The file 'Cup Holder Support For Wheelchairs 3D Printer Model' is (stl) file type, size is 214.4KB.
This is designed to fit inside standard wheelchair armrests that use a round tube. The support stem slides inside the tube while the existing arm pad screw secures it.
This support is for either of my wheelchair cup holders.
Cup holder for coffee cups etc.
https://www.thingiverse.com/thing:3879885
Cup holder for water bottles and thermos cups
https://www.thingiverse.com/thing:3881399
Cup_Holder_Support_Tube.stl | 843.3KB |