String-gnomon garden sundial — 3D-printable model preview

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Geometric & decorative Advanced

String-gnomon garden sundial

Tell solar time from a string shadow

A sundial whose gnomon is a taut string: tie a cord from the hole at the front to the hole at the top of the fin, and its shadow falls on the engraved hours. Set for about 50 degrees north; face the fin due north and read local solar time.

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Size (Base A): 200 × 160 × 10 mm
Shape: Rectangular
Walls: 5.0 mm
Volume: 162 cm³
Est. weight (PLA): 201 g
Parts to print: 1
Category: Geometric & decorative
Made by: Krypto
Built in: 81 steps

What’s in it

Rectangular, 200 × 160 × 10 mm, with 5.0 mm walls
2 holes in the floor and walls
Engraved text: “12”, “10”, “2”, “8”, “4”, “6”, “50 N”
One more base built on (Base B)
Base B: rectangular, 10 × 66 mm, 100 mm tall (beside)

How to print it

Print in ASA or PETG for the garden.

Prints flat as a plate, no supports.

Filament: at most about 201 g of PLA printed solid (roughly $4.02 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 string-gnomon garden sundial model?

The string-gnomon garden sundial model measures 200 × 160 × 10 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. Print in ASA or PETG for the garden. Prints flat as a plate, no supports.

How much filament does it use?

At most about 201 g of PLA (162 cm³ printed solid), roughly $4.02 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 string-gnomon garden sundial model in your browser, then download it for your printer. Free, no CAD needed.

Customize this model