Materials CoronaLegacyMtl
In versions of CoronaRender 9 and below CoronaLegacyMtl=CoronaMtl

CoronaLegacyMtl requires a version of Corona Renderer at least 1.5, since the cards are designed to use PBR
The interior project is made and presented with the simplest techniques so that you can use it This case has no protection. You can reuse scenes, rendering settings, lights, materials, but most importantly you can learn from the file, scroll through the project, see how the light is created and how it works, how the material is produced , The role that each texture plays, and the values that fill each option. The plugins used in the project are placed in the map file — 3dsmax 2016 — Corona 8