Step-by-step:

Each product definition is linked to a specific Inventor base model, which is the part or assembly file that is open and active at the time the product definition is created.

AVRF_adpt_M01U01_intro_prdct_dfntns_001.webp In Inventor, with the Informed Design environment active, the Product Definitions dialog is open, and the assembly file associated with the base model is being selected.

A product definition contains the information necessary to publish a product model represented by an Inventor project dataset to the cloud on the Autodesk platform.

Once published, the product can be accessed to configure and generate variants, along with their various output types, either from within Revit or using the Informed Design WebApp.

The information contained within the product definition includes:

References to the associated Inventor data set.
The input parameters used to define product variance.
Any rules needed to constrain variant generation according to what can be manufactured.
Options that define the output types available; i.e. Revit families, native models, drawings, bill of material, step, SAT, and other outputs.

AVRF_adpt_M01U01_intro_prdct_dfntns_002.webp A view of the Inventor canvas, showing the model in the background, overlaid with images of the various output types that can possibly be contained in the product definition.

Product definition information is stored in a specific file with the name “mid-product-definitions.mpd”:

Automatically created by the Informed Design add-in when a product definition is created.
Stored in the same folder location as the base model file it references.

IMPORTANT: Do not move, delete, or edit the contents of the .mpd file manually, as doing so could result in the loss or corruption of the product definition information.

AVRF_adpt_M01U01_intro_prdct_dfntns_003.webp A view of a file explorer with the default mid-product-definitions.mpd being selected within a highlight window, with the associated Inventor files listed below it.

A single .mpd file is created at each folder of the Inventor project that contains a base model that a definition is linked to.

NOTE: you can have multiple product definitions per base model; thus, multiple product definitions are contained within a single .mpd file for one or more base models per folder.

AVRF_adpt_M01U01_intro_prdct_dfntns_004.webp The Inventor interface in the background, with the Product definitions dialog open and multiple product definitions highlighted.

To create a new product definition:

In Inventor, on the ribbon, click the Informed Design tab.
Click Product Definition.

AVRF_adpt_M01U01_intro_prdct_dfntns_005.webp The Inventor interface, with the Informed Design tab of the ribbon highlighted and active, and the Product Definition button highlighted for selection.

In the Product definitions dialog, select New product definition.

AVRF_adpt_M01U01_intro_prdct_dfntns_006.webp The Product definitions dialog box, with New product definition being selected, and the whole toolbar highlighted in red to show the edit, duplicate, and delete functions as well.

To modify an existing product definition:

In the Product definitions dialog, select the product definition file you wish to change.

NOTE: The viewable list of existing product definitions is based on the currently open and active document in Inventor, whether part or assembly.

You can edit, duplicate, or delete any product definition in the list. You can also save any changes made to a product definition.

Performing a Save As command in Inventor on a base model document that has linked product definitions will prompt an option to create a copy of the associated product definitions as well.

AVRF_adpt_M01U01_intro_prdct_dfntns_007.webp The Inventor interface, with the Save As dialog open in the foreground, and an arrow leading from the File menu. In the Save As dialog, the assembly file has been renamed and is being saved.

If saving to a location that contains an .mpd file, the copied product definition will be saved to the existing .mpd file.

AVRF_adpt_M01U01_intro_prdct_dfntns_008.webp The Save MID product definitions warning open, with Yes having been selected, and the file name dialog also opens, indicating that a copied product definition will be saved to the existing .mpd file.

If saving the base model to a different subfolder, a new .mpd file will be generated, if one does not already exist in that folder.

AVRF_adpt_M01U01_intro_prdct_dfntns_009.webp The Save MID product definitions warning opens, with Yes having been selected, and a different file name dialog also opens, indicating that a new product definition will be saved.

Product definitions offer a way to publish an Inventor product model to the Autodesk platform so that it can be leveraged in Revit designs and web app output generation workflows, using a predefined set of input parameters and rules that constrain the variants that can be generated and output types that can be extracted according to the product manufacturer's specifications.

Product definition with Informed Design

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