Sumatex Limited manufactures DOBBY CAD Software. Sumatex Limited is an ISO 9001: 2000 certified company. DOBBY CAD Software is user friendly and provides power and flexibility as wanted by the advanced weaver. The main object of the program is to assume that the user knows very little about computers and the main interest of the user is weaving. The beginner weaver will really begin to understand the weaving process by playing with the different parts of the patterns, whereas the advanced weaver can use the many features to provide more creativity in designs.