This is a collection of many kinds of art - much of which is commissioned by the site maintainer, using donated and personal funds. Most are US spacecraft, but since the USA is cooperating with Russia on the International Space Station, the site also includes a few Russian spacecraft.īy law, information products produced by US federal government employees in the normal course of their duties are "copyright free", which is essentially identical to "public domain". This is a small collection of models of spacecraft. We’ve decided to use three licenses for all the models on Blend Swap, We’ve done this to keep licensing as simple as we can on the site while still offering authors a variety of ways to distribute and protect their art.Ĭreative Commons Attribution-ShareAlike (CC-BY-SA) Rendering of a sofa from Blend Swap (Credit: NikiTron | / CC By) If you're using CC By-SA license on your work, you can use anything on this site:īlend Swap uses the Creative Commons license system. That makes it extremely useful for free-culture projects. Only models under free Creative-Commons licenses (CC-0, CC-By, or CC-By-SA) are allowed on this site. These are by far the best sources for a free culture project. CC free licenses or public domain (6 sites)Īll content on these sites is "free" in the sense of "free software" and all of it is compatible with re-release under a "Creative Commons Attribution-ShareAlike" license. All that said, though, I hope you will find my categories helpful. Certainly you should read the terms of any given site yourself before using the content. If you want someone else to blame if you hit problems, you'll have to hire a lawyer. Of course, I probably should add the disclaimer that "I am not a lawyer, and this is not legal advice". Do the terms interfere with the By-SA terms for the final animation?įor each, I searched the site for the license terms.Can we share the models at all (with users or for collaboration)?.Can we release derivatives under By-SA with the rest of the source tree?.I then categorized these according to three major criteria: For each, I searched the site for the license terms (this varies from easily pasting text off of the front page to searching vainly for a non-existent notice and finally giving up). I took the original list and added a few sites I already knew about or found along the way. So some fact-checking was in order.ĭigging through these sites to find licensing terms is a major headache, as they quite frequently hide or omit this informationĭigging through these sites to find licensing terms is a major headache, as they quite frequently hide or omit this information, but with a long list of needed 3D models that I don't really want to create custom, I'm going to have to figure out which sites are clearly usable, which ones I might consider compromising on, and which ones are absolutely unusable for us.Īs long as I'm doing that, I might as well share the results! Like most lists of this type, it turns out that the word "free" doesn't really mean "free" for most of the content. Recently, I read a list of "60 Excellent Free 3D Model Websites". 3DĬAD models can be downloaded as polygonal 3D meshes also.This article is part of an on-going series on the challenges I've faced in producing two free-licensed movies, Lunatics, which we are working on as Anansi Spaceworks and Marya Morevna, through the Morevna Project. SolidWorks, Autodesk Inventor, Pro/Engineer, PTC Creo, Siemens NX, Fusion 360, Solid Edge, CATIA, ACIS and other CAD/CAM/CAE packages. x3d).ĭownloadable 3D CAD Solid Object file formats available: The following file formats can be exported from these above programs: 3D Studio (. stl).ĭownloaded 3D Models can be used in 3ds Max, Blender, Maya, Lightwave, Softimage, Cinema 4D, AutoCAD, Houdini, Daz Studio, Modo, Unity 3D, Unreal Engine, SketchUp, ZBrush, Poser and other 3D modeling software. Downloadable 3D Polygonal Mesh file formats available:ģds Max (.
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