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.
closed as too broad by Alexandre Vaillancourt♦, Josh♦ Jan 19 '16 at 17:07
Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.
Collada (.dae) files seem to have support, according to 5-51 in the 1.4 specification:
<instance_geometry>element instantiates an object described by a
Collada is supported by most platforms.