Do you what to show off your coffee cups but don't have any way well don't i have something for you.
There are two version one that uses 3m doble sided tape(may not hold the best but good for short time use). Other one is used with a 1/4 inch bolt and washers

3d printer settings

MATERIAL: PLA works perfectly fine but you might what to use PETG or ABS

LAYER HIGHT: 0.16 for best layer adhesin but 0.20 will work

WALLS: 6-10

INFILL: Gyroid 50%

SUPPORT: Yes tree