This is a large pen cup that bears the legend: The Rad-est Dad. A perfect gift.
I printed this at 5% infill and .3 mm layer height on a .6mm nozzle. These settings are about a 10 hr print. The car was glued on for decoration and can be found here: https://www.myminifactory.com/object/3d-print-low-poly-honda-civic-type-r-144441
For that size the car need to scaled down to 50%. The inside letters of DAD was painted black for contrast. Enjoy ;D
The author hasn't provided the model origin yet.