Method for manufacturing a composite article

A method for manufacturing a composite article comprising of steps of:

• providing at least one sheet comprising a composite material, wherein the composite material comprises cellulosic fibers and a composite agent selected from the group of:
• thermoset resins, reactive thermoplastic resins, cellulose, hemicellulose, nanocellulose, lignin, bio-based polymers, substituted and non substituted furan, polyfurfuryl alcohol, and combinations thereof;
• perforating the at least one sheet to form one or more recesses in the at least one sheet;
• pressing the at least one sheet in a pressing tool such that bending of the at least one sheet occurs at the location of the one or more recesses, to form the composite article.