Vintage flower window: I use stained glass scraps, and cut them with my glass cutter. Then I lay the pieces out on the window I then glue them down with silicone and wait 24 hours to dry. I use sanded grout, black is my grout color of choice, Making Stained Glass, Stained Glass Art, Stained Glass Windows, Painting On Glass Windows, Mosaic Projects, Stained Glass Projects, Craft Projects, Mosaic Ideas, Mosaic Art