Extrabold Tools is a growing set of browser-based 3D tools for makers, built for speed and customization. Our flagship Gridfinity Generator lets you create custom baseplates, bins, and inserts no Fusion 360, no Blender, no BS.
Generate STL files instantly, tweak live previews, and fine-tune dimensions, margins, magnet holes, and more all in the browser. Whether you’re organizing your workshop, optimizing your print bed, or just want a faster way to prototype printable objects.
