Reminds me of https://nadia.xyz/jhanas https://nadia.xyz/jhanas I can get psychdelic vision at will being sober (OEVs), mainly looking at grass (with other ima

Reminds me of https://nadia.xyz/jhanas https://nadia.xyz/jhanas I can get psychdelic vision at will being sober (OEVs), mainly looking at grass (with other images it's more difficult). It's produced by sustained attention. It doesn't come with any other psychdelic effect, so it doesn't seem too valuable.