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.
MDF sometimes comes pre-primed, but if yours isn't, then you should prime the surface before painting. You can use any type of water-based primer, such as an emulsion paint or an acrylic primer.This base-coat of primer will help give the top coat a truer shade and will prevent it from being affected by the color of the board. do painting of mdf all the time. Water based undercoat is fine but i prefer two coats. then i use eggshell, oil based finish once. that should always be enough.