Calcifer
by its_Total
Calcifer adds calcite block variants for building and decorating: slabs, stairs, a brick set and a polished set, all in the calcite style.
What it does
The mod supplies new calcite block variants, grouped into slab and stair shapes, a calcite brick set and a polished calcite set. Each variant is placeable, so calcite can be used for walls, floors, roofs and trim in the same palette without mixing in other stone types. Players building in calcite-heavy areas get the matching shapes they would otherwise need to craft by hand from full blocks.
The mod is a Fabric decoration pack for 1.20.1 – 1.20.6, with six release versions and 1.2.0 as the latest file for 1.20.6. It runs on the client and the server, so a server owner and every player who joins need it installed. Calcifer is released under All rights reserved, which means it is not open source.
Key features
Calcite slabs and stairs
Slab and stair shapes in calcite let builders vary roof lines, steps and half-height trim.
Calcite brick set
A brick block set in calcite gives walls and paths a patterned finish that matches the base stone.
Polished calcite set
A polished calcite set adds smooth blocks for clean surfaces, floors and decorative edges.
Matched block variants
The variants share one calcite look, so pieces from the different sets sit together in the same build.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Use cases
Building in calcite
Builders who use calcite as a main material can pick slabs, stairs and bricks without crafting each shape from full blocks.
Who it’s for: Builders and decorators on Fabric who want more calcite shapes for houses, roads, interiors and landscaped spaces. Server owners who host a building or creative world can add it to share the same block set with every player.
How it compares
Calcite Variants is a Fabric mod for 1.21.11 – 26.3 that is open source under the MIT License, so it covers newer game versions than Calcifer. VerticalSlabs is a Fabric mod for 1.20.1 only, not open source, and focuses on vertical slabs rather than a full calcite set. Thats Whats Missing covers the same 1.20.1 – 1.20.6 range on Fabric, but is licensed as All rights reserved and is not open source.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| Calcifer | Fabric | 1.20.1 – 1.20.6 | Client and server | 2025-06-17 |
| Calcite Variants | Fabric | 1.21.11 – 26.3 | Client and server | 2026-09-20 |
| VerticalSlabs | Fabric | 1.20.1 | Client and server | 2023-09-17 |
| Thats Whats Missing | Fabric | 1.20.1 – 1.20.6 | Client and server | 2024-09-21 |
Questions
Does Calcifer need Fabric API?
Does the server need Calcifer?
Which game versions does Calcifer support?
In the catalog
Calcifer is one of 12,078 Decoration mods on ModsFinder, and one of 6,982 Decoration mods for Fabric. 11,154 mods support Minecraft 1.20.6.
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What the author says
## Overview - Adds slabs and stairs for calcite - Adds calcite brick set - Adds polished calcite set
Official listing
- Modrinth page
- modrinth.com/mod/calcifer
- Owner
- its_Total
- Published
- 2025-06-17
- Updated on Modrinth
- 2025-06-17
- Facts verified
- 2026-10-15