Rotunda

Show and rotate a collection of postcards

A spinning postcard rotunda for the mantelpiece. Twelve radial walls hold cards upright like a ring of columns; spin the lazy-Susan base to bring a different card to the front, so a whole collection of postcards, prints or holiday cards is on show in the space of a side plate.

Customize this model

Size: Ø 160 mm, 27 mm tall
Shape: Round
Walls: 2.4 mm
Volume: 252 cm³
Est. weight (PLA): 313 g
Parts to print: 2
Category: Collections & display
Made by: Krypto
Built in: 10 steps

What’s in it

Round, Ø 160 mm, 27 mm tall, with 2.4 mm walls
Lazy Susan turntable base (spins on 6 mm BBs)
Radial dividers making 12 wedge-shaped sections

How to print it

Uses the editor lazy-Susan base with BBs.

Prints as shown on its floor, no supports. The turntable ring prints separately and runs on 6 mm BBs.

Filament: at most about 313 g of PLA printed solid (roughly $6.26 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 (every part on one plate).

Questions

What size is the rotunda model?

The rotunda model measures Ø 160 mm, 27 mm tall. You can change every size in the free SO3D.xyz generator before you download it.

Does it need supports?

No. Uses the editor lazy-Susan base with BBs. Prints as shown on its floor, no supports. The turntable ring prints separately and runs on 6 mm BBs.

How much filament does it use?

At most about 313 g of PLA (252 cm³ printed solid), roughly $6.26 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 puts them all on one 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.