CPC B29C 64/35 (2017.08) [B29C 64/255 (2017.08); B33Y 30/00 (2014.12); B33Y 40/00 (2014.12)] | 15 Claims |
1. Apparatus, comprising:
a sealing member for a build unit of a 3D printing system, the build unit comprising a surface which is exposed to residual build material in use, the sealing member adapted to engage with the build unit and form therewith a sealed fluid flow path comprising an inner surface including said surface, a fluid inlet and a fluid outlet, wherein the sealing member operates as a lid that is closed onto the build unit.
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