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By positioning the model in this way, we hit the sweet spot of getting the best surface finish where we want it, appropriate strength for the application, and minimizing support material. This orientation will minimize the amount of support material and cleanup necessary as well. This orientation will give us the best possible surface finish on the rounded surface that will be the sliding contact surface.

This is how I would orient the part, based on our application of using this model as an end use part.

How should I orient this model for printing? Here I’ve modeled a half-circle slider with holes for mounting. For example, some furniture drawers and cabinets use nylon contact surfaces for sliding. Sliding parts are very common, and if they do not use ball bearings, chances are they use bushings made of plastic. These parts provide hypothetical situations where you might use the part to give insight for different applications.īefore we dive in, it is important to note that this guide assumes that you have a basic knowledge of FDM 3D printing, and are familiar with the 3D printer you are using. I have created three example models that emulate common 3D printing situations, and will walk through how I would orient these models, prioritizing surface finish, strength, and minimal support material use. Depending on the geometry of a part, you may want a certain face or feature to look perfect, the part to be strongest in one direction, or to minimize the amount of support material used to reduce print time and cost. However, orienting a print to not fail is only the tip of the iceberg. Stratasys systems use soluble support material, which means almost any orientation can work to 3d print a model.

Knowing how to orient your model for 3D printing correctly is one of the biggest challenges in getting effective parts.