The traditional template scheduling method provides designers with design materials that do not reflect the real intention of designers, and a plane method based on three-dimensional virtual vision technology is proposed. In the given development environment, the mouse uses hand drawing, and the handwriting is formed by the obtained point sequence. The hand drawing adopts the method of smoothing noise to eliminate the noise, and the hand drawing stroke adopts two loops. The virtual model is drawn into 3D manually to realize the graphic design. After establishing the three-dimensional graphic design model, the visual effect is improved by using color mapping. The experiments show that this method can effectively realize the three-dimensional virtual model based on manual drawing, make the three-dimensional effect more real, meet the requirements of designers, and help designers show the real intention of design.