ballpoint pen

Abstract

1. The name of the product of this design: ballpoint pen. 2. Purpose of this design product: This design product is used as a ballpoint pen. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: 3D drawing of Design 1. 5. In each design, the top view and the bottom view are symmetrical, and the top view is omitted. 6. Designate Design 1 as the base design. 7. Other situations that need to be explained: In each design, the shaded parts in reference Figure 1 and reference Figure 2 are transparent.

Images