Build plate leveling jig for use with digital calipers
by kurt6string, published
Useful if you have calipers instead of a dial gauge. The .stl file is setup for a replicator 2 and mine fit just fine.
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Just print it (but flip it upside down so the flat part is on the build plate) and clean out the slots for the calipers depth gauge if needed. The caliper MUST slide smoothly for this to work.
To take measurements, start by doing a standard leveling procedure. Then, drop the jig over the rails (to the outside where possible), slide it up against the extruder. Extend the depth gauge on the calipers about 24mm then insert it into the slot on the jig and allow the base of the caliper to rest in the slot. You then gently, smoothly grasp the digital readout on the calipers and move it down (smoothly) until the depth gauge touches the build plate. At that point you can zero the calipers and allow the cal script to move the extruder around while you see how far off the plate is. May the force be with you.
This really helped on my replicator 2. This is a much better way of leveling than just using the thin business card. My failed print count has gone WAY down.