Precision Steel Cylinder Piston Assembly

I need a complete, ready-to-manufacture steel cylinder and piston assembly designed, documented, and packaged for straightforward production. The core deliverables are the 3D CAD models, fully dimensioned... (Budget: ₹12500 - ₹37500 INR, Jobs: 3D CAD, 3D Modelling, AutoCAD, Bill of Materials (BOM) Analysis, CAD / SolidWorks, Engineering Drawing, Finite Element Analysis, Manufacturing Design, Product Design, Technical Documentation)