])
translate([sx(i), depth / 2, cap_bot - 1]) {
cylinder(d = 30, h = plate_t + 2);
for (s = [-1, 1])
translate([s * gu10_hole_span / 2, 0, 0])
cylinder(d = 2.8, h = plate_t + 2);
}
// ---- Printed tilting: pivot rings, swept clearance and the cartridge ----
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 - 1])
cylinder(d = cart_od + 2.4, h = cart_h + 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() {
cylinder(d = cart_od, h = cart_h);
translate([0, 0, -1]) cylinder(d = cup_id, h = spot_len + 1);
translate([0, 0, -1]) cylinder(d = cbore_d, h = cbore_h + 1);
translate([0, 0, cbore_h - 2]) cylinder(d = groove_d, h = 2);
translate([0, 0, spot_len - 1]) cylinder(d = 30, h = plate_t + 2);
for (s = [-1, 1])
translate([s * gu10_hole_span / 2, 0, spot_len - 1])
cylinder(d = 2.8, h = plate_t + 2);
translate([0, 0, pivot_rel])
rotate([0, 90, 0])
cylinder(d = 1.7, h = cart_od + 2, center = true);
}
// ---- Snap trim ring: locks the lamp captive, finishes the opening ----
module trimring_part() {
rb = (cbore_d - 0.3) / 2;
difference() {
union() {
cylinder(d = cup_od, h = 1.5);
cylinder(d = cbore_d - 0.3, h = 1.5 + cbore_h - 0.5);
for (a = [0, 90, 180, 270])
rotate(a) translate([rb, 0, 1.5 + cbore_h - 2.5]) sphere(d = 2.6);
}
translate([0, 0, -1]) cylinder(d = ring_aperture, h = 20);
for (a = [0:45:315])
rotate(a + 22.5) translate([-1.5, rb - 6, 3]) cube([3, 10, 12]);
}
}
// ---- Store bought recessed fixtures: round cutouts, clip mounted ----
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: one key per joint, through both walls ----
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()
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") {
cup_bores();
cap_holes();
}
if (fixture == "cartridges") {
ring_carve();
pivot_holes();
}
if (fixture == "recessed") {
recessed_openings();
bezel_pockets();
}
keyholes();
service_windows();
}
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(color_body) cartridge_part();
if (show_fixtures) spot_mock();
}
} else if (fixture == "recessed") {
if (show_fixtures) recessed_mock();
} else {
if (show_fixtures) spot_mock();
}
}
// ---- Layout ----
if (part == "cartridge") {
translate([0, 0, cart_h]) rotate([180, 0, 0])
color(color_body) cartridge_part();
} else if (part == "trimring") {
color(color_body) trimring_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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