Draw a small oval or rounded rectangle for the guitar body
Add a long narrow rectangle for the neck
Attach the neck to the body
Draw a smaller shape at the top of the neck for the headstock
Add six tuning pegs on the headstock
Draw the sound hole in the center of the body
Add the bridge near the bottom of the body
Draw six strings from the bridge to the tuning pegs
Add frets across the neck
Outline the guitar shape clearly
Erase extra guide lines
Add details like pickguard, knobs, or cutaway if desired
Shade or color the guitar