Illustrator – Blob Brush Visitor so far so good? Let's learn about the Blob Brush in Adobe Illustrator. Once again David Gareth of TastyTuts will be leading you through Illustrator Basics. Up next is the Blob Brush. Make sure to follow along and experiment with the Blob Brush and Eraser on your practice document. If you understand the information in the tutorial, COMPLETE the mission. Easy, peasy Visitor. Next up we are going to learn about the Type Tool in Adobe Illustrator.