To plan components for the use in mechanical engineering, simulations of the material are necessary. The properties of these materials are gained by testing. Testing methods of solid wood are standardized only for a longitudinal loading. The material testing which is the base for realistic
simulation of components needs to be standardized to secure the comparability of different materials. The geometry of the specimens is an important part of the testing methods. The forms have to be evaluated not only regarding the fitness and manufacturing but also enable the usage of innovative three-dimensional optical measuring systems. Therefore, different forms of tensile rods are compared to define suitable geometries for tensile test in direction of as well as perpendicular to the fibre.