After the sports floor is paved according to the drawings issued by the designer, paste the paper on both sides of the area to be drawn on the basketball court, and paint the line with white ink in the middle. After the ink has dried, remove the sticker. As for the three-point line and the centerline circle, because they are circular arcs, a ruler is needed. First, use a nail to fix the zero scale point of the ruler at the center of the circle, draw a line with the center of the circle as the radius (draw two lines with a distance of 5CM), then paste beautiful pattern paper on these two lines, and repeat the steps of drawing a straight line. Such a suspended splicing floor basketball court has been laid!