Basic info
- A rock
- Material: strong
- Measures: flexible, somewhere around the size of a male fist. ~80 to 120mm

Tolerance
- Size: standard tolerance
- Material: standard tolerance
Get this part
- Buy: if you search hard you’ll probably find a source to buy this from. But it is probably way easier if you just pick one up you like at the beach or somewhere else.
- Make: no instructions available
Introduced by
- Lars Zimmermann via “Welt am Draht”
- Original post, original post backup.pdf
- Open: Prior art (most likely)
- Disclaimer
Download Portal
Most parts have open design and manufacturing files you can download and work with.

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110.1 – “Marii board” 450x180mm
077.1 – M6 eye bolt ~40mm
101.3 – Flexible bead ⌀ ~16mm, ⌀ 2mm hole
016.1 – Half pipe 90mm, inner ⌀ 152mm
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