3-Axis Scale Ruler

This is a good tool to show the size of an object when you taking a picture for it.Features : Combined with a square tubular structure, and can be extended according to the size of the subject. Can stand on their own, do not need to hand support, it is convenient for shooting It‘s small size after ...
By: ifunwoo

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from Instructables: exploring - featured http://ift.tt/2lTaEZ1
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