Prusa I3 Acrylic Frame Filament Holder

Looked at other filament holders on Thingiverse and found most of them to be mounted on the side of the frame or off center at the top. None of the options at the time appeared to work for me so I decided to create my own. I wanted the least amount of drag on the motor and the weight of the filament to be balanced directly above the frame as it is acrylic. I would expect that over time that it might warp or shift if mounted off center with the weight being unevenly distributed.

Just no