Gentex Mirror Arm Adapter

Bracket I designed to be able to use the arm for my old model for my 2016 Mazda6 in a frameless auto-dimming model for a 2021 Mazda3. Make the walls a little thick since it takes a lot of torque (most should be spread out by the metal plate). Pretty tight fit, will snap right in if you push on it hard or use a clamp.