Digital Caliper Hole Depth Adaptor

***Edit 09/05/2024*** - Slight reduction to overall tolerances to make for size to allow for snug alignment of the front/back plates, as well as small change to overall shape to allow storage in Mitutoyo Caliper box (see second image). Thanks in particular to @Spoonier for their comment about this! This is an adaptor that can be quickly attached to any standard set of 16mm wide Digital Calipers (that's most of them!). It provides a lockable depth base, that dramatically increases the span of the caliper bottom and makes measuring (using the caliper depth sword) much easier. Effectively allowing you to obtain measurements for holes & features that were previously very difficult or even impossible. All items print with zero support. No need for metal fasteners as the knurled thumb screws are all printed too and are more than up to the job. Assembly: The adaptor plates index together & are secured to the calipers with use of the two longer knurled bolts (from the back) and then the sh