This model isn't designed with 3d printing in mind. Support material is your best friend. i would recommend using pva supports to prevent damaging the model while removing supports.
Printer:
gMax 1.5xt+
Rafts:
Doesn't Matter
Supports:
Yes
Resolution:
0.2mm
Infill:
25%
Notes:
This model was ripped from the Ark Survival Evolved dev kit, and not designed to be 3Dprinted. PVA supports are your friend.