Here i am searching for following skills.
1) Autodesk Inventor to prepare 3d parts and cad file with different views, section etc.
2) Autocad, civil engineering related work to prepare 2D floor plans and do estimation work of construction items
3) Revit software, i can prepare 2d layouts of building plans, section, 3d view by using Revit software.
4) Planswift, i can get takeoff of construction materials by using planswift software.