Printer used was the 20th public iteration of the Minuteman design by nozzle-head Yan Roetz.
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Watch On Roetz was already the holder of the 3DBenchy world speed record, adhering to SpeedBoatRace rules, with a time of 74 seconds. He recognized that shaving another 15 seconds off that time would need considerable design changes to the specially designed Minuteman 3D printer. The three main considerations behind a successful under-a-minute attempt were thought to remain the same – maintaining rapid material flow, capable cooling, and an optimized motion system. However, the maker thought that the Minuteman was capable enough to achieve a sub-60-sec 3DBenchy by reworking the motion system alone.
In summary, Roetz thought the Minuteman hotend, designed to be capable of 400mm/s filament flow, wouldn’t hold back the record 3D printing attempt . Neither would its cooling air duct system, which the maker said could deliver about 400 liters of air per minute (additional cooling possible using gas such as helium). As we said above, the bed’s motion system was the current bottleneck, and the tech that Roetz said would be completely revamped for this 20th episode.
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Reference reading
- https://www.tomshardware.com/3d-printing/SPONSORED_LINK_URL
- https://www.tomshardware.com/3d-printing/3d-printing-enthusiast-smashes-59-second-3dbenchy-for-new-speed-world-record-minuteman-3d-printer-with-revamped-bed-motion-system-breaches-minute-mark#main
- https://www.tomshardware.com
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