These are approximated molds of Leon Paul & BLAISE-Frères épée blades configured to fit in a Stanley MaxSteel 83-069 Multi-Angle Vise.
The second photo is a Leon Paul blade's upper mold, which fits the vise in either direction.
The third photo is of the Leon Paul & BLAISE-Frères blades bottom molds respectably, fitting the vise in only one direction. The LP mold is symmetrical so the blade fits in either direction.
There is no upper mold for the BLAISE-Frères blade included because for the most part the French blade has a flat top and can be used in direct contact with the upper vise jaw.
I use these molds to hold the blade in an office setting. Depending on the table you attach the Stanley vise to, it should be strong enough for tightening and loosening nuts. This set-up is not recommended for bending tangs.
The LP upper mold should be printed upside down with support.
The BF mold should be printed with support.
The bottom molds should be printed vertically starting from the widest part.
The STLs are already configured direction-wise for this.
I wish you success.