Linkage between Auto CAD and Sketchup. (2D CAD file as reference in Sketchup file.)

[MikeWayzovski]

Not automatically, there are ref-manager extensions:

Cross Reference Organizer

New Plugin on the scene! Cross Reference Organizer is designed to bring SU closer to being a design environment in which team members can collaborate simultaneously. The plugin facilitates team members breaking a project into parts and and cross referencing each others’ models in their own workspace. It has a clean and simple UI that allows you to visually understand what in your model is cross referenced and how up to date it is. It solves a key problem we found when using the File/Import/R…

SketchUp only files:

Eneroth Reference Manager

I’m happy to announce Eneroth Reference Manager today, after much hard work. This extension helps you handle components linked to external SketchUp files. This can be highly useful to organize large projects, to collaborate and to increase modelling performance. [Eneroth Reference Manager - Bulk Relink] [Eneroth Reference Manager - Bulk Relink and Level of Detail] [Eneroth Reference Manager - Bulk Save Out] Some useful features of Eneroth Reference Manage…