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Use Autodesk 3ds Max to prepare 3D content for Dynamics 365 Guides or for mixed-reality components included in apps created with Power Apps
In this articleWhen preparing CAD files for Microsoft Dynamics 365 Guides or for mixed-reality components included in apps created with Power Apps, you can run into numerous performance and quality roadblocks that prevent a smooth transition from CAD to real time. The 3ds Max program is a digital content creation (DCC) suite that has a unique ability to bridge parametric models and real-time polygon modeling. This tutorial demonstrates how to use the 3ds Max conversion and optimization capabilities to prepare 3D CAD models for use in mixed reality. Important This document is created strictly for informative purposes to demonstrate how Autodesk 3ds Max works with Dynamics 365 Guides and Power Apps. Your use of third-party applications is subject to terms between you and the third party. Microsoft Corporation is not affiliated with, is not a partner to, and does not endorse or sponsor Autodesk or any of Autodesk's products. There are other content-creation apps you can use to prepare your 3D models. What is Autodesk 3ds Max?Autodesk 3ds Max is 3D modeling and rendering software for design visualization, games, and animations. Read more about Autodesk 3ds Max. Import a file into 3ds Max
Optimize a 3D modelIf the polygon count is too high (see Performance targets), the model won't perform well in mixed-reality apps. To improve performance, you can optimize the 3D model by reducing the polygon count. To see the polygon count, first set up the viewport to show polygon statistics. Show polygon statistics
Add an Edit Poly modifierAdding an Edit Poly modifier helps eliminate shading issues that occur during modification. To add an Edit Poly modifier:
Select objects with high polygon countsThe best way to reduce the size of your model—while maintaining visual fidelity—is to find the objects that have the highest polygon count and reduce them the most. Objects such as screws and grills can have thousands of polygons that are rarely seen.
You now have selected the objects with the highest polygon counts. For the example model, about 123,000 of the 195,000 total polygons exist in five objects. The next section in this topic shows how to reduce the polygon count of these objects. Reduce the polygon count
Work with curved surfacesWhen curved surfaces are present on 3D models, they might appear faceted. You can soften the appearance of these surfaces by using Smooth.
At this point, your model might be optimized enough for use in mixed reality. If you think it will work fine in this form, you can skip to exporting your model as a GLB file. If the model is still too complex and has lots of materials, go to the next section. Set up materialsNot all CAD materials are compatible with real-time apps, so they must be converted first. In this section, we'll change the materials to a GLB-friendly material type called Physical Material. This material is very flexible and is compatible with mixed-reality technology. Note If your 3D model has 10 or more materials, performance might be an issue. To fix this, skip to Bake textures, later in this tutorial.
Add or modify existing materialsIn cases where you want fine control over materials, you can apply and change material characteristics such as color and reflection.
Bake texturesIf there are more than ten materials on the 3D model, combining them into a single material can increase performance. You can do this by "baking" material colors into a single image map. This is optional, but it's a good idea if you find that you experience performance issues when viewing your 3D model. The goal is to have one object with the colors of the original 3D model, and another that represents the combined 3D models to bake to. Note
Prepare the 3D model
Unwrap UVs
Create a copy of the original meshNow that the original mesh has been prepared, you need to create a copy of it to bake the texture to.
Bake texture onto the cloned mesh
d. Under Mapping Coordinates, select the Use Existing Channel option, and then set the channel to 1. e. Under Output, select Add, select DiffuseMap, and then select Add Elements. f. Select the three dots next to File Name and Type, and then select .png. g. In the pop-up menu, select the RGB 24 bit option, clear the Alpha channel check box, and then select OK. h. In the Target Map Slot field, select Diffuse Color. i. Select the Use Automatic Map Size check box. j. Under Automatic Map Size, select the Nearest power of 2 check box. k. After everything is set correctly, select Render to bake the diffuse color map. A preview window might appear, but the final map is automatically saved to the output location. The full group of settings for the Rendering menu looks like this:
Apply the texture
Export the 3D model
View a 3D model in Dynamics 365 Guides or Power AppsAfter you've prepared a 3D model, use the following links to learn more about using the model in Dynamics 365 Guides or Power Apps:
More informationSeveral screenshots in this document were taken from the Autodesk 3ds Max software program in order to provide clear instructions on how to use Autodesk's software. Learn more about Autodesk. You can find more information about these products here: Autodesk 3ds Max Microsoft Corporation is not responsible for, and expressly disclaims all liability for damages of any kind arising out of the use of Autodesk 3ds Max, or reliance on these instructions. This document is created only to provide general information to our customers and does not take into consideration any individualized business plans or specifications. The use in this document of trademarked names and images is strictly for informative and descriptive purposes, and no commercial claim to their use, or suggestion of sponsorship or endorsement, is made by Microsoft. FeedbackSubmit and view feedback for |