Practical guides on 3D sharing, CAD formats and web visualization.
Open an IGES or IGS file (.igs / .iges) online for free, with no CAD license. Interactive 3D viewer, IGES vs STEP explained, share via link in 60 seconds.
STL is a triangle mesh for 3D printing; STEP is an exact CAD solid for engineering. The real difference, a comparison table and which format to choose.
OBJ carries universal static geometry; FBX embeds animation, rigging and full scenes. The difference and which format to choose.
Convert a GLB to STL for free for 3D printing: Blender method, online converters, what you lose, and how to check scale and a watertight mesh.
Convert a PLY to STL free for 3D printing: MeshLab, Blender, handling point clouds vs meshes, watertight mesh, scale, and how to verify the result.
Convert a PLY to OBJ free: MeshLab, Blender, handling scan vertex colors vs texture, when to pick OBJ over STL, and how to verify the result.
Convert an FBX file to OBJ for free: step-by-step Blender method, online converters, what you lose (animation, rig), and how to avoid an all-grey model.
Convert a DAE (Collada) file to GLB for free for web and AR: Blender method, online converters, and the up-axis and texture pitfalls to avoid.
Open 3DS (.3ds) files online for free — no 3ds Max, no install. View your 3D models in the browser and share an interactive link in seconds.
Convert a 3DS file to GLB for free for web, AR and sharing: Blender and online methods, with a clean mesh packed into a single lightweight file.
Convert a STEP file to IGES for free: FreeCAD and CAD Assistant methods, the solid-to-surfaces topology trap, units, and how to check the result before sending.
Convert a GLB file to OBJ for free: step-by-step Blender method, online converters, what you lose (PBR, animations), and how to check the mesh and textures.
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