The method involves producing a two-dimensional surface structure from fiber and/or rod-like materials, and pressing the two-dimensional surface structure into a three-dimensional structure at temperatures above 90 degree Celsius. The fiber and/or rod-like materials are formed from bars and/or sticks and/or slats and/or strips, where the fiber and/or rod-like materials comprise wood-like materials e.g. pasture wood. The fiber and/or rod-like materials are arranged toward main stress axes. The two-dimensional surface structure is designed as a two-layer.