Smallest 3x3 Glass Trapdoor (these titles feel too short in comparison xD)

My Twitter(@CubeDoesStuff):
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For the traditional joke down here: A furniture store keeps calling me,
All I wanted was one night stand...

Minecraft,Redstone,Piston,Door,CubemasterXD,CubeDoesStuff,Cube,Does,Stuff,Smallest,First,New,Fastest,Worlds,World's,Seamless,Silent,Possible,Observerless,no,Observers,old-school,3x3,glass,trapdoor,trap,gwjd,tara,newcomer,burnout,