Stream-table river maker — 3D-printable model preview

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Science & education Medium

Stream-table river maker

Watch water carve rivers, meanders and a delta in a tray of sand

A geography lesson that builds itself. Fill the tray with damp sand, pour water into the tall cup at the mountain end, and it seeps out through a small hole at the bottom to carve a river down the slope. Watch it meander, cut banks, braid into channels and drop a fan-shaped delta where it reaches the SEA end, where a drain hole lets the water out. Change the slope with a book under the cup and see how a steep river behaves differently from a gentle one.

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Size (Base A): 165 × 110 × 40 mm
Shape: Rectangular
Walls: 2.4 mm
Volume: 70.8 cm³
Est. weight (PLA): 87.8 g
Parts to print: 1
Category: Science & education
Made by: Krypto
Built in: 38 steps

What’s in it

Rectangular, 165 × 110 × 40 mm, with 2.4 mm walls
2 holes in the floor and walls
Raised text: “SOURCE”, “SEA”
One more base built on (Base B)
Base B: round, Ø 60 mm, 60 mm tall (beside)

How to print it

PETG so it is watertight. Prop the cup end on a book; stand a jug under the sea end.

Prints as shown on its floor, no supports.

Filament: at most about 87.8 g of PLA printed solid (roughly $1.76 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 stream-table river maker model?

The stream-table river maker model measures 165 × 110 × 40 mm (width × depth × height). That is Base A; one more base is built on. You can change every size in the free SO3D.xyz generator before you download it.

Does it need supports?

No. PETG so it is watertight. Prop the cup end on a book; stand a jug under the sea end. Prints as shown on its floor, no supports.

How much filament does it use?

At most about 87.8 g of PLA (70.8 cm³ printed solid), roughly $1.76 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 stream-table river maker model in your browser, then download it for your printer. Free, no CAD needed.

Customize this model