Robert Cohn

Joined December 22nd, 2012

2Instructables

47,949Views

5Comments

7Followers

Profile
Instructables (2)
Collections (0)
Favorites (11)
Discussions (27)
Settings

Instructables

Hanging Climbing Prism
29 3.4K
Loudspeaker Rescue
186 44K

Categories

Circuits
Workshop
Design
Craft
Cooking
Living
Outside
Teachers

About Us

Who We Are
Why Publish?

Resources

Get Started
Help
Sitemap

Find Us

© 2026 Autodesk, Inc.

Terms of Service|
Privacy Statement|
Privacy settings|
Legal Notices & Trademarks