While trying to print something on my MakerBot last night, I had an awesome fail where the heater barrel of the plastruder was ripped out. Upon continued reflection, I think this was the product of how I had the heater barrel interfaced with the insulator barrel and I think I know how to fix it without replacing parts. Check out the video below:
Just tweeted ur link, you need a nut (if you not already sorted it) http://bit.ly/8CiYiC this will stop it from comming out