Nut and hollow Bolt Set.
thingiverse
Just a simple nut and bolt set. One of the bolts is a 2 piece hollow item that is held together with the nut. Maybe keep an asprin in there or something! Oh yeah one more thing... this is built in inches so it will be tiny when imported into makerware... so have it scale up when makerware asks... Instructions Models made in Moi3d. Printed in clear PLA on Makerbot Replicator2. Also I included a screen capture of the way the hollow bolts are oriented in makerware. I printed with rafts but no supports.
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