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STP is another extension for STEP files, identical in format and purpose. It’s commonly used in CAD and engineering to facilitate interoperability between systems. STP and STEP can be used interchangeably depending on naming conventions.
The 3DS file format was developed by Autodesk for its 3D Studio software. It’s a legacy format used to store 3D models, including mesh data, textures, lighting, and camera information. Although it's considered outdated today, 3DS files are still supported by many 3D modeling programs.
Convert your .stp files to .3ds 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 STP files into 3DS in just a couple of clicks. No registration, no limits — and it’s 100% free.