Draw Bar Spring

In addition to my other projects: https://grabcad.com/library/different-types-of-tension-extension-springs-1 https://grabcad.com/library/coned-end-tension-extension-spring-with-swivel-hook-1 Update 2 May 2015: IGS, STEP and STL files added. Check also my other projects and leave your comment: https://grabcad.com/yauhen-1/projects