MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
"noyau" translates as "core" and "empriente" as "mold" in this context.
They are pieces of the molds required to make the lenses from transparent sheets using a heat gun. You print "empreinte lentille" and "empreinte hublot" and set them down. Place your transparent sheet on top of them and then heat using a heat gun. Then one at a time, using "noyau lentille" and "noyau hublot" respectively, press down on the "empreinte" pieces to form the lenses. Cut off excess to make them round.