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faux stained glass i have a foot wide opening vent that runs the width of the new greenhouse that has two thin, but long, window openings. i kept thinking how great they would look with stained glass in them. i google imaged rock n roll stained glass and found a few great images. i borrowed a few, took some liberties with colors and arranged them into two sort of long collage things. i printed them on my ink jet printer onto transparent full sheet labels. i have been collecting plexiglass, and fresnel lenses, from old projection TVs. usually, a projection TV will have 3 sheets of thin plastic. a clear sheet, a tinted sheet, and a fresnel lens sheet. i have about 8 sets of the 3 in various sizes. i used a rip saw to cut 4 sheets of plastic (2 clear & 2 fresnel) to fit the spaces. i applied the printed labels to the fresnel lenses, and then covered them with 3 coats of polyurythane. then i glued the clear plastic over them to protect the labels. the clear plastic side will go inside, and the fresnel outside. the fresnels are about 3/16 thick. a fresnel lens is a sort of beefed up magnifying glass. you could use one to focus the power of the sun, the way you would with a regular magnifying glass, and a fresnel will become a sort of high power laser beam. i have been told they can melt a rock. using them as i am, they magnify the colors of the printed windows. they look almost like the colors glow. i don't have them up in the windows yet. i am actually a little afraid that they might focus the power of the sun in the way i will have them on the roof of greenhouse. 
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