The Open Sauce 2026 maker festival, founded by science YouTuber William Osman, recently concluded its fourth annual event in San Mateo, California. The festival serves as a gathering for inventors, makers, artists, and cosplayers, showcasing various projects and technological advancements, particularly in 3D printing.
Among the exhibits, Positron 3D presented its LDO Positron upside-down 3D printer, designed to fold down to 200 × 200 × 70 mm, making it portable and easy to store. Additionally, @joescalon from Positron showcased the Prusawire R1 project.
Unlayered 3D demonstrated a non-planar 5-axis 3D printer, which is still in development. This printer deviates from traditional FDM layered printing by using a tilting print head and rotating bed, aiming to eliminate the need for supports and produce stronger, smoother outputs.
Prusa Research's booth featured its new CORE One+ INDX, displayed alongside other models like the CORE One L, MK4S, and XL machines. The company also collaborated with creators to showcase various projects, including a large cardboard Core One+ with a functional touchscreen.
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The Open Sauce 2026 maker festival featured new 3D printing technologies, including a foldable 3D printer, a non-planar 5-axis 3D printer, and new models from Prusa Research. These innovations demonstrate ongoing development in compact, advanced, and professional 3D printing solutions within the maker community.