Revision control
++ # Blender 5.1.0
++ # www.blender.org
++ #
++ # Copyright (C) 2024 The Qt Company Ltd.,
++ # SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++ mtllib plane_prb_opacity.mtl
++ o Plane
++ v -100.000031 -70.710678 70.710640
++ v 99.999969 -70.710678 70.710716
++ v -99.999969 70.710678 -70.710716
++ v 100.000031 70.710678 -70.710640
++ vn -0.0000 0.7071 0.7071
++ vt 0.000000 0.000000
++ vt 1.000000 0.000000
++ vt 1.000000 1.000000
++ vt 0.000000 1.000000
++ s 0
++ usemtl Material.001
++ f 1/1/1 2/2/1 4/3/1 3/4/1