by Chris Anjel | Oct 12, 2026 | MJF & SLS Operations
Can MJF watertight parts replace machined or molded fluid components? In an r/3Dprinting thread on making engineering prints watertight, a designer needed parts that could handle pressure spikes up to 10 bar and connect to NPT fittings. Bureaus get versions of this...
by Chris Anjel | Oct 11, 2026 | MJF & SLS Operations
SLS powder cleanup is the unglamorous part of running powder-bed machines. In a September 2025 r/SLSprinting thread titled “Dust everywhere!!?”, a Fuse 1+ 30W owner posted photos of powder spread around their setup and asked how to keep things clean. Every...
by Chris Anjel | Oct 11, 2026 | MJF & SLS Operations
MJF elephant skin is a wrinkled, rough surface defect that MJF operators complain about on big parts and dense builds. In an r/AdditiveManufacturing thread about packing density, one operator said massive parts are “extremely prone to elephant skin or weird...
by Chris Anjel | Oct 11, 2026 | MJF & SLS Operations
SLS TPU opens up gaskets, cushioning and grips, but it doesn’t behave like nylon. On the Formlabs community forum, a Fuse 1 operator in Denver described TPU clumping in the hopper so often, sometimes every 5 to 20 minutes, that they couldn’t leave the...
by Chris Anjel | Oct 11, 2026 | MJF & SLS Operations
SLS nylon yellowing catches new operators off guard: the first builds come out white, then later ones turn yellow or uneven. In an r/manufacturing thread on starting SLS, a commenter explained that without a nitrogen atmosphere the nylon oxidizes, and that any...
by Chris Anjel | Oct 11, 2026 | MJF & SLS Operations
MJF tolerances come up as soon as a customer designs printed parts that take hardware. In an April 2026 r/3Dprinting thread, a designer planning MJF PA12 parts asked what clearance to give openings for M5 and M6 nuts. The answers show why a bureau needs a clear,...
