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How to print features that are "in space"

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I am trying to figure out how to print features that are not touching the base platform. I essentially have a model similar to a car where the only features on the base platform are the wheels. What do I have to do in order to make the rest of the model print. I am new to using the replicator G. Any help would be appreciated.


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You need what we call "support structures".

Simply put, it support prints a bunch of thin lines under you model to support higher parts, later you break off the support structure and you'll end up with an "impossible" model.

Example with support:

http://daid.eu/~daid/IMG_20120418 ... .small.jpg

After support removal:

http://daid.eu/~daid/IMG_20120418 ... .small.jpg

Not sure where it is located in RepG, but in Cura it's a simple checkbox in simple mode, and you need to select "exterior only" support in normal mode.

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