Driving my RC tank at the the beach in the sea water and over some obstacles, only one part broke in 3 visits and that was due to my driving, not the tank being flawed.
For free 3D files look at ExcellentEngineering
On thingiverse. https://www.thingiverse.com/thing:517...
A camera: Panasonic gx80.
B Camera: Akaso v50 Pro.
C Camera: Samsung Galaxy S7 Edge.
Tripod: Manfrotto 055.
3D Printer: Anet A8.
Editing software: Hitfilm 4 express.
CAD software: Solidworks.
Slicer: Cura.