Orion constellation ceiling projector — 3D-printable model preview

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Science & education Multi-part assembly

Orion constellation ceiling projector

Project Orion onto the ceiling with a phone torch

A dark box with the seven main stars of Orion pierced in the lid, sized by brightness. Stand it over a phone torch in a dark room and Orion shines on the ceiling. A gentle way to learn the winter sky.

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Size: Ø 100 mm, 80 mm tall
Shape: Round
Walls: 2.0 mm
Volume: 142 cm³
Est. weight (PLA): 176 g
Parts to print: 2
Category: Science & education
Made by: Krypto
Built in: 25 steps

What’s in it

Round, Ø 100 mm, 80 mm tall, with 2.0 mm walls
8 holes in the floor
Lift-off lid (prints separately)

How to print it

Print in black. Lay the phone torch-up under the hole in the floor. Smaller holes give sharper stars.

Prints as shown on its floor, no supports. The lid prints as a separate part, top down.

Filament: at most about 176 g of PLA printed solid (roughly $3.51 at $20 per kg); normal infill uses less.

To get the files, open it in the generator and choose File › Download STL (one file per part) or Download 3MF (a 3MF per part, plus a Bambu Studio / Orca Slicer project with every part on its own plate).

Questions

What size is the orion constellation ceiling projector model?

The orion constellation ceiling projector model measures Ø 100 mm, 80 mm tall. You can change every size in the free SO3D.xyz generator before you download it.

Does it need supports?

No. Print in black. Lay the phone torch-up under the hole in the floor. Smaller holes give sharper stars. Prints as shown on its floor, no supports. The lid prints as a separate part, top down.

How much filament does it use?

At most about 176 g of PLA (142 cm³ printed solid), roughly $3.51 of filament at $20 per kg. Normal infill uses less.

How many parts does it print as?

2 parts. The download lays each part flat in its best print position: Download STL gives one file per part, Download 3MF gives a 3MF per part plus a Bambu Studio / Orca Slicer project with each part on its own plate.

Can I change it?

Yes. Open it in the SO3D.xyz generator (free, in your browser), change the size, walls, dividers, holes, text or anything else, then download it as STL or 3MF for your slicer.

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Make it fit your space

Change the size, walls, dividers, holes and labels of the orion constellation ceiling projector model in your browser, then download it for your printer. Free, no CAD needed.

Customize this model