It’s time to work with the Retopology modifier. In this case I’m using the Adaptive mode with a Edge length of 0.8 cm to get a relatively uniform result.
The goal of the Subdivide modifier is to re-mesh the geometry and remove all those long, thin triangulated faces that can complicate the retopology process. The bigger the number, the bigger the triangles generated by the modifier. The Variable Density parameter controls the amount of refinement in those areas.Īll the subdivide modes have a parameter called Size, for the Subdivide and Delaunay modes, and Edge length, for the >Adaptive and Variable curvature, that controls the target dimension of the elements: the Size parameter in this case specifies the face length, instead of the edge length. Variable curvature, similar results to the Adaptive, with greater refinement in areas with high surface curvature (like sharp corners).Adaptive, similar to the previous two, but less dependent upon the input mesh (the re-meshing process is not constrained too much by the original topology).Delaunay, creates a relatively uniform mesh, with control on preserving mesh data like UVs and sharp edges, and an option to relax unconstrained surfaces (to get a more relaxed topology).Subdivide, it is considered a legacy solver and has limited settings.The Subdivide modifier has multiple modes you can choose from: Now let’s add a Subdivide modifier to create a more useful topology for the Retopology modifier. Most of the time this kind of geometries are imported in 3ds Max with a heavily triangulated topology, as you can see from the image below: In this case, I’ll use it to remesh an asset coming from a CAD software, like SolidWorks. These retopology tools were also used in one of our previous articles about the 3ds Max 2022 Modeling Improvements. Retopology can be used in various situations, from cleaning up an asset created with photogrammetry to remeshing a geometry downloaded online with a bad topology. Smooth recomputes the Smoothing Groups, before or after the retopology.
Slice & Symmetry, useful to cut the mesh and work only a smaller part that can be mirrored once the retopology is done.ProOptimize reduces the number of polygons before computing the retopology.Mesh Cleaner, particularly useful to check the mesh for possible errors, before moving to the retopology process.Depending on the complexity of the geometry, you may need to use some of these modifiers to help the Retopology tool better understand how the object is made. 3ds Max has additional modifiers that are quite useful when preparing the object for the retopology.
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