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In this step-by-step Blender tutorial series I'll take you through the entire process of modeling and texturing a combat knife game asset in Blender. In the first part of this series we'll be creating the high poly model of the knife that we'll later use for baking normal maps onto a low poly game-ready model.
This tutorial will teach you a lot of different hard surface modeling techniques and modeling tools including beveling, subsurf modeling, and non-destructive modifier methods.
In the second part of this step-by-step game modeling series I'll walk you through taking our low poly knife model and UV unwrapping it in Blender. You'll learn how to specify how objects are unwrapped by manually adding seams to edges, how to modify and work with UVs, and how to look for UV stretching to make sure your textures will be applied without distortion.
In the third part of this step-by-step game modeling series I'll show you how to bake a normal map for the knife using Blender. Whether you want to use this knife inside Blender or export it for a game engine like Unity or Unreal, I'll show you how to make sure your model and its normal map look right in all other software.
Learn the steps for baking the normal map in 32-bit to avoid the color banding that the default 8-bit bakes produce. Then we'll save the normal map as a 16-bit png file. This avoids color banding and gives you high quality normal map files. These files can then be converted to 8-bit in software like photoshop and instead of color banding the final result will have dithering instead, which looks much nicer than the banding.
In the 4th and final part of this step-by-step game asset series we'll be using Substance Painter to texture our combat knife. You can download the project files below including the final blend and substance files.
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