I saw the base of an interesting design for a center-finder and decided to add my own modification to it and adapt to use common steel rulers. As this will use any common steel cork backed ruler around 31.8 mm in width (most Cen-Techs and the like) as this is cinched down with three nylon 1/4-20 thumb screws (see more here: https://amzn.to/2W39fRv ) or basically any 1/4-20 combo you come up with really. Also if what if your ruler doesn't fit? No worries I made the Fusion 360 model parametric! Just go to the parameters tab enter your values and Bobs your uncle as the model is parametric!
If you want to see about this model and how to print it please cheack out this video: https://youtu.be/JszyCVIVRBQ
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