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I am looking for a 3D file format that supports instanced components/objects. That is, there is one geometry declaration and then it is instanced in numerous places. Open formats are very much preferred.

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  • \$\begingroup\$ There is OpenFlight. (.flt) \$\endgroup\$ – Vaillancourt Jan 19 '16 at 3:55
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Collada (.dae) files seem to have support, according to 5-51 in the 1.4 specification:

The <instance_geometry> element instantiates an object described by a <geometry> element.

Collada is supported by most platforms.

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