Inventor

Create Revit Content from Autodesk Inventor Models

31 Jul, 2017 By: Jason Swiercz

IMAGINiT Tricks Tutorial: Learn how to convert Inventor files into BIM models for Revit, and the improvements made to Inventor 2018 to help users with that process.


 

One major difference I noticed after looking over the translation reports was how 2018 converts the model faces and the older versions convert the model features. I believe this may be one of the reasons I have seen a higher success rate with exporting non-simplified models with the 2018 version.

We will now look at the converted models in Revit 2018. The first thing I want to point out is the file size of each of the versions we have created. Users will notice that the 2018 version does a better job of compressing file size during the export process. Users also will notice that even though 2018 has the smallest file size, it was the only model to successfully export all the original details.



  
2017 simplified, 2017, and 2018 (left to right).


Assembly Files


Next, we will discuss the workflow of creating a Revit File from an Inventor assembly. There are a few workflows that can be used in previous models of Inventor when working with assemblies. The first option is a more manual approach, where users simplify their model with the commands in the Simplify Tab. Include Components allows you to select which part files you would like to keep in your design for exporting by creating a new design view called Simple View 1. Define Envelopes gives you the ability to simplify parts to rectangular or cylindrical shapes. Create Simplified Part converts the assembly file into a single part file. Users can use the simplification tools in the part file to simplify the model if they have not done so or have missed something in their design. From here, users will run the same steps discussed above. Recognize Revit Features > Add connection information, then export.

The next workflow shows how to create a Revit file from an assembly in 2018. The first step is to simplify the model by using Shrinkwrap Substitute. This command is located in the Assemble tab or when active in BIM Content.

There have been significant updates to the Shrinkwrap command in 2018:


2017 Shrinkwrap


2018 Shrinkwrap


The 2018 Shrinkwrap is a much more robust command than the previous version. The dialog box is divided into three tabs: Components, Features, and Create. In the Components tab, we can define which design view, positional view, and level of detail we want to use. Next, we can remove parts by size or select manually. In the view section at the bottom, we can display what parts are going to be included or excluded in the Shrinkwrap.

In the Features tab users, can remove holes, pockets, fillets, and chamfers. There are three options provided. Working from left to right, they are: do not remove, remove all detected, and remove all by size.

In the Create tab, users will name their part file, define the template type, file location, and BOM structure. The style section allows users to define how the bodies get modified. The last section allows users to fill all internal voids and remove any internal parts.

By running through the options available in the 2018 Shrinkwrap command, I was able to significantly simplify my assembly file size from 2,520 down to 1,252 KB with only a few clicks of my mouse.

 


  
Options available in the 2018 Shrinkwrap command.



Revit model.

In conclusion, the improved workflow, simplification of commands, and compressed file sizes will allow users to get their product out to the public more efficiently without putting a toll on the client models.

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About the Author: Jason Swiercz


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