Sinus, but the opposite. KD2D built it as a cursed and vanilla like pack. It asks for potato-tier hardware at minimum and works with Iris or OptiFine on Minecraft 1.21 – 1.21.7. Licensed MIT, so the download is mirrored right here on MineSpecs — no ads, no redirects.

How to install Cosinus Shader

1. 1Install a shader loader for Minecraft 1.21 – 1.21.7 — Iris (pairs with Sodium) or OptiFine. Cosinus Shader is a shaderpack, so it needs a loader to run.
2. 2Download the Cosinus Shader .zip from the button above — keep it zipped. It is mirrored on MineSpecs, so there is no ad-gate or redirect.
3. 3Drop the .zip into your .minecraft/shaderpacks folder (%appdata%\.minecraft\shaderpacks on Windows, ~/Library/Application Support/minecraft/shaderpacks on macOS).
4. 4Launch the game, open Options → Video Settings → Shaders, and select Cosinus Shader.

First time? How to install Minecraft shaders

Performance & what to expect

Cosinus Shader is rated potato performance impact. It is the lightest tier in the catalogue — it runs on integrated graphics and older laptops. The look is cursed and vanilla like.

More cursed shaders

ImprovedVanillaLightingPotato impact · by BobJeff1435PommeMedium impact · by WonshtrumPosterizationShaderMedium impact · by sasiaandersRed And Black ShadersLow impact · by ThatGuyTukHologram ShaderPotato impact · by NiblanPsiho shaderHigh impact · by Beginnercodinggamer228

Cosinus Shader is created by KD2D and mirrored here under its MIT licence. MineSpecs is an unofficial fan project and is not affiliated with KD2D, Mojang Studios or Microsoft.