If you've ever spilt a drink, you'd know my pain. If you haven't yet, this STL File will prevent that.
FG Falcon cupholder insert.
Will work on all FG Vehicles.

Infill Density: Between 15 - 100%.
Filament: PLA/ABS. (ABS will last longer as it is more resilient to heat, but I've had blue PLA in my car for 3 years to test and it still look brand new.