It turns out Lexan (polycarbonate) is a really fun material to machine. Using blue painters tape to hold it to an MDF spill board makes it easy to machine a variety of complex shapes. Lexan is a lot tougher than plexiglass, and won’t crack like plexiglass. However plexiglass does have better optical clarity and scratch…
A quick mount was needed to attach a Starlink antenna on the metal roof of a building. First a pipe was welded to a plate at an angle. After welding, the the plate was drilled for 1/4″-20 bolts. Then a test mounting on the roof. The finished product. That antenna isn’t going anywhere.