1. Plant Biomechanics Group; Botanic Garden; University of Freiburg; Faculty of Biology; D-79104 Freiburg im Breisgau Germany
2. Freiburg Materials Research Center (FMF); University of Freiburg; D-79104 Freiburg im Breisgau Germany
3. Chair of Biogenic Polymers; Straubing Center of Science for Renewable Resources; Technical University Munich; D-94315 Straubing Germany
4. Freiburg Centre for Interactive Materials and Bioinspired Technologies (FIT); University of Freiburg; D-79110 Freiburg im Breisgau Germany
5. Department of Microsystems Engineering; University of Freiburg; D-79110 Freiburg im Breisgau Germany
6. Institute for Computational Design and Construction (ICD); University of Stuttgart; D-70174 Stuttgart Germany