I found most parts of this machine on Grabcad and adapted to the current.I hope it will be useful for new learne and students.Below are links to the parts I use.Belt Grinder Belt grinderMotor Motor Trifásico 0,75 CV 60Hz 4PLOOff Switch switchSocket & Plug https:grabcad.com/librarytraight-panel-mounting-socket-and-plug-32a-230v