How to Make 3D Stained Glass Cactus Flowers DIY Learn how to make 3D stained glass cactus with flowers. These darling little light-catching glass art window sill sitters are a really fun stained glass project that doesn't require absolute precision with cutting or soldering. The free standing cactus is one of the best stained glass projects for all glass artist skill levels, plus get the free glass patterns. Learn how to transform a piece of glass into a copper foil glass cacti, perfect for a plant lover. I love how these turned out and they are a little easier to make because they don't need to be hand cut absolutely perfectly, because the pieces are all free-standing. You can make them a different size, but I found these are a cute size for the window sill or bookshelf. Glass plants are perfect--because no care, watering or sunlight is needed...although that sunlight sure makes these beauties look amazing! You'll get free shipping and a flat rate quick shipping time for U...