Figure 4 from: Montesanto G (2015) A fast GNU method to draw accurate scientific illustrations for taxonomy. In: Taiti S, Hornung E, Štrus J, Bouchon D (Eds) Trends in Terrestrial Isopod Biology. ZooKeys 515: 191–206. https://doi.org/10.3897/zookeys.515.9459

Figure 4 - GNU Image Manipulation Program. A Toolbox window: Path Tool is marked with a black square B Tool Options window of Path Tool C Stroke Path windows with the settings for a "Medium dashed" line (3 px) D Portion of the Image window showing the result (at 400% zoom level) of the "Stroke Path" button.