Variable-Edge Center Scribe Hand Tool

thingiverse

At Bay Mills Community College, Master Bow Maker Web Kinney uses a technique that entails putting a pencil along the centerline of a bow, which may differ in thickness and curvature. To maintain the pencil's central position, he employs a 1/4in. x 20 bolt in the threaded hole while holding a tool with two opposite plastic cylinders that touch the object's sides. This ensures that the pencil stays centered throughout the process. The instructions were created using Creo Parametrics 2.0.