Merge coplanar faces
I come from fractalforums.com because I have started to 3D print 3D fractals, and I need some 3D modeling tools in the middle of the process. I typically use Meshlab.
I've got a 5.5M faces mesh that I'd like to decimate to 1M. It's got highly tesselated large flat areas and the "Merge coplanar faces" in Hexagon is exactly what I need. I have tested it on a smaller mesh, but the big one doesn't even load (265 MB STL file)
Is there a practical limit in number of faces in Hexagon?
If yes, does anyone know a free program that can merge coplanar faces on large meshes? (Sketchup can do the job at DAE import time, but is too slow with large meshes)
I thought Meshlab would offer the option, but the closest filter is the quadric edge decimation and it's not what I want, because it can affect edges and does not necessarily optimize planar areas.