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Five major disadvantages of computer-aided design (CAD) include high initial costs, a steep learning curve, hardware and software dependency, data security risks, and software incompatibility issues.
The investment required for CAD can be substantial, especially for small businesses or individual users.
Learning and mastering CAD software can be a time-consuming and challenging process.
Because CAD is entirely dependent on hardware and software, technical problems can cause major disruptions to workflows.
CAD files often contain sensitive intellectual property, which makes them vulnerable to cyber threats.
Different CAD programs use proprietary or different file formats, which can create collaboration issues.
Related Question and Answers
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You're right—using SendKeys isn't the most reliable approach. Instead, you can use AutoCAD's ActiveX API to open a drawing properly in VBA.
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Yes, you can access material, designation, and user-defined iProperties through the Inventor API using Document.PropertySets. For example, oDoc.PropertySets('Design Tracking Properties')('Material') gets the material, and custom properties are under 'User Defined Properties'.
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In Autodesk Inventor, parameters default to 3 decimal places for display, but you can get full precision by accessing the .Value property directly in VBA/VB.NET, which returns a Double with full internal precision (~15-16 digits). Avoid using .Expression or .FormattedValue if you need raw numeric accuracy.
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You can buy CAD software directly from the official websites of the software developers, through authorized resellers, or from major software retailers. For free software, downloads are available from the official project websites.
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To learn computer-aided design (CAD) software, you should first choose a program based on your goals, then follow a structured path of learning fundamentals, practicing with projects, and utilizing the many online resources available.
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