OBS! Product is out of production.
UPM fibers are now used in Add:North Textura filament:
https://www.3d-tulostus.fi/Octofiber-UPM-Formi3D-PLA-Wood-Filaments
UPM Formi 3D’s enhanced adhesion to the print platform combined with extremely low shrinkage ensures perfect prints, even with the smallest of nozzles. Unique combination of fine cellulose fibres together with carefully selected additives bring printing with natural fiber composites to the next level.