Mobile app: AutoCAD 360 Developer: Autodesk Inc. Cost: Free Available on: Apple and Android devices The AutoCAD 360 mobile app is a free DWG viewing application with easy-to-use drawing and ...

Basically, 4D CAD tools incorporate time and project scheduling into the 3D CAD drawings. The owner and design team can watch the virtual construction of the project. Through the 4D animation process, ...

The shop drawings are delivered on a 1/4 in. scale, in a 30 X 42 in. or 36 X 48-in. format and range from $250 to $800 in price. The purchase includes duct sizes, part numbers and materials list.