Coffin-shaped short acrylic nails art is best designed and trendy as they give more room for creativity. Also, coffin-shaped fall nails are colorful, sparkly, and popular. From light, fresh to bright, transparent colors you’ll find in fall, Short Coffin Nails have many acrylic short nail ideas. Scroll down and choose your favorite fall nail designs. So what is an acrylic spike coffin? Since people began to trim their nails, there have been two primary forms: round and square. We are waiting for various nail designs. If you want to look stylish and understatement, simple coffin nails are the way to go. Coffin acrylic nails are exquisite and have many nail designs that are perfect for manicures. We’ve found enough nail designs that you can build all year round.