This week’s Draw Tip Tuesday video is full of pen tips–not multiple nibs, but some cool tricks you can do by using just one tip of your pen. Sketchbook Skool co-founder Koosje Koene learned this trick from SBS fakulty member Melanie Reim during Melanie’s klass.

You’ll see the great lines you can get from a fountain pen, a tool usually reserved for writing that turns out to be several great art instruments in one. Watch, enjoy, and try it out! And let us know: Have you tried using a fountain pen for sketching? What are your favorite types? Leave your answers in the comments below.

Koosje Koene is the co-founder of Sketchbook Skool, creator of Draw Tip Tuesday, and a featured teacher in many other Sketchbook Skool kourses.