Image shows different level of details for the same 3D model

Create LODs for your 3D models – A Step-by-Step Guide

June 28, 2024

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Creating LODs is commonly used for real-time rendering in video games and interactive tools. This guide helps to understand what LODs are, why it makes sense to use them and how to create them easily.

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What are LODs? – Clarifying important definitions

  • LODs: LOD stands for "Level of Detail". LOD representations of a 3D model (commonly abbreviated as "LODs") are used to describe the level of complexity in a 3D model. It is used to reduce the amount of detail by simplifying the polygons as they get further and further away from the camera.  
  • Polygons: Polygons are 2D shapes used for creating 3D mesh. Every polygon is made up of at least three vertices and edges. Together, they form a closed shape. A Polygon consisting of four vertices makes a quad. 
  • Mesh decimation: method of reducing the number of vertices, edges, or faces building the polygons of a 3D model without substantially changing its shape.
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Why use LODs?

Creating LODs helps to achieve smoother, more effective performance while maintaining visual quality by managing the computation required to render complex scenes (essentially reducing the file size/volume of 3D models).

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Step-by-Step Guide: How to create LODs for your 3D models with RapidPipeline

  1. Sign up to RapidPipeline.
  2. Upload your 3D model .
  3. Duplicate the existing preset "Preserve UVs and Normals Mid Res" and set your target face count and texture resolution. 
  4. Name the preset accordingly (example: LOD1, LOD2, LOD3).
  5. In the Assets screen trigger the LOD creation using your preset(s). 
  6. Download both optimized models as glb file or in other formats.
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