411 REFERENCE · Wikibooks
Origami/Types/Action Origami/Spring
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
The spring can be compressed! This origami needs an A4 sheet with three quarters of the width. You can also make it with two thirds. The origami will be more flexible but it will have holes.
center|thumb|700px|The spring