http://www.graphics.cornell.edu/online/box/data.html
Several Cornell Box files
Cycles.blend modified from https://developer.blender.org/F156817
Cycles_denoiser.blend modified from https://github.com/wahn/export_multi/tree/master/00_cornell_box/blend
LuxRender.blend created from Cycles.blend
CornellBox_by_wahn.pbrt modified from https://www.janwalter.org/download/