RealBrush Images (IMAGE) Princeton University, Engineering School Caption The graphics program RealBrush, which was developed by a team of researchers including Princeton scientists, can not only create authentic brushstrokes in a wide variety of materials, it can also exactly render effects such as smudging and overlapping. Credit Jingwan Lu et al. Usage Restrictions Non-commercial use License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.