Composition for three-dimensional printing, a method for preparation thereof and uses thereof

A kit of parts for providing a composition in the form of a paste for three-dimensional printing, said composition being free from polylactic acid and comprising the following components:

• (a) a polysaccharide comprising a cellulose derivative and/or a lignocellulosic derivative selected from at least one of the following:
• a wood fiber, sander dust, sawing dust, a lignocellulosic fiber, a lignocellulosic paste, a lignocellulosic powder, a cellulose powder, a cellulose paste, a cellulose fiber, a regenerated cellulose, and a lignocellulosic composite;
• (b) a pH regulator selected from at least one of the following:
• an organic acid, an inorganic acid, an acid generating salt, a buffer, an acidic polymer, and a base;
• (c) a resin selected from a melamine resin and/or a phenol resin;
• (d) a rheology modifier selected from water and/or glycerol;
• and
• (f) an organic filler selected from at least one of the following:
• a cellulose fiber, algenite, cork, latex, wax, shellac, and gum arabic;
• wherein said kit of parts comprises:
• (i) a first component comprising said pH regulator;
• and
• (ii) a second component comprising said resin,
• wherein said first component and/or said second component further comprise(s) said polysaccharide;
• wherein said first component and said second component further comprise said rheology modifier thereby providing said first component as a paste and said second component as a second paste;
• and
• wherein said first component and/or said second component further comprise(s) said organic filler.