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Modeling screw and nut threads for 3D printing using Fusion 360

Manuel Vela
in 3D Printing
4 0 Beginner
Using a simple example of a screw and nut assembly with metric threads, we will explain the basic modeling procedure and necessary adjustments for printing a functional thread. The example will focus on creating an M10 metric thread, however, steps 1 to 8 explain how to create basic geometry without much detail, in order to provide sufficient context for understanding the general procedure for modeling a thread. This procedure can be extrapolated to other types of threads (not necessarily metric), including a custom thread created by the designer. If you already know how to model threads, I recommend going directly to step 9 to learn about the necessary adjustments to achieve functional printed threads. It is important to keep in mind that this procedure and the printing of screws and nuts in general is limited by the dimensions of the thread. That is, if it is too small, the results may be deficient or difficult to achieve. For example, an M3 thread may be almost impossible to achieve, but an M8 or M9 thread becomes easier to print. I hope you find this tutorial useful.
3d printing 3d offset hexagonal nut screw
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