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Mods & ToolsDiorama

Diorama Mod Ray-Traces Your World Into a Live 3D Diorama Map

Fabric mod draws an angled, updating voxel model with correct overhangs, shadows and cave slices using the chunk data your client already owns.

2 min read

Diorama, released yesterday, renders your loaded world as a 50° tilted voxel diorama in a corner minimap and a pannable fullscreen map. It updates live as you build because it only rebakes the tiles an edit can affect.

Each pixel is produced by a ray that walks the actual blocks in the chunk data your client already has. The fixed north-and-down camera therefore shows correct overhangs, bridges and tree canopies. A second ray aimed at a low sun casts long shadows; further rays measure sky visibility so ground under cover darkens while higher ground stays slightly brighter.

Underground the map switches to a cave slice revealing the first open space below a horizontal cut a few blocks above your head, lit by the game’s own block light. Servers that broadcast Xaero’s fair-play code (§f§a§i§r§x§a§e§r§o) can restrict the slice to blocks you have had line of sight to.

Practical Features

  • Minimap with compass, coordinates and biome; = and – keys zoom it
  • Fullscreen map (M key) you can drag to pan and scroll to zoom out to roughly 10 000 blocks across
  • Radar showing players and mobs as their own face in red/yellow/green frames plus above/below markers
  • Waypoints that appear both on the map and as world labels; automatic death marker; share via chat with [Add] links for Xaero compatibility
  • Saved map data per world and dimension in .minecraft/diorama so explored areas persist across sessions
  • Overlays for chunk grid, singleplayer slime chunks and monster spawn spots

The mod was inspired by a custom angled map made for the HallowPrison server. It is MIT-licensed, with full source on GitHub, so anyone can modify or port it.

Download the Fabric jar for 26.3 or 1.21.11 from CurseForge today; Modrinth review is still pending. The one current limitation is Fabric-only support. Hit M, explore the settings button on the full map, and your world immediately looks like a detailed tabletop model.

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