Kamal latitude finder — 3D-printable model preview
AR view

Kamal latitude finder

Measure latitude from the Pole Star

The card Arab navigators used to find latitude: hold the knotted cord in your teeth, push the card out until the bottom edge sits on the horizon and the top edge touches the Pole Star. A knot for each place you know becomes a latitude scale.

Size
60 × 40 × 8 mm
Shape
Rectangular
Walls
3.0 mm
Volume
6.9 cm³
Est. weight (PLA)
8.6 g
Parts to print
1
Made by
Krypto
Built in
33 steps

What’s in it

  • Rectangular, 60 × 40 × 8 mm, with 3.0 mm walls
  • 1 hole in the floor
  • Engraved text: “KAMAL”, “Label”

How to print it

Tie a 60 cm cord through the centre hole.

Prints flat as a plate, no supports.

Filament: at most about 8.6 g of PLA printed solid (roughly $0.17 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 kamal latitude finder model?

The kamal latitude finder model measures 60 × 40 × 8 mm (width × depth × height). You can change every size in the free SO3D.xyz generator before you download it.

Does it need supports?

No. Tie a 60 cm cord through the centre hole. Prints flat as a plate, no supports.

How much filament does it use?

At most about 8.6 g of PLA (6.9 cm³ printed solid), roughly $0.17 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 kamal latitude finder model in your browser, then download it for your printer. Free, no CAD needed.

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