The pillar shape should be understood as merely a preview. In this preview, a row of vertical pillars denotes the locations where support structures are required. A preview of the suggested support structures will be generated based on the overhang angle you enter.

Press the Generate Automatic Supports button after choosing an option. This option is helpful if the generated supports are challenging to remove or become trapped inside the part. Additionally, you can switch the support type from Normal to From Build Platform Only, which will only generate supports directly touching the build plate. Giving you a starting point for any future modifications can save you time. The software can recommend where it thinks support material is needed by using the automatic support generation options in the top section. There are several sections in the support generation toolbar. This knowledge will be put to use in the tutorial’s following section. It might show that any angle greater than 45 degrees would require support material. Let’s use your massive overhang test print as an example. The performance of these overhangs will depend on your layer height, temperature, material, and several other factors. This test will establish a helpful baseline for the angles your machine can support. The 60-70 degree sections of this part will probably not print as smoothly as you would like if you attempt to print it on your machine. What kinds of angles your printer can produce smoothly can be determined using Thingiverse’s Massive Overhang Test. Let’s start by looking at a typical model that can be used to determine the kinds of overhang angles your printer can handle. The edges of your layer may start to deform if you use steeper overhang angles at that point, you might want to add support material to the part. Most of the plastic layer is supported by the layer below it at these shallow angles. Because there is nothing to support the molten plastic as it is extruded out of the nozzle, if you tried to print this arch without support material, you might notice that the top layers of the arch appear to sag and droop.Īs a general rule, extrusion-based printers can typically support less than 45 degrees of overhang angles. For instance, if you printed an arch, the center of the arch might need support material because nothing would support the top layer from below when your printer tried to print it. When models have pronounced overhangs or unsupported regions, supports are used. The supports are built as a network of connected pieces so they can be removed from your model easily, despite appearing as individual pillars in the software. The Support Generation Tool makes adding, moving, and removing supports simple. These frail, breakaway structures support your model’s cantilevered and steep overhanging portions.

This tutorial will cover all the information you require about support structures.

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