Paper cutter cutting round shape

The invention provides a paper cutter cutting a round shape. A fixed rack capable of being opened is arranged on the side end of the paper cutter; and when a round-shaped pattern is required, the rackon the paper cutter is opened and the paper cutter cuts along the rack, and a whole round-shaped patterned can be obtained. 本发明提供种可以裁圆形的裁纸刀，所述的裁纸刀的侧端设有个可以打开的固定支架，当我们需要裁划圆形图案时，可以打开裁纸刀上的支架，并将裁纸刀沿着支架裁划就可以得到个完整的圆形图案。