Best answer: Why are my DWG files so large?

How do I reduce the size of a DWG file?

How to reduce the size of a DWG file in AutoCAD

1. Detach all unneeded xref files using the XREF command.
2. Select all objects in a drawing and enter the OVERKILL command. …
3. Enter the -PURGE command and choose Regapps.
4. Enter the PURGE command and select all options.
5. Enter the -SCALELISTEDIT command and reset the scale list.

Why is my DWG file so big?

Corrupt data in the drawing. The DWG was created in a non-AutoCAD application. A large amount of AEC objects or metadata in the file. Data is imported from a DGN file and the original linetypes were not mapped or were incorrectly mapped to AutoCAD linetypes.

How do I reduce 3D size in AutoCAD?

How to reduce the size of a 3D drawing file in AutoCAD

1. Export 3D solids to a SAT file using the ACISOUT command.
2. Delete all 3D solids and import them again using the ACISIN command.
3. If AutoCAD Mechanical is available, use STEPOUT and STEPIN instead (layer and colors are better preserved).

How do I resize a drawing in AutoCAD?

With a calculator, divide the intended length by the measured length. Enter the SCALE (Command). Select a base point, such as 0,0,0. Enter the obtained scale factor to adjust all objects in the drawing model to their correct size.

Why is AutoCAD using so much memory?

There are several known causes: Large number of annotative objects present in a drawing. General file corruption. Graphics driver conflict.

How do I reduce a 3D file size?

For example, you can give the free 3D modeling program Meshmixer a try. Choose the ‘Select’ tool from the menu on the right, then double-click on your model (this will select your entire mesh). Then click on the ‘Edit…’ option and select ‘Reduce’.

How do I reduce the size of a DXF file in AutoCAD?

Depending on the content of the source DWG, the DXF can be several magnitudes larger in size. File size can be reduced if unused blocks and objects are removed from the DWG (see How to reduce the size of a DWG file in AutoCAD).

How do I reduce the size of a file in Civil 3D?

Civil 3D – Simplify a Surface

1. Create the surface.
2. Access the Edit surface Tool by selecting the surface and taking advantage of the contextual ribbon.
3. From the Edit surface drop down menu choose Simplify surface.
4. For the simplify method choose the point removal option and choose Next.

What is scaling in CAD?

The Size Is Right



One such tool that we’ll be learning about today is scale in AutoCAD. To scale an object or a drawing means to convert it into a more convenient and legible size. Imagine you have a floor plan that measures around 1,000 x 1,000 inches.

How do you change the scale factor in AutoCAD?

To Scale an Object by a Scale Factor

1. Click Home tab Modify panel Scale. Find.
2. Select the object to scale.
3. Specify the base point.
4. Enter the scale factor or drag and click to specify a new scale.