An opening pick similar to the iFixit one for prying open electronics and slicing apart adhesives.
There are 2 versions: the 0.6mm version is more flexible and closer to the original iFixit opening pick's 0.5mm thickness while the 1.2mm version more rigid and durable
Print at 0.08mm layer height (or lowest possible)
Wait for the pick to cool down before removing it from the build plate to avoid deforming the thin plastic.
Warranty void if used as guitar pick