Samara Drop

Show autorotation with a printed maple seed

A flying maple key. Press an M4 nut into the seed pocket, drop it from a stair or balcony and it autorotates like a sycamore seed, spinning down slowly on its single wing. Bend the trailing edge slightly to change its spin.

Customize this model

Size: 92 × 25 × 6 mm
Shape: Custom outline
Walls: 1.0 mm
Volume: 1.7 cm³
Est. weight (PLA): 2.2 g
Parts to print: 1
Category: Science & education
Made by: Krypto
Built in: 9 steps

What’s in it

Custom outline, 92 × 25 × 6 mm, with 1.0 mm walls
Custom outline traced from a shape
1 hole in the floor

How to print it

PLA, 1 mm; an M4 nut glued in the pocket.

Prints flat as a plate, no supports.

Filament: at most about 2.2 g of PLA printed solid (roughly $0.04 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 samara Drop model?

The samara Drop model measures 92 × 25 × 6 mm (width × depth × height). You can change every size in the free SO3D.xyz generator before you download it.

Does it need supports?

No. PLA, 1 mm; an M4 nut glued in the pocket. Prints flat as a plate, no supports.

How much filament does it use?

At most about 2.2 g of PLA (1.7 cm³ printed solid), roughly $0.04 of filament at $20 per kg. Normal infill uses less.

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.