House is facing South, but I'm laying them flat on the floor for economic and aesthetic reasons, with some 3D printed brick-based ballast [1]. Buying supports

House is facing South, but I'm laying them flat on the floor for economic and aesthetic reasons, with some 3D printed brick-based ballast [1]. Buying supports for PV is actually less economical than buying additional PV panels. -- [1] https://imgur.com/a/tDPevmM https://imgur.com/a/tDPevmM