I'd use graph paper, and fill in squares.
I did my avatar pic in Excel, with the cells resized into squares. I believe there was one empty square between each of the crossbeam, and then two between the crossbeam and the one forming the leg.
I have another with the Rinzler logo (which I use elsewhere) and that one was three squares in a row, with another below the middle one.
Here's a straight-on view: