This is model of Porsche 911 (992) Carrera S. Model was greated for CFD simulations. It's all watertight so it is also suitable for 3D printing.For CAD import use IGS or STEP. For 3D printing use STL.
Some results from CFD:Cd=0.31 (official data 0.29-0.3)Cl=0.079 (no official data available)A=2,05 m2
Other format available on request.