Lines look jagged

Lines in SketchUp can sometimes appear jagged, as the following (enlarged) image shows:

The goal is to make the lines look more like this:

This is determined by the graphics card SketchUp uses.

Mac OS X

Go to SketchUp > Preferences > OpenGL and choose the level for Multisample anti-aliasing. This level is determined by the capabilities of the card (Graphics Card Details)

Windows

Click on the Window menu > Preferences > OpenGL. In this window you can choose (depending on your video card) 0x, 2x or 4x Anti-aliasing. See 1 in the image below. To verify that SketchUp is using your expensive video card for rendering instead of the integrated graphics chipset, click on the Details (2) button. This will bring up a small window showing which video card or chipset is being used.

Duale setup

If you have a dual setup with both a video card and an integrated graphics chipset, your video card will normally give you the ability to choose which one to use, both globally and on a per-program basis. Below is a guide on how to do this for SketchUp on an NVidia video card.

- Right-click on the desktop and choose NVidia Control Panel

- (1) Click Manage 3D Settings

- Click the second tab "Program Settings"

- (2) Click the "Add" button and select (the correct version of) SketchUp. If you have multiple versions of SketchUp installed, browse to the correct version in your Program Files to ensure the correct version is selected.

- (3) Choose Powerful NVidia Processor

- (4) Click Apply

When you restart SketchUp you may get a warning message. You can safely ignore this message. However, check the previous paragraph again to make sure SketchUp is using the video card and is using 4x anti-aliasing.