Pencil Holder

Project Time: 4 hours

In this project, you’ll be stepping up the difficulty a bit. Printing a pencil holder requires a couple of tricks to accomplish. As you’ll notice once you open the file, the model is solid and doesn’t open like a cup. In order to use it as a pencil holder, the Slic3r settings must be modified to remove the top and make the inside hollow. This should give you an idea of how powerful the slicing software is and how it can be used to customize the model.

Load the .STL File and Resize the Model, If Necessary

In Repetier, click Load and select the pencil_holder.stl file, which is included in the model pack at the Idiot’s Guides website ( Next, check its size on the Object Placement ...

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