# Fenix LR40R Diffusor The adapter is a 3D printed part to add an (optional) color filter and a diffusor cap to the Fenix LR40R. You can glue everything together and put the adapter on the Fenix on demand with a bit of pressure. An indentation in the adapter keeps the ideal position of the adapter. Some openings help heat dissipation. And I don't need glue at all. Tolerances are so good that everything holds together well without... Disclaimer: First FreeCAD project, last CAD experience (Solid Edge) now some years in the past... I remember that there was an easy way for hole patterns... ## Info ### Diameter Fenix LR40R The LR40R outer diameter at the top end is 79.2 mm. (39.6 mm radius * 2) ### The color filter Cutout of #205 filter: [amazon.de](https://www.amazon.de/dp/B004G4SB9I/) ### Top diffusor The white cap of this one: [amazon.de](https://www.amazon.de/dp/B019Z4BFJ6/) ## Get Print it yourself, FreeCAD project, .stl and .gcode is in the repository. If you don't have access to a 3D printer contact me, maybe we can arrange something.