Trending Gel Nails Coffin Shape Short / This is a favorite amongst those that prefer long nails and it's a cool shape if you want to try something different. I have tried other nails without acrylic and they were so flimsy. Gel Nails Coffin Shape Short / Coffin shaped nails, almond shaped nails, acrylic nail shapes, ballerina shaped nails, oval shaped nails, square shaped nails.