In other programs, like SketchUp, it’s a bit more complicated. You can then select how big the hollowed space will be and how thick the walls will remain. It can hollow any shape by clicking on ‘modify’ and ‘shell’. One program with an easy-to-use hollowing function is 123D Design. We’ll take a look at some examples here nevertheless. How do I create a hollow model in my 3D modeling software?Įach and every 3D modeling software works differently, so hollowing a 3D model is easier in some programs than in others. Read our guide on how to get the perfect wall thickness for your 3D print and make sure to read the guidelines for your 3D printing material first. However, think about the fact that making walls too thin can make your model too fragile and might cause parts of it to break off. That’s only logical since this means that less material will be used and the print will be cheaper. Maybe you are thinking about saving some money by pushing the wall thickness to the minimum. Some, like Solidscape HD wax or Detail Cast Resin RC31, can go quite fine with minimum wall thicknesses of 0.3 mm and 0.4 mm, while most of our materials range somewhere in between 1 and 3 mm. We don’t have a single, ‘one-size-fits-all’ wall thickness to recommend for each and every 3D printing material. A printer needs to know how thick the walls of your objects (the ‘outer shell’ if you will) are supposed to be. Material that is not used for building your 3D print can then be removed.Īre the walls thick enough for a hollow model?Ĭreating a hollow model means that you need to design your object with ‘walls’. If you would like to avoid this, you can add ‘escape holes’ to your design. However, since our printers print layer by layer, 3D printing material can get trapped in the interior of your model as you can see in the image in the middle below. With a hollow model the interior of your print will be empty. Solid designs are not necessarily a problem – depending on the material they will be stronger and harder to break, but they will also be more expensive as more 3D printing material will be used. Reduce costs: create a hollow 3D model & 3D print.Ī hollow model means that the interior of your object will not be solid. So let’s take a look at these things a step at a time. ![]() However, creating a 3D model with an empty interior can be a bit tricky: you need to know how to hollow your model in the 3D modeling software you’re using, you need to define a wall thicknessthat is strong enough for your model not to break, and it probably makes sense to add so-called ‘escape holes’ to your model. ![]() Save money using less 3D printing material
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