About this 3D model

This thing ought to help you out finding the center of circles up to about <100mm in radius. I needed a center finder to find where to drill the hole in my jam jar jet so I looked here on thingiverse, but the disigns here are a bit larger than necessary so I made my own which should use less plastic and take up less space. Be sure to comment if you want any modifications and please upload your own photos if you decide to print one out. Thanks a bunch, Chace.