Decimation preserving seams - Modeling - Blender Artists Community
modeling - Is there an unsubdivide function in Blender? - Blender Stack Exchange
Decimate Modifier — Blender Manual
Can anyone explain why this doesn't unsubdivide in edit mode. Im a noob but thought by applying transformations there would be less faces in edit mode : r/blender
ArtStation - Subdivide / Unsubdivide addon for Blender | Resources