Construction Plans and CAD Models Portals

Overview of portals for construction plans and CAD models

https://grabcad.com

• 1. 4,9 M Engineers with over 2.9 M free CAD files
• 2. The largest online community of professional designers, engineers, manufacturers, and students
• 3. categories:

*Agriculture: 2 CAD files
*Construction: > 1.000 CAD files
*Energy and Power: > 5.000 CAD files
*Machine design: > 1.000 CAD files
*Tools: > 1.000 CAD files

• 4.Contains blueprints of open source technologies