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Piston Range Display

See how far the piston can move blocks

Fabric
Loaders
Fabric
Downloads on Modrinth
131
Followers on Modrinth
0
version
1
Updated
February 15, 2026Feb 15
Published
in 2026
boxes · swipe

At a glance

Runs on Fabric
For Minecraft 1.21.1
Client only — no need to install it on the server
Latest version — 1.0.0 from February 15, 2026
License MIT — free
Where it's needed
In gamerequiredOn servernot needed

Install in the game only; not needed on the server

Game versions1.21.1

🛠️ PistonRangeDisplay

PistonRangeDisplay is a lightweight, high-performance client-side tool for technical Minecraft players and redstone engineers that lets you see, how long your piston can push blocks.

🌟 Key Features:

  • 📏 Visual Range: Instantly see the 12-block push limit of any piston.

💾 Persistent Memory:

  • The mod "remembers" pistons you've encountered. No more vanishing lines when you walk away!

⚡ High Performance:

  • Built with optimization in mind. Uses smart caching to keep your FPS high.

🎨 Fully Customizable:

  • Change colors, transparency, and render modes on the fly.

🎮 Modes & Usage

  • Look Mode (onlyOnLook): Shows the range only for the piston you are currently looking at. Perfect for quick checks!

  • All Mode: Displays all pistons stored in the local cache. Great for mapping out entire machines.

Render Styles:

  • Boxes: Classic 3D boxes for every block in the push range.

  • Lines: Minimalist "laser" beams for maximum performance and clarity.

⌨️ Commands & Controls

  • Default Key: [-] (Minus) - Opens the configuration menu.

  • /piston color - Quickly set your favorite highlight color (e.g., #FF5500).

  • /piston find - Scans the area for pistons.

  • ⚠️ Note: Large values may cause temporary freezes! ⚠️
  • if you have a weak computer, better not type a radius more than 64

  • /piston analyze - Get a technical report of pistons in your memory.

  • /piston cashclear - Wipe the memory and start fresh.

🔧 Technical Info

  • Platform: Fabric

  • Version: 1.21.1

📥 Installation

  • Install Fabric 1.21.1

  • Install Fabric API 1.21.1

  • Install the mod

  • Drop the jar into your /mods/ folder.

  • Enjoy building your redstone masterpieces! 🚀

FAQ

How to install Piston Range Display?

Install Fabric for your Minecraft version, download Piston Range Display for the same version and loader, put the file into the mods folder and launch the game with the loader profile.

Which Minecraft versions does Piston Range Display support?

Piston Range Display has builds for Minecraft 1.21.1.

Is Piston Range Display needed on the server?

Client only — no need to install it on the server

License and source
MIT Licensefree to use and share with credit to the author
Original — Modrinth↗Files unchanged, verified with SHA-512Is this your mod? For rights holders

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