Unless you are creating a flow diagram or a very simple block diagram, it is recommended that you use a graphic artist.

The existing projects have many hardware drawings that writers created. It might take time to get the drawings redone by a graphics artist, if it is determined that the cost is worth the benefit. This will have to be decided on a project basis.

Create line drawings in SVG format so that they appear in a higher resolution in outputs and the text can be translated.