> For the complete documentation index, see [llms.txt](https://help.auxalia.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.auxalia.com/plant-tools/plantspecdriven/how-to-use/use-cases/explaining-context-menus-pid3d/structure-tree/3d-fastener-classes.md).

# 3D Fastener classes

This chapter describes the functions when using the context menu from a Fastener node in a 3D drawing.

**Zoom onto PID Symbol** will show you a dialog, because the Fasteners in P\&ID do not show themselves in the drawing.

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![](https://2994090777-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FZH2AGHzvPfBW7YdaaGc0%2Fuploads%2Fgit-blob-f90b39f28db0d521c5c1b3a70c049f77d62f5436%2FUse-Cases-0449.png?alt=media)