Curvature gages
youmagine
Sometimes I have to reverse engineer a piece. These small plaques have radii, ranging from R2 to R10 mm, for both inside and outside corners. A hole in the center is the right size for a small paper clip so a set can be organized.Be aware of any elephant foot [http://support.3dverkstan.se/article/23-a-visual-ultimaker-troubleshooting-guide#elephant] on the printed part, it will change the radius of the tool.
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