[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"extension:v3:en:ply":3},{"resolvedFromAlias":4,"canonicalExt":5,"ext":5,"name":6,"category":7,"categoryName":8,"updatedAt":9,"popularity":10,"summary":11,"howToOs":12,"quickAnswer":18,"answerIntro":19,"whatIs":20,"description":21,"furtherReading":22,"openInstructions":38,"commonIssues":51,"securityNotes":72,"faq":76,"aliases":89,"mimeTypes":90,"relatedExtensions":91,"breadcrumbs":137,"categoryAnchor":147,"categoryFuturePath":148,"metaDescription":149,"availableHowToOs":150,"openOnDeviceLinks":151,"cannotOpenReasons":167,"cannotOpenFixes":168,"convertOptions":169,"securityAffiliateMessaging":170,"securityAffiliates":171},false,"ply","Polygon File Format (PLY / Stanford Triangle Format)","3d","3D","2026-06-12T08:46:37.607Z",55,".ply is a 3D geometry file format commonly used for polygon meshes and point clouds. It can store vertex/face data plus per-element properties, in either ASCII or binary encodings.",[13,14,15,16,17],"windows","mac","linux","ios","android","To open .PLY files on Windows, install Blender.","To open a .ply file, use a 3D application that supports the Polygon File Format, such as Blender (import). If a file won’t open, it’s often due to an ASCII vs. binary mismatch or an unexpected set of properties in the header.","PLY (Polygon File Format) is a model data format defined by a text header followed by data for “elements” (such as vertices and faces) with named “properties.” The header starts with the magic word \"ply\" and declares whether the body is ASCII or binary, along with the element/property layout needed to parse the file.","The PLY format (also known as the Stanford Triangle Format) was specified in 1994 by Greg Turk. Its design emphasizes a flexible, self-describing structure: a header declares the elements present (e.g., vertex, face) and the data types and properties stored for each element.\n\nA key practical feature is support for multiple encodings: the same logical structure can be stored as human-readable ASCII or as more compact binary data. This makes PLY useful both for interchange and for efficient storage when working with large geometry datasets.\n\nPLY is widely used for 3D scanning and research workflows, where point clouds and polygonal meshes often carry additional per-vertex/per-face attributes (for example, colors or other measured properties) beyond just positions and indices.",[23,26,29,32,35],{"title":24,"url":25},"The PLY Polygon File Format (1994 specification by Greg Turk)","https://gamma-web.iacs.umd.edu/POWERPLANT/papers/ply.pdf",{"title":27,"url":28},"Library of Congress: Polygon File Format (PLY) Family","https://www.loc.gov/preservation/digital/formats/fdd/fdd000501.shtml",{"title":30,"url":31},"Blender Manual: Stanford PLY (Import/Export)","https://docs.blender.org/manual/en/latest/files/import_export/ply.html",{"title":33,"url":34},"Wikipedia: PLY (file format)","https://en.wikipedia.org/wiki/PLY_%28file_format%29",{"title":36,"url":37},"IANA Media Types Registry","https://www.iana.org/assignments/media-types/media-types.xhtml",{"windows":39,"macos":42,"linux":44,"ios":47,"android":49},[40,41],"Install Blender.","In Blender, use File → Import → Stanford (.ply), then select your .ply file.",[40,43],"In Blender, use File → Import → Stanford (.ply), then choose the .ply file to import.",[45,46],"Install Blender from your distribution or from Blender’s official packages.","In Blender, use File → Import → Stanford (.ply) to load the file.",[48],"There is no widely documented native iOS support in the provided sources; transfer the .ply to a desktop app such as Blender to open or convert it.",[50],"There is no widely documented native Android support in the provided sources; transfer the .ply to a desktop app such as Blender to open or convert it.",[52,59,66],{"title":53,"description":54,"steps":55},"File won’t import because it’s ASCII vs. binary (or endianness) doesn’t match expectations","PLY can be stored as ASCII or binary, and binary can be little- or big-endian; the header declares this. Importers may fail if the file is mislabeled or if the tool has limited support for a given binary flavor.",[56,57,58],"Open the file in a text editor and check the header lines after \"ply\" (the \"format\" line indicates ASCII vs. binary and endianness).","Try importing the same file in Blender, which explicitly supports Stanford (.ply) import/export.","If you have control over the exporter, re-export the model as ASCII PLY to maximize compatibility.",{"title":60,"description":61,"steps":62},"Model loads with missing colors/normals or looks “wrong”","PLY is flexible: it can include many optional properties per element. Some importers only handle a common subset (e.g., x/y/z and faces), and may ignore or misinterpret additional properties.",[63,64,65],"Inspect the header to see which properties are present for each element (e.g., vertex properties beyond x/y/z).","In your 3D tool, look for import options that map vertex colors/normals or that enable reading additional attributes.","If interoperability is the goal, export a simpler PLY variant with only the properties your target software is known to support.",{"title":67,"description":68,"steps":69},"Import is extremely slow or the file is very large","ASCII PLY is readable but can be much larger and slower to parse than binary PLY, especially for dense point clouds or high-polygon meshes.",[70,71],"Check the header’s \"format\" line to see whether the file is ASCII; if so, consider converting/re-exporting to binary PLY for faster I/O.","If the dataset is a point cloud, reduce density (decimate/downsample) in your processing pipeline before exporting PLY.",[73,74,75],"PLY is a data format (not a script format), but it is commonly parsed by complex 3D software; malformed or maliciously crafted files can exploit vulnerabilities in importers. Only open .ply files from sources you trust.","Because PLY can be binary, you cannot safely “inspect” the full contents in a text editor; rely on the header for structure and treat unexpected property declarations or unusually large element counts as a sign to be cautious.","If a .ply file triggers crashes on import, avoid repeated attempts in multiple tools; the safest approach is to obtain a fresh copy from a trusted source or open it in a sandboxed environment.",[77,80,83,86],{"question":78,"answer":79},"Is .ply the same as the Stanford Triangle Format?","Yes. The Polygon File Format is commonly referred to as the Stanford Triangle Format, and the header begins with the magic word \"ply\".",{"question":81,"answer":82},"Can a .ply file store point clouds as well as polygon meshes?","Yes. PLY is used for polygonal models and is also commonly used to store point clouds (typically as a “vertex” element list, optionally without faces).",{"question":84,"answer":85},"How do I tell whether my .ply is ASCII or binary?","Open the file and read the header: the \"format\" line indicates ASCII or binary (and for binary, the byte order).",{"question":87,"answer":88},"Does PLY have an official IANA-registered MIME type?","The provided IANA media type registry is the authoritative place to check registrations; no PLY-specific MIME type is confirmed by the provided sources.",[],[],[92,98,104,109,115,121,126,131],{"ext":93,"name":94,"category":7,"categoryName":8,"popularity":95,"summary":96,"howToOs":97},"stl","STL (Stereolithography) 3D Mesh",85,"STL is a widely used 3D model exchange format for 3D printing and rapid prototyping, storing a surface as a triangle mesh. It commonly comes in either ASCII or binary form.",[13,14,15,16,17],{"ext":99,"name":100,"category":7,"categoryName":8,"popularity":101,"summary":102,"howToOs":103},"fbx","Autodesk FBX (Filmbox) 3D interchange format",78,".fbx is a proprietary 3D scene and asset exchange format owned by Autodesk and widely used to move models, animation, and scene data between 3D tools and game/animation pipelines.",[13,14,15,16,17],{"ext":105,"name":106,"category":7,"categoryName":8,"popularity":101,"summary":107,"howToOs":108},"obj","Wavefront OBJ (3D geometry) file","OBJ is a widely used text-based 3D geometry format that stores vertices, texture coordinates, normals, and polygon faces. It is commonly accompanied by a separate MTL material library file for appearance settings.",[13,14,15,16,17],{"ext":110,"name":111,"category":7,"categoryName":8,"popularity":112,"summary":113,"howToOs":114},"gltf","glTF (GL Transmission Format) 3D Asset",70,".gltf is a JSON-based 3D scene/model format (glTF 2.0) used to exchange and render 3D assets. It’s commonly opened in 3D tools like Blender, web apps via Three.js, and viewers that support glTF.",[13,14,15,16,17],{"ext":116,"name":117,"category":7,"categoryName":8,"popularity":118,"summary":119,"howToOs":120},"glb","glTF Binary (GLB)",68,".glb is the binary form of glTF 2.0, commonly used to deliver 3D models and scenes as a single file. It’s widely supported by 3D tools and viewers that can import/export glTF.",[13,14,15,16,17],{"ext":122,"name":123,"category":7,"categoryName":8,"popularity":10,"summary":124,"howToOs":125},"3mf","3D Manufacturing Format (3MF)",".3mf is the 3D Manufacturing Format (3MF), an open standard for exchanging 3D print-ready models and related data. It is commonly opened in 3D printing “slicer” software such as PrusaSlicer.",[13,14,15,16,17],{"ext":127,"name":128,"category":7,"categoryName":8,"popularity":10,"summary":129,"howToOs":130},"blend","Blender Project File (BLEND)",".blend is Blender’s native project file that can store an entire 3D scene (objects, materials, textures references, animations, etc.) in one file. It is primarily opened and edited with Blender.",[13,14,15,16,17],{"ext":132,"name":133,"category":7,"categoryName":8,"popularity":134,"summary":135,"howToOs":136},"mtl","Wavefront Material Template Library (MTL)",45,".mtl is a text-based material library used with Wavefront OBJ (.obj) files to describe surface appearance such as colors, shininess, transparency, and texture maps.",[13,14,15,16,17],[138,141,144],{"label":139,"to":140},"Home","/",{"label":142,"to":143},"File Extension Index","/file-extension",{"label":145,"to":146},".PLY","/file-extension/ply","category-3d","/category/3d","Learn what .PLY files are, how to open them on every platform, common fixes, and security best practices.",[13,14,15,16,17],[152,155,158,161,164],{"os":13,"label":153,"to":154},"Open .PLY on Windows","/how-to/open-ply-on-windows",{"os":14,"label":156,"to":157},"Open .PLY on Mac","/how-to/open-ply-on-mac",{"os":15,"label":159,"to":160},"Open .PLY on Linux","/how-to/open-ply-on-linux",{"os":16,"label":162,"to":163},"Open .PLY on iOS","/how-to/open-ply-on-ios",{"os":17,"label":165,"to":166},"Open .PLY on Android","/how-to/open-ply-on-android",[53,60,67],[56,57,58],[],"untrusted_source",[172,176],{"name":173,"description":174,"affiliateUrl":175},"Avast","Avast offers free and premium antivirus software that protects against viruses, malware, ransomware, and phishing. Scan files before opening them to ensure safety.","https://www.avast.com/lp-aff-consumer-store?expid=inf601",{"name":177,"description":178,"affiliateUrl":179},"Norton","Norton 360 delivers comprehensive antivirus protection, VPN, and identity theft monitoring. Scan files for threats before opening to keep your device secure.","http://buy.norton.com/aff_home?utm_campaign=en-ww_nor_n36_aff_nas_nau_nah_cj_nad_low:_sec_nat_mktc_norton_360"]