Do you want to design a scientific poster that effectively conveys your research results? One that looks professional, and communicates a clear message? This guide provides 8 easy steps towards the creation of such a poster. It will guide you through the idea process and composing your main message, while giving you the tools you need to draft and create the visual design that fits your needs. The 8 steps are easy to implement and are accompanied by examples for further context. This step-by-step design guide provides useful tools, tips and examples for scientists, students and for anyone who has to make scientific posters or science visuals.