tool to find center of circle 3d models

Here's how you can print a customized claw mechanism: Create it using this link: http://www.thingiverse.com/apps/customizer/run?thing_id=280974 Made with the Customizer app from Thingiverse, found here: http://www.thingiverse.com/thing:280974

This model has been designed by using Customizer!, a feature available at http://www.thingiverse.com/apps/customizer/run?thing_id=280974. ...Using the options shown below, create this thing: rod diameter = 8.2 mm beam height = 10 units z-distance from...