Viscous-Oil Rover Blueprint

I am building a proof-of-concept rover whose only job is to prove that controlled, repeatable motion is possible inside transformer oil. To make that happen I need a complete blueprint package—detailed... (Budget: ₹37500 - ₹75000 INR, Jobs: 3D Modelling, CAD / SolidWorks, Control Systems Engineering (PID / MPC), Electronics, Engineering, Engineering Drawing, Mechanical Engineering, Product Design, Robotics, Simulation)