You can read more about it here: Elephant foot compensation Fine details and material consideration The PrusaSlicer feature 'Elephant foot compensation' can improve the tolerances of some areas. When you find the right glue for your model and material, the seam should be stronger than the rest of the material, but you might want to model in some pegs for alignment and strength. Superglue can be very viscous so it may not be ideal for rough surfaces. The need for sanding will depend on geometry, surface finish, and type of glue.

Also, it can be helpful to lightly sand the surface to increase adhesion. The ironing feature in PrusaSlicer can also assist in this. When you glue the parts of your object together, make sure that the surfaces to be glued are smooth and free of grease or dirt, to achieve an invisible seam. You can also use Meshmixer to cut the models. PrusaSlicer has a cut-tool to make this easier. The parts of the object can then be glued together. This way, you can minimize the number of supports required. This way they can be optimized for better orientation and place on the print platform. The best solution here will be to print the part horizontally.īoth the visual and mechanical properties of your model can be improved by splitting it into multiple parts. In the pictures below, you can see two ways how to design a fence, if we want to print it in a vertical position. Let’s take a look at an example - you need to design a part of a fence and it’s up to you how the pickets will look. You can model in break-away supports, or split your part into multiple pieces (explained in the next section) for a better orientation.

If you must have very steep overhangs or free-floating geometry in your design, consider if this will be visible in the final product, as surfaces above supports will not have the same finish as a side wall or a top fill.

For smaller nozzles, like 0.25 mm the angle might be less than 45 degrees. The standard diameter for nozzles on desktop 3D printers is 0.4 mm. That said, short horizontal bridges can be printed without supports.Ī 3D printer can cleanly print overhanging structures with an angle between 45-60 degrees, depending on your nozzle diameter and settings. When designing, keep this limitation in mind and try to avoid creating steep overhangs and extreme angles. 3D printers can’t print in mid-air, as each layer has to be laid on top of another one. The most important thing to keep in mind while modeling for 3D printing is the need for support material. For a small introduction to finding a 3D modeling software, see Creating your own 3D models.

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