Mod - CurseForge
Diagonal Windows
Now windows are connecting diagonally, too?! This is getting out of hand!
Source-provided project description. FreeMinecraftMods keeps creator credit and adds separate compatibility and decision guidance below.
Project overview
          Diagonal Windows is a simple mod: Now all types of glass panes and iron bars are able to connect diagonally! So what are you waiting for? Let's get building! Blocks added by other mods are dynamically supported whenever possible. Blocks that are affected unintentionally can be prevented from being so by adding them to the diagonalwindows:non_diagonal_windows block tag. Check out the two other projects from the diagonal blocks mod family: Diagonal Fences and Diagonal Walls . ⏩ INSTALLATION REQUIRED ON CLIENT & REQUIRED ON SERVER ⏩ REQUIRES PUZZLES LIB TO BE INSTALLED (FABRIC & NEOFORGE) ⏩ REQUIRES FABRIC API TO BE INSTALLED (FABRIC) ⏩ REQUIRES FORGE CONFIG API PORT TO BE INSTALLED (FABRIC) If available for a mod, configuration is possible directly from in-game using the mod menu (requires Mod Menu by Prospector to be installed on Fabric). Please note that on older Minecraft versions installing Forge Config Screens is also a requirement. For manual configuration using an external text editor all files are found at .minecraft/config , named as MOD_ID-client.toml , MOD_ID-common.toml , or MOD_ID-server.toml , depending on the type of config. Not all types might exist for a mod, if any at all. 🌟 Thanks a lot to XFactHD for contributing the diagonal model transformation code and helping out during development in general! 🌟 Thanks to Magneticflux and their Diagonal Panes mod for serving as an inspiration.               
FreeMinecraftMods decision guide
This mod is most relevant to players looking for Utility & QoL on Fabric, NeoForge, Forge. Treat those labels as discovery hints, then verify the exact file and dependency list on the official project page.
The source record was updated on Jun 18, 2026, which is a recent freshness signal. A recent date does not guarantee support for every loader or Minecraft version, so still inspect the current file list.
What to verify before choosing a file
- Confirm that the file is published by the credited creator on the linked official source.
- Match the Minecraft version exactly instead of relying only on a broad category label.
- Read dependencies, incompatibilities, and changelog notes before updating an existing instance.
- Match the loader or server platform and its required version. Forge and NeoForge are not interchangeable.
- Back up worlds and configuration files before testing the project in a long-term save or public server.
Compatibility at a glance
Minecraft versions in this snapshot: 26.2, 26.1, 26.1.1, 26.1.2, 1.21.11, 1.21.10, 1.21.9, 1.21.8, 1.21.7, 1.21.6, 1.21.5, 1.21.4
Loaders and platforms: Fabric, NeoForge, Forge
Before you install
Match the exact Minecraft version and loader, install every required dependency, and test in a separate profile before opening an important world. Keep a backup before changing a working mod list.
Source, licensing, and corrections
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