Whoamigo Portable Drafting Board, Easily Adjustable Drafting and Architecture Tool for Students and Professionals, Drawing Board

Card crotch button: Button with card crotch can be fixed on a certain scale at any for time Small edge button: Control the opening and closing of the left and right edges, and insert the paper in the side T-shaped ruler with a small tunnel: Can be matched with set square or angle ruler.Move and draw lines on it Drawing board with small bracket: It can support the drawing board when drawing. Easy to draw NAME:Multi-function drawing board