z_REMOVE_PIECES_BY_VOLUME

z_REMOVE_PIECES_BY_VOLUME

z_KEEP_ONLY_LARGEST_CONNECTED_ELEMENT

removes smaller detached objects

z_KEEP_BIGGER_OF_TWO

z_KEEP_BIGGER_OF_TWO

z_KEEP_ONLY_FIRST_LAST_PRIMS

z_KEEP_ONLY_FIRST_LAST_PRIMS

z_REMOVE_THIN_MESH

z_REMOVE_THIN_MESH