1, sign the paper, and make the paper signature into a picture file with a digital camera, scanner or mobile phone camera;
2, open the bitmap vectorization tool (such as AlgoLab
picture
Vector), the signature image file vectorization, as shown in figure;
3. Click the file menu-Save as dxf to save the file to the appropriate path;
4. Open CAD and open the signed dxf file, as shown in the figure;
5. Click View menu-Zoom-Range, as shown;
6. Delete the redundant lines, and complete the CAD electronic signature.