It is recommended that the OS3D RX16 and the accompanying Omniscan 450 are mounted at an angle 20-30 degrees downward from horizontal. Shown here is the OS3D RX16 with Omniscan 450 SS mounted to the hull of a Blue Robotics BlueBoat using a 3D printable mount and bushings located here: https://drive.google.com/drive/folders/1X8wQ-rc1oOJj9bXkUPU40jZhRm5dFBDM?usp=drive_link