This is only necessary for MJF Pa12 as the material produces defects at thicknesses above 10mm. Therefore, we will hollow MJF Pa12 that are thicker than 10mm to a wall thickness of 3mm. We will also add a honeycomb lattice structure inside the void to retain the strength of a solid part. Unsintered powder will be left inside the part so your part will weigh as much as a solid piece, this does mean that cutting into the part will release this powder.