Profile: AAA Drafting Services is a drafting firm which provides CAD design and CAD drafting services to architects, engineers & manufacturing firms. Our specialties include dust collectors, baghouses and industrial ventilation components. Our projects have included cartridge and filter bag collectors, reverse air jet pulse designs as well as shaker models. Ventilation specialties include duct design and fabrication drawings from 4 inch to 72 inch in a variety of materials whether purchased or fabricated from sheet metal. We have experience in fittings and collector hoods in 2D and 3D. We can design structural steel supports and OSHA compliant handrail, stairs and platforms. Our drafting services include AutoCad 2D and SolidWorks 3D modelling.