Download your file as STL.
Get a copy of http://www.netfabb.com/basic.php
You can measure, repair, rotate and scale your file here.
Read the Design Rules for each material.
Shapeways does not usually allow multiple parts in a file except for earrings and a pair or set of something. You will have to join your parts together with 'sprues' or make a 'cage' around them.
Shapeways does not usually allow multiple parts in a file except for earrings and a pair or set of something.
That's only for Silver and Steal.
You can use multiple Parts to a file if the parts are big enough. Small small parts must sprued together, or they will go through the drain by the cleaning process
To Check the cost and the automatic checks I sometimes upload a in between model. Than you can se if something is totally wrong and you can see in the price category.