Cinema 4D Program Documentation Reference Cinema 4D Basic Features Mesh Menu
Function available in CINEMA 4D Prime, Visualize, Broadcast, Studio & BodyPaint 3D

Untriangulate

Options Tool

Untriangulate

If a given object is only made up of triangles (e.g., an object exported by another application or you called up the Triangulate command), Cinema 4D can, in consideration of numerous parameters, convert these triangles back to quads or n-gons.