Is there any addon that makes topology from CAD software better?

[Richard_Culver]

Quad Remesher auto-retopologizer

Quad Remesher — an auto-retopologizer from the developer of ZBrush ZRemesher — is available for Blender, following 3ds Max, Maya and Modo. Quad Remesher is available for each OS that runs Blender: Windows, macOS and Linux (since December 2020). [Quad%20Remesher%20auto-retopologizer] This thread was initiated several months before Quad Remesher was released for Blender, so only later posts were written after the release, starting with this post. ——————— Ab…

But you will have to still do some by hand.