I think the P2S is excellent. But it still needs a few refinements.
First suggestion: When the machine switches to Air Filtration mode after a print finishes, it could start cooling the bed and the nozzle immediately. There isn’t much point in keeping the nozzle and bed hot during that phase, so it could automatically drop their temperatures down to zero.
Second suggestion: Sometimes small filament fragments can fall onto the bed. These bits can cause issues during printing, and they’re easy to miss during pre-checks—sometimes they even appear after the nozzle cleaning routine. Before running bed leveling or checking the bed height, I think the printer could use the nozzle part-cooling fan (the fan at the print head), at maximum speed, to blow across the bed while moving in an X and N-shaped pattern (with a rotating path). This could blow away dust and filament particles so the bed is fully clear. The AI can already detect objects left on the bed, but if it ever misses something, a safe “air sweep” pass at a controlled height could still help clear the surface.
Third suggestion (for the community): When the printer switches to Air Filtration, the fan shuts the enclosure and recirculates the air inside. The intake area it pulls air through is quite small, and you can practically fit a small HEPA filter there—like the compact “bento” HEPA filters (the type I’m currently using). Because of that, it may not be necessary to keep a large carbon filter in that spot if it restricts airflow or reduces overall efficiency. Instead, it could be more effective to design a simple adapter that lets users install a small HEPA + carbon setup optimized for that small intake path, improving filtration without compromising airflow.
That’s all from me for now. If anyone wants to add more, I’d love to hear interesting software-based tricks or workflow improvements. Thanks.