How to scale down CAD: Hot topics and practical tutorials on the Internet in the past 10 days
Recently, CAD (computer-aided design) operating skills have become a hot topic in technical forums and design communities, especially the basic but critical issue of "how to scale down graphics." This article combines the hot content of the entire Internet in the past 10 days to organize structured tutorials for you, and attaches relevant statistics.
1. Statistics of hot topics related to CAD across the entire network (last 10 days)
| Ranking | Topic keywords | peak search volume | Main discussion platform |
|---|---|---|---|
| 1 | CAD scaling | 12,800 | Zhihu/Bilibili |
| 2 | CAD batch modification | 8,450 | CSDN/Tieba |
| 3 | CAD version conversion | 6,200 | WeChat public account |
2. Three core methods of CAD scaling
Method 1: Basic operation of SCALE command
1. EnterSC(SCALE shortcut key) → Select object
2. Specify the base point (it is recommended to select the center point of the graphic)
3. Enter the scaling factor:
•50% smallerEnter 0.5
•Shrink to 1/10Enter 0.1
Method 2: Reference scaling (precise adjustment)
1. Execute the SCALE command and selectR (reference)
2. Specify reference length (original size)
3. Enter the new length (target size)
4. The system automatically calculates the ratio and applies it
| original size | target size | Automatically calculate proportions |
|---|---|---|
| 100mm | 75mm | 0.75 |
| 200 units | 50 units | 0.25 |
Method 3: Adjust layout space proportions
1. Switch toLayout tab
2. After creating the viewport, double-click to enter the model space.
3. Adjust in the status barViewport scale
4. Commonly used reduction ratios:
• 1:2 (50% smaller)
• 1:5 (80% smaller)
3. Top 5 common user problems (with solutions)
| question | frequency of occurrence | solution |
|---|---|---|
| Dimension changes after scaling | 38% | Use DIMSCALE to adjust dimension scale |
| Block reference cannot be scaled | 25% | Explode blocks or edit block definitions |
| non-uniform proportional distortion | 17% | Uncheck the "Uniform proportions" option |
4. Recommendations for popular learning resources on the entire network
1. Bilibili Tutorial "Top Ten Techniques for CAD Proportional Control" (view count: 243,000)
2. Zhihu column "CAD Scaling Rules from 1:1 to 1:100" (Collection: 8,200+)
3. Autodesk official document "Scaling Objects" (updated date: 2023-11-15)
5. Operation precautions
• Before scaling, be sure toBack up original files
• It is recommended to operate complex graphics in layers.
• Industrial drawings must comply with GB/T 14689-2008 proportion standard
• Batch processing availableScript function(SCR file)
Through the above structured tutorials, you can quickly master various scenario applications of CAD scaling. It is recommended that beginners start practicing with the SCALE command and gradually master advanced techniques such as reference scaling. If you need more data support, you can visit the CAD authoritative forum to check the latest technical documents.
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