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We just fixed downloads: every STL now comes straight from fast, reliable storage, saved under its own name, we're making 10,000 STL files and dozens of new tools, so things might break. We'll fix them ASAP.

AMF Building Bricks StarForge 3D Modeling Software

Custom Brick Plates Tuned for Clutch

Written by ASTM and ISO as an XML step up from STL, AMF, the Additive Manufacturing File format, has room for units, colours and materials. AMF Building Bricks save a custom brick or plate in it, with any stud count on an 8 mm stud pitch, round tubes underneath and pins on one-wide parts, and PrusaSlicer opens the file directly. The Fit Test Strip, five plates whose studs differ by 0.05 mm, finds the right clutch for each printer before 3D printing. StarForge 3D Modeling Software keeps a 3D Print STL File of every part as well; none is made, sponsored or endorsed by the LEGO Group.

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