This is used for creating scheme files with a set of instructions for embroidery on Melco and Bernina sewing machines. The EXP format for Melco sewing machines contains only information about skips, which create necessary patterns. EXP for Bernina already contains information regarding thread color schemes used in a design. The files are edited and created in vector graphics processing programs.
PNG is a raster graphic data storage format that uses lossless compression algorithm to Deflate. PNG was created as a free format to replace GIF. PNG supports three main types of raster images: grayscale image, a color indexed image and the color image. PNG format stores graphical information in a compressed form.