Here is an autocad dwg file for 3D view of a ventilator . It is an appliance or aperture for ventilating a room or other space.
Beds Design in AutoCAD
Foundation 3D view detail
2d cad blocks of Rugs in A
Fax machine 2d cad blocks
CAD Stencil Blocks Free Do
Library for furniture elem
Main office desk
2D blocks of mirror in Aut
Front door elevation CAD b
Cabinet
Service platform and refri
Office Design