Snapmaker announced the Liber High Flow Hotend for its U1 printer on September 22, 2026, developed with Phaetus for projects requiring sustained material output.
Where the extra flow fits
The assembly uses a split-flow melt channel and a DLC-coated hardened-steel nozzle. Snapmaker positions it for large parts, long walls, and broad infill areas where melting capacity can limit extrusion.
In its comparative tests against the U1 stainless-steel hotend, Snapmaker reports volumetric-flow increases of 66% for PLA, 87% for ABS, and 43% for PETG HF. These are manufacturer measurements under stated test conditions.
Flow is not the same as finishing time
Snapmaker cautions that increased material output does not translate directly into the same percentage reduction in print time. The benefit depends on how much of a job is constrained by melting capacity.
For tabletop makers, this makes the announcement more relevant to evaluating large FDM terrain projects than to assuming every small miniature will print faster. Compare settings and results for the work you actually plan to make.
Source: Snapmaker's Liber announcement. Featured image: Snapmaker and Phaetus promotional artwork.