1. Open the 3Dmax20 12 software and click Create-Graphics-Rectangle.
2. Draw the rectangular pattern of the reference line in the drawing area, and set the parameters of the rectangle, as shown.
3. Select a pattern, drag and copy several rectangles, and arrange the positions of the patterns, as shown in the figure.
4. Click Create-Graphics-Lines to draw the outline pattern of the bookshelf with the rectangular pattern as the reference.
5. Select the pattern, then pull out and copy the pattern.
6. Click the spline icon in the right workspace, and after selecting the whole copied pattern, set the contour line as: 18mm in the right workspace, and draw the spline with the contour line.
7. Click Modify-Extrusion, and the extrusion parameter is set to 400mm to complete the production of the side plate of the bookshelf frame. In the same way, complete the extrusion operation of the back plate of the bookshelf.
8. Click the Material Editor to open the Material Editor Settings column, set a white material ball as shown in the figure, and attach it to the model. After completion, adjust the positions of the bookcase side panel and the bookcase back panel, as shown in the figure.
9. Click Create-Graphics-Rectangle to draw a rectangular pattern, and then click Extrude, with the parameter set to 400mm, to complete the production of the bookshelf laminate model, and adjust the angular position of the model through rotation. Follow the same steps to make all the laminated models.