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.

More Parts
129.2 – Rod, M6 insert threads, 90mm, ⌀ ~50mm
129.3 – Rod, M6 insert threads, 120mm, ⌀ ~50mm
129.4 – Rod, M6 insert threads, 300mm, ⌀ ~50mm
009.1 – Bendable plate ~150x75mm
125.2 – Foam medium 400x300x50mm
064.1 – Plate 360x210mm
101.1 – Bead ⌀ ~16mm, ⌀ 4mm hole
088.2 – M6 sleeve nut ~16mm
Play ↻
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