i have a wheelchair from newskill but i need more elevation.
there is 3 sizes:
20mm height .
36mm height .
50mm height .
and same sizes with holder piece.
you can print the bottle holder here: https://makerworld.com/en/models/409915
Headphone holder here: https://makerworld.com/en/models/453599
cup holder here: https://makerworld.com/en/models/453598