Hi astroboii, HDRI is not just for Maya... HDRI stands for "High Dynamic Range Images"... you can get some more information about HDRI on this site from RenderMania... --> https://www.rendermania.com/HDRI/index.shtml on 3d-Palace they have a Maya HDRI tutorial, in their video tutorail section... --> https://www.3d-palace.com/modules.php...torial&sortby= some of the things in the video tutorial are also mentioned on this site... --> https://www.edharriss.com/tutorials/t...inxsi_eng.html the tool "HDRI2XSI" that is used in the video, can be downloaded on this site... --> https://www.edharriss.com/xsi/tools/tools.htm you can also get a bit more information here... "Faking HDRI in Maya"... --> https://www.3dluvr.com/pixho/tutorial...HDRI_index.htm "HDRI The Cheap And Nasty Way "... --> https://www.andrew-whitehurst.net/hdri_tut.html "Image Based Illumination - High Dynamic Range Imagery"... --> https://www.accad.ohio-state.edu/~bst...6/ibi_hdr.html how it specific works I don't know, I'm a newbie and haven't tried this things yet... but maybe some of the others can tell some more about it... :-) regards Strarup