Print size tolderance test
thingiverse
I always seem to forget what the tolerances are for my printer when designing things to fit together, so I created this little plug and hole test. The one that fits best will proudly sit on top of my monitor as a reminder. This test consists of a 5mm hole accompanied by plugs of various sizes (4mm, 4.25mm, 4.50mm, and 4.75mm). Each plug prints on a small labelled base to ensure first layer issues don't skew the measured dimensions. For reference, these measurements are for diameter. The actual accuracy is determined by one side fitting against another, which means radius. If 4mm fits best, then my printer's accuracy is 0.5mm (not 1.0mm), and I should subtract 0.5mm from all sides of future plugs to achieve the desired fit.
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