CAD tip # 10102:

Question

CAD
% platform category

How to simplify a complex 3D mesh model?

You received a too complex and detailed 3D model as a surface mesh and now you need to simplify it before using it for 3D printing, 3D rendering or converting it to a solid 3D CAD model.

An ideal tool for processing very large 3D mesh models is Autodesk Memento (Autodesk Labs, memento.autodesk.com). This free (status: 1/2015) application allows to simplify (decimate) a model without changing its shape, to solve topology problems (holes, overlaps, spikes), to retopologize (re-mesh) the model, set its scale, 3D print it and perform other operations.

You can import 3D mesh models in the formats STL, PLY, OBJ and RCM. Processed meshes can be exported to the formats OBJ, FBX, STL, RCP, PLY.

MementoMax

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19.11.2014 19410×

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3ds Max

applies to: Memento · 3ds Max ·

See also:
Tip 14075:	Overview of CAD formats supported in Inventor 2025 (import/export/AnyCAD).
Tip 14072:	How to import an STL, OBJ or 3DS file to an AutoCAD 3D model?
Tip 13817:	Cannot type decimal number in the transformation field in Autodesk Meshmixer (e.g. Scale).
Tip 13800:	Visually compare 3D geometry in CAD and BIM files.
Tip 13402:	Which products and features can I use for free with Flex Token licensing?

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