This is V1 with 19mm Mounting Hole Distance for the old Cloudray K40 Laser Head with only ne FL 50,8 mm
It fits to my K40 Laser X Axis Carriage Base. K40 Laser X Axis Carriage Base von EinfachUli | Kostenloses STL-Modell herunterladen | Printables.com
Printed it in PLA Carbon with 40% Infill
The author hasn't provided the model origin yet.