I am quite drawn to Gurdjieff's map/model of a thoroughly 'materialistic' universe. It seems much more encompassing than the usual materialistic notions.

https://goat777.medium.com/from-the-gross-to-the-subtle-d89f49018b9d

When all is said and done, why shouldn't food, breathable air and sensory impressions, all just be different refinements of material along a scale?