Oh btw (EPP material) they do make a good FPV flying platform due durability and flexibility like the one i built here in this video:
Video:
https://www.youtube.com/watch?v=39y_UEWY4yQ
https://www.youtube.com/watch?v=fEEQRBG1iqE
https://www.youtube.com/watch?v=A363KDzUUug