The last three days marked the 2018 Midwest RepRap Festival. Every year, the stars of the 3D printing world make it out to Goshen, Indiana for the greatest gathering of 3D printers and printing enthusiasts the world has ever seen. This isn’t like any other 3D printing convention — everyone here needs to take the time to get to Goshen, and that means only the people who want to be here make it out.

Over the weekend we covered some amazing hacks and printer builds from MRRF. The ‘BeagleBone On A Chip’ has become a complete solution for a 3D printer controller. This is a great development that takes advantage of the very under-used Programmable Real-Time Units found in the BeagleBone, and will make an excellent controller for that custom printer you’ve been wanting to build. E3D has announced they’re working on an automatic tool-changing printer. It’s a slight derivative of their now-defunct BigBox printer, but is quite possibly the best answer to multi-material filament printers we’ve ever seen. There’s some interest from the community, and if everything goes well, this printer may become a kit, or something of the sort. Filament splicing robots also made an appearance at this year’s MRRF, and the results are extremely impressive. Now you can create multi-color prints with the printer you already own. Is it expensive? Yes, but it looks so good.

This wasn’t all that could be found at MRRF. There were hundreds of printers at the event, and at last count, over 1300 attendees. That’s amazing for a 3D printer convention that is held every year in the middle of nowhere, Indiana. What were the coolest sights and sounds coming out of MRRF this year? Check out the best-of list below.

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