Happy Menocals Cardiogram in charcoal is an imaginative small-scale stripe with electric energy. A creative take on a classic pattern, this versatile fabric is a lively print for furniture, pillows and window treatments. Cardiogram fabric in charcoal color by Schumacher is a popular fabric in the New Wave: Black & White collection. Schumacher Pattern Number 180180. Fabric World Product ID 536743.