-File Size: below 40mb in FBX format
-Polygon Limit: 600,000 polygons per model
-Maximum Number of Individual Objects: 900​

Export Files in FBX format below 40mb
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ARki uses FBX format which is compatible with most 3d Software Packages.
Below is a list of supported Softwares with FBX and how you can import them into ARki with textures.