AutoCAD

How To Resize Model Space In AutoCAD?

Understanding Model Space in AutoCAD

Model space is the primary workspace in AutoCAD where drawings are created. It allows for the design of objects at a 1:1 scale, meaning that the dimensions you draw represent actual sizes. However, when working with complex designs, resizing model space can be essential to manage the drawing better or to fit in with paper space configurations.

Steps to Resize Model Space in AutoCAD

1. Define the Limits

To effectively manage your workspace, start by defining the limits for your model space. This sets a boundary for your drawing.

– Type the command `LIMITS` in the command line and press Enter.
– Specify the lower-left corner of your limits with coordinates (e.g., 0,0) and press Enter.
– Now, specify the upper-right corner (e.g., 100,100) and press Enter again.
– Finally, reset the view by typing `Z` and pressing Enter, followed by `A` to fit the drawing within the new limits.

2. Using the Scale Command

Resizing objects can also help adjust the overall presentation of your model.

– Select the object(s) to scale. Use a window selection or click on individual items.
– Type the command `SCALE` and press Enter.
– Specify a base point for scaling. This point will serve as the anchor.
– Input a scale factor. Use a value greater than 1 to enlarge or a fraction less than 1 to reduce the size. Confirm by pressing Enter.

3. Adjusting Viewports for Better Management

Sometimes adjusting the model space involves tweaking viewports, especially when moving to paper space.

– Switch to paper space by selecting the layout tab.
– To create a viewport, navigate to the `Layout` tab and locate the `Viewport` panel.
– Choose `Rectangle` and draw the viewport in the paper space area.
– To modify the viewport scale, select the viewport and look for the scale drop-down menu on the status bar. Choose the desired scale, and click to apply.

Changing the Workspace Settings in AutoCAD

Customizing the workspace can enhance your workflow and fit your preferences.

– Navigate to the Manage tab and find the User Interface panel.
– Select the Customize tab, which opens the Customizations window.
– Expand the Workspaces node by clicking the plus sign (+).
– Right-click the workspace you wish to activate and choose `Set Current`. Confirm your action by clicking Apply.

Understanding the Scale Factor

The scale factor is crucial when resizing drawings. It represents the ratio of a drawing’s dimensions in model space to its actual real-world size. For instance:

– A scale factor of 0.5 means the drawing will be half its original size, while a factor of 2 means it will be twice as large.

You can calculate the scale factor by measuring a specific dimension on your drawing and comparing it to the intended real-world size.

Frequently Asked Questions

1. How do I scale multiple objects simultaneously?

Select all the objects you want to scale at once by using a window selection. After selecting, type `SCALE`, specify the base point, and enter the scale factor. All selected objects will resize uniformly.

2. Can I revert my changes after resizing objects in AutoCAD?

Yes. You can use the `UNDO` command to revert changes if the resizing does not meet your expectations. The command allows you to backtrack through your previous actions.

3. What should I do if an object is not resizing correctly?

Check whether you’re using the correct base point and scale factor. Additionally, ensure the objects are not locked. If locked, unlock them using the `UNLOCK` command before resizing.

About the author

Wei Zhang

Wei Zhang

Wei Zhang is a renowned figure in the CAD (Computer-Aided Design) industry in Canada, with over 30 years of experience spanning his native China and Canada. As the founder of a CAD training center, Wei has been instrumental in shaping the skills of hundreds of technicians and engineers in technical drawing and CAD software applications. He is a certified developer with Autodesk, demonstrating his deep expertise and commitment to staying at the forefront of CAD technology. Wei’s passion for education and technology has not only made him a respected educator but also a key player in advancing CAD methodologies in various engineering sectors. His contributions have significantly impacted the way CAD is taught and applied in the professional world, bridging the gap between traditional drafting techniques and modern digital solutions.