FTB Pack Companion guide for FTB StoneBlock 4 1.1.1 to 1.21.0

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FTB Pack Companion guide for FTB StoneBlock 4

Written for FTB StoneBlock 4 1.21.0 · also fits 1.1.1 to 1.20.1 · updated Oct 16, 2026

Last verified for FTB StoneBlock 4 v1.21.0 on Oct 16, 2026 · text last changed Oct 16, 2026

A newer release (1.23.0) is out Guide for the current version

Also applies to:FTB Evolution 2 1.0.2 to 1.4.0FTB Skies 2 1.23.0 to 1.24.0FTB Skies 2: Aero 1.0.3 to 1.10.0

Sections
3

2 sections are written for this pack; 1 is shared from another pack's guide.

Every recipe and number here was checked against FTB StoneBlock 4 1.21.0's own files.

What is FTB Pack Companion?

Same as in the FTB Skies 2 1.23.0 guide

This pack ships with FTB Pack Companion version 21.1.22, using the file ftb-pack-companion-21.1.22.jar. It has been part of the pack since version 1.0.1 or earlier, so it isn't a recent addition.[1]

Unverified What FTB Pack Companion actually does in this pack could not be confirmed. No description or in-jar guidebook was available for this mod, so this page doesn't guess at its features.

How do you get started with FTB Pack Companion?

2 parts

FTB Pack Companion doesn't give you a crafting chain to follow in this pack. What the sources do show is a shaders notice, so that's the first thing to know about.[2]

The shaders prompt

This pack includes shaders, but they are disabled by default. The notice asks whether you'd like to enable them, and it warns that shaders can be performance-intensive, can cause issues with certain mods, and may not be compatible with your hardware.[2]

If you want the vibrant look, you can enable shaders from that notice. If you run into any issues, you can always disable them again later in the video settings.[2]

Tip: If your computer is on the weaker side, leave shaders off to start with. You can switch them on later in the video settings once you know how the pack runs for you.[2]

Items from this mod

The mod's language file names the Action Pad and the Structure Placer, plus a block called Player Trigger.[2]

How does FTB Pack Companion work?

3 parts

FTB Pack Companion is a small support mod for the pack. The sources here only confirm its names and a few on-screen strings, not how its machines behave, so this section stays short.[2]

What the mod adds

  • A block called Player Trigger.[2]
  • An item called Action Pad.[2]
  • An item called Structure Placer.[2]

Shader prompt

The pack includes shaders but they are disabled by default. The mod shows a notice asking whether you want to enable them, and it warns that shaders can be performance-intensive, cause issues with certain mods and may not be compatible with your hardware.[2]

If you turn shaders on and run into problems, you can disable them again later in the video settings.[2]

Menu time conditions

The mod also provides FancyMenu conditions based on your local time. One checks whether your current hour is greater than a value you set, and another checks whether it is less than that value. In both cases the value must be a number between 0 and 23, using the 24-hour format.[2]

Sources

  1. FTB Skies 2 1.23.0 mod list · pack file
  2. ftbpc names, screen text and descriptions (English lang file) · official mod data
Where this guide comes from

Written from what FTB StoneBlock 4 itself ships: its files and recipes, the in-game guidebooks and the mods' own pages. Every statement links to the source it came from, and the numbers are checked against the pack before publishing.

Guide last verified Oct 16, 2026.

Guides for other versions: 1.22.0 to 1.23.0

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