One solution besides the ones already suggested is just modelling the
chess piece again with less patches. A chess queen piece doesn't sound like
it would need 5000 lines of bicubic patches. Your model is probably
overdetailed (ie. most of the patches do nothing important and could be
replaced with one bigger patch).
  Just a though.

-- 
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/

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