As a CAD specialist you need to develop standard mechanical engineering drawings such that it can be easily interpreted by the mechanical engineer. Before you start working on mechanical drawings, you must know how to use common mechanical symbols correctly. You have to take special care while relating various mechanical components design drawings to the overall plan of the assembly.
CAD DESIGN AND DRAFTING
Drawing 1: Practice The isometric View given in diagram.
Drawing 2: Draw the Above diagrams in any popular mechanical software.