Isometric Text Illustrator. It is basically the same technique used to create the grid, but it can be applied to all your shapes to. Now follow the below steps:
Man Working On Computer At Home Isometric Vector, Man from pngtree.com
In the end, things should look like in the following image. There is another method that is much more useful for creating curvy or complex isometric objects in adobe illustrator. This is so easy tutorial to make this kind of shape.