Removing Background Color

In the image below the rear view of the chair has a white border that is so wide that it is covering the side view of the chair.

To Remove Background Color

Step 1	Click on the item that needs the background color removed
Step 2	Click on the Object Tab
Step 3	Click the box next to Remove Color

With the background removed from the rear view of the chair, the two views of the chair can be placed closer together.

Use the Distance adjustment to refine the color removal result.