How to create a custom part in AutoCAD Plant 3D using an AutoCAD block.
Open a catalog in the Spec Editor, switch to tab "Catalog Editor". Click "Create New Component". Choose option "Custom - AutoCAD DWG Block-based graphics". Fill the other fields as needed and then click "Create". On tab "Sizes" click button "Select Model..." and select in the browser the AutoCAD drawing with the converted block.
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