Free[v2 Update: 2023.01.05] BIQU H2 40mm Extruder Fan Compact Adapter (5mm Tall) with BLTouch and CR Touch Mounts (The Claw Duct Compatible)Thingiverse
FreeBIQU H2 40mm Extruder Fan Extended Adapter (13.5mm Tall) with BLTouch and CR Touch Mounts (The Claw Duct Compatible)Thingiverse