Seed Crystal

Hang seed crystals in a jar of solution

A cap for growing crystals at home. Turn it over a wide jar of hot saturated alum, salt or sugar solution, tie a seed crystal to each of three threads through the holes and let them hang at different depths. The engraved labels keep track of which solution grows which habit.

Customize this model

Size: Ø 88 mm, 12 mm tall
Shape: Round
Walls: 2.4 mm
Volume: 20.6 cm³
Est. weight (PLA): 25.6 g
Parts to print: 1
Category: Science & education
Made by: Krypto
Built in: 42 steps

What’s in it

Round, Ø 88 mm, 12 mm tall, with 2.4 mm walls
4 holes in the floor
Engraved text: “ALUM”, “SALT”, “SUGAR”

How to print it

Print it as shown, then turn it over so the floor becomes the top. PETG.

Print floor-down as shown, then turn it over to use it.

Filament: at most about 25.6 g of PLA printed solid (roughly $0.51 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 (every part on one plate).

Questions

What size is the seed Crystal model?

The seed Crystal model measures Ø 88 mm, 12 mm tall. You can change every size in the free SO3D.xyz generator before you download it.

Does it need supports?

Usually not. Print it as shown, then turn it over so the floor becomes the top. PETG. Print floor-down as shown, then turn it over to use it.

How much filament does it use?

At most about 25.6 g of PLA (20.6 cm³ printed solid), roughly $0.51 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.