The platform (board) scribing process is an indispensable process in general machining. Due to the tools used, square boxes, scribing discs, squares, etc., the lines are limited, not parallel lines or vertical money. The angle between the line and the line is always a right angle of 90°. However, some parts of the workpiece are required to have certain angles (such as the weight of the machine and the weight of some textile machines in the textile industry). Square box on the platform (board)