by angry_monk, published
If you find that there is too much friction to move the calipers try applying a plastic-safe grease to the gear teeth and gear faces. I used a little Crisco cooking grease for this and it worked very well.
Calipers include inside & outside jaws, depth gauge, adjustable & locking dial, and thumb wheel.
I actually found the precision in measurement to be surprisingly accurate. With a little care you can get correct measurements to within +/-0.0025".
This was printed on an Objet Eden Printer.
Scale STLs to 78.74% of original size to convert to metric.
More Info: thecornercase.blogspot.com/2014/03/3d-printed-dial-calipers.html
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I tried to print it on a replicator2 but impossible to fit the parts. It seems that the 3D file doesn't have any tolerance between the parts. When I design things to be printed, I put generally between .3 and .5 mm of tolerance between pieces.
I tried printing this on a Replicator Dual using HIPS for support, Makerware high quality, 50% infill. It came out looking great, but some of the small parts broke easily. Should use 90 to 100% infill instead. But some of the parts are also apparently fused. Or possibly, I wasn't able to dissolve away all the support between some close surfaces. Hard to say since both plastics are white. So maybe I will try a different color next time as well.
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