Lemon-battery science tray — 3D-printable model preview

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Science & education Medium

Lemon-battery science tray

Light an LED with lemons

A four-cell tray for building a fruit battery. Put half a lemon or potato in each cell, push a copper and a zinc strip into each one, and link them in series through the wire holes in the dividers. Four cells light a small LED.

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Size: 220 × 70 × 40 mm
Shape: Rectangular
Walls: 2.0 mm
Volume: 85.0 cm³
Est. weight (PLA): 105 g
Parts to print: 1
Category: Science & education
Made by: Krypto
Built in: 34 steps

What’s in it

Rectangular, 220 × 70 × 40 mm, with 2.0 mm walls
3 dividers
3 holes in the walls
Raised text: “+”, “-”, “LEMON BATTERY”

How to print it

Use copper strips or coins and galvanised nails or zinc strips.

Prints as shown on its floor, no supports.

Filament: at most about 105 g of PLA printed solid (roughly $2.11 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 lemon-battery science tray model?

The lemon-battery science tray model measures 220 × 70 × 40 mm (width × depth × height). You can change every size in the free SO3D.xyz generator before you download it.

Does it need supports?

No. Use copper strips or coins and galvanised nails or zinc strips. Prints as shown on its floor, no supports.

How much filament does it use?

At most about 105 g of PLA (85.0 cm³ printed solid), roughly $2.11 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 lemon-battery science tray model in your browser, then download it for your printer. Free, no CAD needed.

Customize this model