of it has vertical power.
while i want to reverse a massive piece of glass i slide it around the border of the desk for ease of motion.
then i slip it on the edge of the desk so that i can quickly grip the glass. i would advise that you have assistance when turning a bit this big.
i slip the panel halfway across the edge of the desk. the top half of this window remains backed by the desk and i’m holding the bottom half of this window upward with my right hand.
i need to take care to maintain the window from bending. i must support the window. too small and 