FAQs on CAD! Congratulations, you’ve learned a few more important CAD operations!

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When using Haochen CAD, people often encounter various issues related to CAD operations that they are unable to resolve smoothly. This article summarizes these common CAD issues, in the hope of being helpful to everyone! 1. The boundary for filling is clearly closed, yet it shows “valid pattern filling boundary cannot be determined,” preventing the pattern from being filled. If it is determined that the filled area is closed, then it is highly likely that the entire filled area is not fully displayed on the current screen. You can try adjusting the view to ensure that all the boundary lines of this filling are visible on the screen, and then run the hatch command again. If the above attempts do not work, then a polyline can be used to redraw the boundary of the fill, or the filled area can be divided into multiple smaller fill regions with simpler boundaries using auxiliary lines, to make it easier for the computer to recognize. Because identifying complex boundaries not only takes a long time but also easily causes the software to freeze. The screen display area not only affects the recognition of filled boundaries, but it also has an impact on the well-known window selection mode and cross-selection mode. Therefore, when using the window selection mode, only the selected graphic that is entirely within the screen display area will be chosen. 2. What should I do if there are issues with the font display when I open someone else’s drawings? For the transfer of drawings within a department, this problem occurs less frequently because the same drawing standards and fonts are used. However, for the transfer of drawings across departments and regions, text display issues become very prominent. Others may not be aware of your text formatting settings; sometimes they will ask you directly for a specific font. Do we need to look in the font installation directory? It’s not necessary; at this point, the electronic transfer function can be used to send the drawings, fonts, and references to the other party in a packaged format. (1) In the menu bar, click [File] - [Electronic Transfer] to open the transfer creation dialog box. (2) Click [Add File] to add the drawings that need to be transmitted; drawings that are not currently open can also be added. (3) Click [Delivery Settings] to create a new delivery style, or modify the current settings directly; select the fonts and references to be used for packaged delivery as needed. (4) Finally, in the creation window for transmitting the data, you can see the contents that will be sent together; click 【OK】 to select the save location. 3. The drawing contains not much content, yet it is quite large in size. In addition to regularly saving their drawings to prevent data loss, experienced designers also use a command that is often employed for working with drawings, namely the purge command. This can effectively reduce the size of the drawings without losing any useful information in them. After the drawing is completed, execute the cleanup command to remove unnecessary data, such as blocks, layers, line styles, text styles, dimension styles, etc., that have been defined but not used. When cleaning up, check the option “Clean nested items” at the bottom of the dialog box to carry out a thorough cleanup, eliminating the need to repeat the process. Cleaning can also be carried out during the graphic drawing process, which helps to improve display and operation speeds; however, it is important to pay attention to what needs to be cleaned, such as certain line types, layers, text styles, and annotation styles. These contents might be used later, so do not delete them casually. At the same time, when cleaning up, be sure to choose the items that need to be retained by clicking the “+” next to each item, in order to avoid mistakes resulting from omissions. Have you learned all the solutions to common CAD problems mentioned above? If so, congratulations – you’ve learned a few more important CAD techniques!