The Umbrella Cup Holder is a handy invention useful to people on the go. The cup holder will have to approximately little bit less then the cup itself. Generally, most cup are around the same size and shape. Plus, if it is too small a lot of cup are compressible.
An umbrella already owned to keep the price low
3D print the cup holder
It will attach where the the normal hook on the umbrella would go
Enjoy this project?