Hi Chris,
The short answer is: no, I have not yet.
The longer answer/explanation is:
I send my STL-files to Shapeways ( http://www.shapeways.com) for 3D-printing in PA 2200 (see http://www.shapeways.com/materials/white_strong_flexible).
The maximum size is 70x58x38 cm.
But I have not produced large pieces, as even at $1.50/cm3 it's getting expensive quickly...
For large pieces (up to 1m3) I use currently a hotwire EPS cutting machine.
But I am now trying to design a re-usable mould with MOI to be printed in PA2200, with which I would then like to produce multiple copies of an object.
For this mould I will probably have to build a support structure...
I hope this info is of some use to you
regards/Jurgen
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