1. Take your signature with your mobile phone or camera. It is best to shoot on white paper to ensure clarity and contrast.

2. Upload the signed photo to the computer. You can connect your mobile phone through a data cable, or use cloud storage service to transfer photos to your computer.

3. Open the vector graphics format that supports editing.

4. Create a new document in CDR software and open a DWG file with electronic signature.

5. Select the Insert Picture function in the CDR document to import the signed photo file uploaded and saved on the computer before.

6. After pasting, save the document in PDF format.