To prevent blockages a minimum diameter of 1.5mm is recommended, with an increase of 1mm in diameter for every 10mm depth. (e.g., a 30mm hole should be at least 4.5mm wide)

MINIMUM: ø1.5mm

+DEPTH: ø+1mm per 10mm depth

When designing hollow parts, be sure to use large openings and avoid non-line-of-sight cavities to prevent trapping unsintered material inside.

MINIMUM Opening Diameter: 50mm