Motorized 10 m Target Carrier

I’m setting up an indoor air-pistol lane and need a complete design for a 10-metre electrically driven target carrier. The concept is simple: a steel rail or guide runs the full distance, a small trolley... (Budget: ₹600 - ₹1500 INR, Jobs: CAD / SolidWorks, CAD/CAM, Electrical Engineering, Engineering, Mechanical Design, Mechanical Engineering, Prototyping, Solidworks)