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What is the minimum wall thickness requirement for SLS printed parts?

Last updated on Mar 31, 2026

The universal minimum printable wall thickness for SLS is 1mm. For small-sized parts (55mm), the wall thickness can be precisely controlled to 0.8mm with high-precision processing, while the wall thickness needs to be increased to 2.0mm for large parts (200*200mm) to ensure structural stability and printability.


All design files must have no broken holes. Keep main wall thickness above 1.2 mm, and ensure the thinnest feature is at least 0.8 mm. Thinner structures will bring printing failure and post-processing risks.