Functioning suit

Abstract

1. The name of the design product: function set ruler. 2. The use of the design product: the product is used for measurement and drawing work in the scene of mathematics learning, geometric drawing and engineering design, etc., and is a professional drawing tool integrating multiple functions. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: combined state reference drawing. 5. Other situations that need to be explained: set 1 is a ruler, set 2 is an isosceles right-angle triangle ruler, set 3 is a right-angle triangle ruler, and set 4 is a multifunctional ruler.

Images