help!i need a few libraries for ROBOT STUDIO 3.1

the libraries i need are:
-a library for gripper schunk(.rlb ,.plb)
-cadre optimaster(.rlb ,.plb)
-storage pieces(.rlb ,.plb)

who can help me?i need this libraries for a project and robot studio 3.1 don’t have this libraries.on internet i don’t find anything.