The lightbox renderings are easy to do, and the steps are as follows:

First, find a lot of lightboxes, Baidu pictures or stereoscopic pictures of lightboxes on websites of major materials

Second, make a plan of lightboxes with ps, that is, a plan of one side or three sides for the audience.

thirdly, use the vanishing point tool to paste the floor plan on the light box and adjust the perspective.

fourth: fine-tune the details and shades.