I had an old school project that depicted very simplified steps for amniocentesis (a procedure in which amniotic fluid is removed from the mother’s uterus for testing). Looking at it now it was in desperate need for updating. I wasn't happy with the color choices I had made, plus my whole comp setup was sloppy and line weight inconsistent.

I decided to focus on the main spot image and work on updating that. Below is the final updated piece.

Some details:

An animated summary of my process can be seen below: