Optiboxes Mod (1.21.10, 1.21.1) – OptiFine-Compatible Sky System

Optiboxes Mod is a mod that enables the use of custom skyboxes within resource packs, redefining how the sky appears in-game. It uses the same file format as OptiFine, ensuring full compatibility with existing OptiFine skybox packs while adding layered customization options for advanced visual effects.

Features:

• Allows defining skyboxes in resource packs to modify the in-game sky.
• Fully compatible with OptiFine skybox formats and resource packs.
• Supports multi-layered skyboxes for combined visual effects.
• Customizable options for blend modes, axis rotation, and animation speed.
• Skyboxes can display dynamically at different heights and conditions.
• Provides seamless 3D sky rendering using six-directional stitched textures.

Screenshots:

Optiboxes Mod Download Links

For Minecraft 1.21.10, 1.21.9

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.21.8, 1.21.7, 1.21.6

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.21.5

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.21.4

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.21.3, 1.21.2

Fabric version: Download from Server 1 – Download from Server 2

For Minecraft 1.21.1, 1.21

Fabric version: Download from Server 1 – Download from Server 2