Walking-water rainbow ring — 3D-printable model preview

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Science & education Medium

Walking-water rainbow ring

Watch water walk and colours mix

A ring of six cells for the "walking water" experiment. Fill the three marked cells with red, yellow and blue water, leave the others empty, and bridge each wall with a strip of kitchen paper. Over a few hours the colours climb the paper and mix into orange, green and purple in the empty cells.

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Size: Ø 180 mm, 50 mm tall
Shape: Round
Walls: 2.0 mm
Volume: 127 cm³
Est. weight (PLA): 157 g
Parts to print: 1
Category: Science & education
Made by: Krypto
Built in: 19 steps

What’s in it

Round, Ø 180 mm, 50 mm tall, with 2.0 mm walls
Radial dividers making 6 wedge-shaped sections
Raised text: “Label”

How to print it

Fold kitchen paper strips lengthwise and dip one end in each neighbouring cell.

Prints as shown on its floor, no supports.

Filament: at most about 157 g of PLA printed solid (roughly $3.14 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 walking-water rainbow ring model?

The walking-water rainbow ring model measures Ø 180 mm, 50 mm tall. You can change every size in the free SO3D.xyz generator before you download it.

Does it need supports?

No. Fold kitchen paper strips lengthwise and dip one end in each neighbouring cell. Prints as shown on its floor, no supports.

How much filament does it use?

At most about 157 g of PLA (127 cm³ printed solid), roughly $3.14 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.

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Make it fit your space

Change the size, walls, dividers, holes and labels of the walking-water rainbow ring model in your browser, then download it for your printer. Free, no CAD needed.

Customize this model