How to Remesh and Bake Decals in Unreal Engine

This guide is part of the RapidPipeline 3D Plugin Actions Knowledge Base. It shows how to Remesh and Bake Decals on Unreal Engine; if you'd like to know more about it, please check out the following links:

• Learn more about the Remesh and Bake Decals
• Learn more about Unreal Engine

1. Select the model you want to optimize (if no selection is made, the whole scene will be processed).
2. Inside the plugin window, choose the action Remesh and Bake Decals.
3. Press the Run button.

• Use the Unreal Engine plugin
• Select mesh(es) to process
• Choose an action and adjust settings
• Run the process
• Examine the results

This tutorial shows how use the RapidPipeline Processor plugin in Unreal Engine to simplify a model by generating a simple, clean mesh and bake details such as graphic images and logos into textures using the Remesh and Bake Decals action. This optimization method is optimal for assets like apparel with seams or prints. For more information see the Unreal Engine plugin Documentation.

The t-shirt input model.

The t-shirt after the optimization, remeshed and baked.

Here is a preview of the processing´s output: the input t-shirt (top) has 32 nodes and 700k faces, and the output (bottom), 1 node and 8k faces.

The fabric, trims, seams and prints have been remeshed into a single mesh, and the details have been baked into texture maps.

The Remesh and Bake Decals action opened in the plugin.

To compare the shading of input and output simply inspect the models in the Unreal Engine viewport, using the standard Lit shading mode.

“Lit” mode in the Viewport Shading Mode menu.

Node hierarchy of Input.

Node hierarchy of Output.

Finally, to fully check the topology optimization by enabling Wireframe from the Viewport Shading Mode menu, so you can see a wireframe view of your models.

The Input with enabled “Wireframe”.

The Output with enabled “Wireframe”.

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