How do you make a slide out desk?

Quote from the video:
Quote from Youtube video: So I cut my wood down to size and use my router table to route out dados for the bottoms of the drawers. Well. The most difficult part of this build what were the slide drawers.

How do I extend my existing desk?

An easy way to make a desk bigger is to add a large board or similar material on top, increasing the surface space automatically. It’s important, however, to make sure that the new desk top matches the old desk and that the board is not too heavy for the desk to support.

How do you make a sliding shelf under a desk?





Quote from the video:
Quote from Youtube video: So i have enough space to get the keyboard in and out here this is just a three and a half inch piece of scrap wood. A 1 by 4 scrap wood.