Why can't some filled patterns be printed by cad?

First, check that all layers are visible. If visible is not checked, it will not be visible when printing. Secondly, each print must be previewed in advance.

This layer also has a setting whether to print. By default, this layer is set to not print and cannot be modified. If you accidentally set the Defpoints layer as the current layer, the drawn graphics will be on this layer, or you accidentally select this layer in the layer list after selecting the graphics, and eventually these graphics will be displayed but not printed.

Of course, there may be other situations, such as old printing equipment and memory overflow, which leads to incomplete graphic printing.

Extended data

1, CAD technology has been in constant development and exploration. The application of CAD technology has played a certain role in improving enterprise design efficiency, optimizing design scheme, reducing the labor intensity of technicians, shortening design cycle and strengthening design standardization.

2. More and more people realize that CAD is a great productivity. CAD technology has been widely used in machinery, electronics, aerospace, chemical industry, construction and other industries. Design methods such as concurrent design, collaborative design, intelligent design, virtual design, agile design and life cycle design represent the development direction of modern product design mode.

3. At present, the research hotspots of CAD technology include computer-aided conceptual design, computer-supported collaborative design, massive information storage, management and retrieval, research on design methods and related issues, and support for innovative design.