Petalis is a decorative wall unit that also works as a sound amplifier. It is aimed to direct the sound which is coming from the sound source. Under normal conditions, the effectiveness of the sound is lost because of the other interior elements. Petalis helps to take advantage of the sound source capabilities more with the help of different angled leaf pieces. The project is driven by the idea of creating home sized theater after inspired by the acoustic mirrors. The sound experience amplifies with Petalis.

A curious and a quite fastidious person at the same time. His curiosity pushes him to discover and learn new fields, his fastidious side drives him to try and do the things have learned. This causes to have new skills and more knowledge. He believes that these two characteristics follow each other and makes things better especially while working on design projects. The more he uses this cycle the more he could have the change to touch people’s lives.

Grau Design; aims to create ideas which turns to innovative design projects and problem-solving solutions while analyzing the customer's needs and demands. Designing products which are innovative, functional and user-friendly are the structural ideologies of the company.