Wow! super fast delivery and excellent quality. Nylon. Used 100% fill setting. Very pleased. Will be used to mount our Skybeacon on our 1965 Cessna 172F wingtip fairing.
2nd time I have used 'Black Widow Industries' for 3D printing and they do not disappoint. Excellent comms and the print quality is perfect, with the two parts snapping together. Will use again in the future.