It's becauase the argument passed to the chr() method is out of the range. Want to learn more Python for Data Science? Head over to DataCamp and try their free Python Tutorial
The second product used in this project is Liquitex pouring medium. This is a low viscosity (very fluid), clear, and high gloss acrylic medium. It is about the consistency of warm honey; quite sticky also. It can ben used with your regular heavy body paint to make them flow easier, and create cool dripping effects.
Here's a few tips to note when pouring fluid acrylic: 1  If poured directly, remember that fluid acrylics should not be diluted more than 50% in water as the paint might not adhere properly. 2  Try moving the angle of the paper or the canvas to make the paint go in a particular direction.