With a minidrill, engraving pen, or hand engraver, anyone can use these 30 patterns to embellish glass. Add decorative swirls, butterfly or Celtic knotwork corners to a frame; personalize drinking glasses with a classical wreath and initials, and more. “A large collection...motifs are arranged into general categories such as flowers or birds...would be useful in crafts collections.â€â€”Library Journal.