JohnCopper

weiterstadt / germany

Joined February 22nd, 2011

2Instructables

65,677Views

27Comments

19Followers

Profile
Instructables (2)
Collections (0)
Favorites (154)
Discussions (29)
Settings

Instructables

Electric Switch Puzzle
15 6.6K
Electric Copper Etching
225 59K

Categories

Circuits
Workshop
Design
Craft
Cooking
Living
Outside
Teachers

About Us

Who We Are
Why Publish?

Resources

Get Started
Help
Sitemap

Find Us

© 2025 Autodesk, Inc.

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