Basic info
- A flexible ball
- material: bendable (for example vinyl, but also foam balls or yoga balls work)
- measures: It is inflatable therefore the size can be adjusted. 200-250mm might cover the range.

Tolerance
- Size: standard tolerance
- Material: standard tolerance
Get this part
- Buy: You can get these balls basically everywhere online and offline.
- Make: No instructions available
Introduced by
- Lars Zimmermann via “Welt am Draht”
- Original post, original post backup.pdf
- Open: I bought this part off the shelf. It might be prior art but I don’t guarantee this.
- Disclaimer
Download Portal
Most parts have open design and manufacturing files you can download and work with.

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082.3 – M6 bolt 90mm
095.3 – 120mm rod with M6 insert threads, ⌀ ~30mm, “elephant rod”
043.1 – Plastic nut & bolt ~30mm ⌀ 10mm
118.1 – Board ~360x150x18mm
114.2 – 3 corner bracket modified Round +
Play ↻
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