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Now this is quite a large piece 200mm long by 35mm wide. My design thickness was .75mm-.8mm - it had to be printable in WSF as well as FD though in fact I find is a little thinner in a few places - it's messy as it curves in multiple directions, though this should also make it stronger.

So what thickness should I make this so it does not break?

Will attach stl file in separate post .

Tom
]]> tebee 2012-05-17T09:38:03-00:00 http://www.shapeways.com/forum/index.php?t=rview&goto=48572&th=9554#msg_48572 tebee 2012-05-17T09:39:52-00:00 http://www.shapeways.com/forum/index.php?t=rview&goto=48586&th=9554#msg_48586

Avoid those 90° edgings.
Use small 45° chamfers, or (even better) a small radius.

And, instead of making the whole thing thicker, "just" add some internal struts.]]> pfeiffer stylez 2012-05-17T13:03:19-00:00