Print a lamp that throws your artwork across the wall.

Upload an SVG. Lampcaster designs every wall of the lamp, checks that each line and bridge will print, and hands you STL files for your slicer, ready to print.

Drag to look around. Built from the real printed walls.

Every picture below is the studio's own output, made from the example designs it ships with. Nothing is mocked up.

Step 1

See your artwork on the wall before you print anything

Upload any SVG. Dark shapes become shadow. The studio traces the light ray by ray through walls at their real thickness, adds the LED's blur and falloff, and scores the result against your drawing.

Drag across the picture to compare your drawing with the simulated wall.

Your drawing On the wall at night

Step 2

Put the lamp anywhere on the design

Drag the lamp onto the darkest part of your art and it disappears into the shadow. The light, the walls and the shadow are worked out again for wherever it sits. Set how wide the shadow should be on your wall, in centimetres, and the lamp keeps its size.

Or press Auto setup. Say how big the shadow should be and the studio searches the box size, where it sits, the LED height and the print settings, then lists every change with its reason before you apply it.

Drag the lamp. Every position here is a separate run of the generator.

Simulated kraken shadow with the box in place
Lamp
The lamp unfolded: four walls around the back panel, shaped for this position
The walls, unfolded, as printed for this position

Step 3

Any outline, framed or open

A framed lamp lights a clean rectangle of wall. An open lamp lets the walls' top edges follow your silhouette, with the LED held over the open top. The walls print flat, then fold up or roll round, so every opening prints sharp.

Either kind can hold a battery holder, a switch, a USB-C socket and a remote dimmer, or turn slowly on a small motor so the shadow rotates on the wall.

Step 4

Every wall checked before you spend any filament

The manufacturing check reads every wall: pieces that float free get bridges, lines too thin for your nozzle are marked, and weak corners are explained with what to change. Pick a check to see where it is on the walls.

    Step 5

    Open the file. Slice. Print.

    The download is the finished model: the walls as flat strips that fold up into the lamp, and the flat parts laid out on plates your printer takes. No supports, no modelling, nothing left to draw.

    • Wall STLs: the walls as flat strips that fold or roll up after printing, plus a one-piece upright version
    • Plate STLs for the back and front panels, frames and small parts, laid out on your bed
    • Assembly guide for the LED and electronics, as a PDF
    • Simulation and settings report to keep with the job
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    What it handles for you

    Light and shadow

    Ray-traced preview
    Through the real wall thickness, with LED blur and falloff
    Match score
    How much of your drawing the wall will show, and where it differs
    Shadow size
    Set the width on the wall; reach and brightness follow
    Brightness at the edge
    Know before you hang it whether it needs a dark room
    3D view
    Turn the finished lamp and watch its shadow move
    Light position
    LED height, light hole, and the LED holder for open lamps
    Light edge
    The lit area hugs your design's outline, or takes the box's own shape

    Strength

    Automatic bridges
    Floating pieces tied on, at a width you choose
    Thin lines
    Anything under your nozzle's minimum is marked before you slice
    Finest detail
    The thinnest wall line the far edge of the shadow will need
    Weak corners
    Corners with too little solid wall, and how to fix them
    Specks
    Pieces too small to hold are removed and shown as lit spots
    Per-panel review
    Every part listed with its own issues and size

    Printing

    One-piece body
    Walls, corners and back panel as one closed solid, ready to slice
    Any slicer
    STL in millimetres for Bambu Studio, PrusaSlicer, OrcaSlicer and Cura
    Plates
    Front panel and small parts laid out on your bed size
    Prints flat
    Walls lie outside face down and fold up after, so no supports and no sagging edges
    Any wall thickness
    The simulation follows your wall thickness
    Any shape
    Rectangle, triangle, hexagon, octagon, faceted or truly round

    Putting it together

    Press-fit front
    Tabs on the walls hold the front panel, no glue
    Named parts
    Each flat part is listed with where it goes
    Keyholes
    Printed into the back panel; it hangs on two screws
    Lamp placement
    Drag it on your art, or mark it in the SVG with id="box"
    Your units
    Work in millimetres or inches

    Power and motion

    Battery bay
    A 2 × AA holder inside the lamp, in a printed frame you glue it into
    Switch and USB-C
    Holes for a rocker switch and a snap-in power socket
    Remote dimmer
    Room for a 433 MHz receiver: on, off and dim from across the room
    Turning lamp
    A small motor and printed gears turn the lamp, so the shadow rotates
    Hidden compartment
    Behind an open lamp: fitted to the parts, or empty at a height you set
    Parts in 3D
    The holder, receiver and motor shown in place, with assembly notes

    In the studio

    Auto setup
    Picks the lamp, light and shadow size for your design, and explains each change
    Saved projects
    Your SVG and every setting kept with your account, to open again
    Bed fit
    Told before you generate when the lamp is too big for your printer, with the largest size that fits
    Cut-off warning
    Told when the shadow is too big and the outer part would be left out
    Place in line
    At busy times you see your place in the queue and the estimated wait
    Built-in examples
    Open at once and don't use your plan's generations

    Pricing

    Design and preview for free. Pick a paid plan when you're ready to print.

    Prices in US dollars; VAT is added at checkout where it applies. Cancel any time from your account menu.

    Questions

    Which 3D printers does it work with?

    Any FDM printer. You get STL files in millimetres that open in Bambu Studio, PrusaSlicer, OrcaSlicer and Cura: fold-up wall strips and plates of flat parts, all laid out flat on your bed size. The defaults assume a 0.4 mm nozzle and a 256 mm bed, as on Bambu Lab's A1, P1 and X1; set your own under Your setup.

    What filament should I use?

    An opaque, dark PLA. At 2 mm, black or dark grey PLA blocks the light completely; light colours glow through and soften the shadow. Set your wall thickness and the shadow simulation follows it. Lines thinner than about two nozzle widths won't print, so the studio marks them before you slice.

    What artwork can I use?

    An SVG. Dark shapes become shadow. Bold, flowing silhouettes with a solid dark centre, where the lamp can hide, work best. A photo needs tracing to a vector drawing first. The built-in examples open straight away if you want to try it without your own art.

    How big is the shadow?

    You set its width on the wall, in centimetres or inches. As a guide, a lamp 15 cm across throws a picture about 90 cm across. The preview also shows how bright the edge of the picture will be, so you know whether it needs a dark room.

    What light goes inside?

    One small LED pointed at the wall. The lamp can hold a 2 × AA battery holder, a rocker switch, a USB-C socket and a 433 MHz remote dimmer, or turn slowly on a small motor so the shadow rotates.

    Can I try it before I pay?

    Yes. Design and preview for free, and pick a paid plan when you're ready to download the print files. You can cancel any time; see the refund and cancellation policy.

    More detail in the guide to printing a shadow lamp.

    Your next lamp starts with an SVG.

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