http://www.shapeways.com/forum/index.php Shapeways: Bring your creativity to life in 3D http://www.shapeways.com/forum/index.php?t=rview&goto=57100&th=11625#msg_57100
I determined that the Shapeways VRML reader did not like the Color array method for specifying part colors.

Hand editing the files to use a Material spec fixed the upload issue.

Please add support for the Color specification.
]]> dbgarlisch 2012-11-19T17:03:59-00:00