FreeAnycubic I3 Mega Improved Hotend Fanbox (also Mega-S, Mega-X, Full Metal, BLTouch & E3DV6 versions)Thingiverse
FreeAnycubic i3 mega-s upgrades: quiet blower fan fanbox and fan duct for v5 / v6 hotend and spacer adapter, TMC2208, Marlin 2 and linear advance vs junction deviation, bed leveling for beginners, tool box, screen frame and coverThingiverse