SketchUp is a 3D modeling computer program for a wide range of drawing applications such as architectural, interior design, landscape architecture, civil and mechanical engineering, film and video game design. It is available as a web-based application, SketchUp Free, a freeware version, SketchUp Make , and a paid version with additional functionality, SketchUp Pro
SketchUp is owned by Trimble Inc., a mapping surveying and navigation equipment company. There is an online library of free model assemblies (e.g. windows, doors, automobiles), 3D Warehouse, to which users may contribute models.
The program includes drawing layout functionality, allows surface renderi