These are cup holder inserts/ adaptors for a 1st gen CRV.
Should be printed in ABS but PLA prototypes has held up well so far.
No supports needed
The taller one can have its outer diameter reduced by roughly 1mm for it to fit better next to the short one in the front cup holder
Printed at 0.28 w/25% infill
The author hasn't provided the model origin yet.