Easily done with a small soldering tool. Do not cut the top until all the holes are made. When holes are finished, use the soldering tool to cut through in a freeform shape connecting to give a lacy edge. Paint the bottles.
Old window with hanging mason jars and candles. I love the potential versatility of these--change the color/scent of the candles to match the season.add bows to the frame or the mason jars, etc. hang under deck?