Tasks Consult with client, engineers or production specialists to establish product requirements Read blueprints to determine work requirements Conduct research into cost, properties of production materials and methods of production Computer-aided design (CAD) Prepare manufacturing drawings, specifications and guidelines for production and construct prototype of design Prepare design concepts, sketches or models for approval Analyze the intended use of products and user preferences Print in 3D Provide consultation and advice Develop manufacturing and processing procedures Train workers in duties and policies