How to remove the redundant part of an image ?

CAD has provided CLIP command which can be used to clip company logo, which is relatively regular in shape. But when it comes to a plant, a person or building, it would be much more inconvenient to use the CLIP command.

How to import and export PDF with CAD system?

DWG file format requires specific software such CAD or CAD viewer, and you may be having trouble with your drawing’s version or compatibility, but with a file in PDF format, you don’t need to worry all these things.