Marble run - 3D Printer parts tuning (gravitrax)
Hey there! This time I show you some new 3D Printer parts! Thanks to Karlheinz for sending me the parts.
You can check out his parts here https://www.ebay-kleinanzeigen.de/s-b...
Thanks for watching, enjoy! A subscription would be great! :)
#kullerkugeln #gravitrax #marblerun