Redesigned parts for Vulcanus V1 - Leadscrew and Belt Tensioner

SummaryI wasn't quiet satisfied with using M8 screws for the z-axis, so I altered the mount to accept an TR8 leadscrew. I also changed the design of the belt tensioner mounted to the x carriage.Print SettingsPrinter: Kossel Mini KitRafts: NoSupports: YesResolution: 0.2 mmInfill: 25 %, 2 Shells