Vehicle, Mobility and Transportation Design Lignum Nature Friendly E Bike by Yunus Emre Pektas Lignum's goal was to design an electrical bike that didn't use the common pipe structure and produce it in an eco friendly way. Lignum focuses on the flexibility, sustainability and easy processing features of plywood. Plywood combined with aluminum parts meets the expectation of a solid body in a bike. Easy processing of plywood made the production very easy with CNC machinery, the most cost efficient way of production. 300W motor supports the user, up to a distance of approximately 75km.