a picture is what you need. Taking a picture of woodworking projects will serve many purposes. Adding to or starting a portfolio, as a sales aid., archiving a project. showing fabrication/production steps and techniques. And, maybe the most important. Recording something you executed and are proud of. No , it's not a brag its just "this is what I did and it is good". Here are some tips and hints about taking the pictures.
https://www.pixelz.com/blog/7-steps-opt ... otography/Don't forget to sign and date your work. If you expect it to last and maybe get passed on or down, someone will wonder, who did it and when