Using Text to make line and shapes in a subject.
1) Find a portrait of a person or animal. It should be your own image, so look on your social media, email, and etc. Make sure the image is in focus, high resolution, and has good exposure.
2) Open Photoshop and place portrait in a new canvas that is US letter size.
3) Make a new layer, and make a line drawing and/or pen tool paths of the subject.
Here are two Tutorials to get you started: