The invention relates to a method of processing a mycelium object (30) in the form of a mycelium fibril into a mycelium product (MYP), the mycelium object comprising hyphae cells, said hyphae cells having cell walls, the cell walls of said hyphae cells comprising natural polymer including chitin/chitosan polymer, the method of processing the mycelium object (30) includes a reconstruction process (REC) for reconstructing mycelium objects in the form of mycelium fibrils into a mycelium fiber, the method of processing the mycelium object (30) further including at least one of the following processes: a deacetylation process (DEP) a plastification process (PP) a dyeing process (DYP) and a fat liquoring process (FLP).