– one of the biggest events in the additive calendar. Carolyn Schwaar has an excellent overview of how the show is evolving and how best to experience it if you happen to be visiting. For the rest of you, our homepage is where we'll be showing off all the cool things we find.

You can help sharpen what we show, even. There are some clear tracks emerging that we can see, but what do you most want to see from this week's fair?

Laser instructions shouldn't need a visa to travel between powder bed fusion machine brands. The 3MF Consortium's new Toolpath Extension could make that possible by letting manufacturers share, inspect, and validate laser instructions without getting tangled in proprietary formats. The open specification keeps toolpaths and original part geometry together in one 3MF file, with support for variable laser settings, multiple lasers, and complex build sequences. It's particularly promising for tricky structures like graded lattices.

Matt, All3DP's senior editor, is putting Creality's K3 toolchanger through its paces, and so far, the latest contender in the toolchanger arena has given him plenty of reasons to be optimistic. Naturally, that means it's time to make its life miserable. Enter a 78-hour multi-color print torture test. The K3 has made a strong first impression: it's capable, well-equipped, and its four tools offer CMYK or CMYW color mixing. The CFS Nano feeder unit, however, has yet to win us over. Watch the latest dispatch from the All3DP Lab to see how Matt's getting on. The full review is coming soon.