Spin 3D File Converter Plus - Version 5.41 Spin 3D File Converter Plus by NCH Software is a fully-featured 3D File Converter. It is the fastest and easiest to use 3D model converting software on the market. Download Spin 3D File Converter Plus today and get started converting in just minutes! Spin 3D File Converter Plus features: * Supported file formats: STL, 3DP, 3MF, OBJ, PLY * Fast and easy to use * Multithreaded batch conversion * Convert 3D meshes to STL or 3DP and edit in MeshMagic 3D * Convert MeshMagic 3D projects to other formats *