PC support https://youtu.be/eXDtPKGf4CM To use your laptop on your lap or on the bed without blocking the vents This support is equipped with a sliding shelf to use the mouse. This stand is not only a hard surface to put the notebook on, it also has an air vent on the bottom that facilitates the passage of air. Video in progress (provisionally see version 1 which is on the same principle) Note: More for 16-17 inch computer A little sanding may be required at the spring and notches. cc by sa