Printed End Stop v1

The Printed End Stop v1 is un mechanical End Stop for your Reprap or personal robots.
This design increases the replicability of a Reprap

UPDATE: V2 (15-12-12)

http://www.thingiverse.com/thing:37955

The V2 v2 improvement in:
-less vitamins (number and type)
-less printed parts
-no springs
-only 10 minutes and ready

More info: blog.reclone3d.com