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STEP is a standardized 3D CAD file format used to exchange product design data between different software systems. It supports precise geometry, materials, and structure, making it ideal for engineering and manufacturing. STEP files typically have the .step or .stp extension.
STL is one of the most widely used formats in 3D printing. It represents the surface geometry of a 3D object using a mesh of triangles. STL files do not store color or material data but are ideal for rapid prototyping and additive manufacturing.
Convert your .step files to .stl right in your browser — no downloads, no installs. Everything happens securely in the cloud.
We never store your files permanently. Only you can access them, and they’re automatically deleted from our servers within 2 hours.
Turn your STEP files into STL in just a couple of clicks. No registration, no limits — and it’s 100% free.