Stack Upgrade Tier 1

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sophisticatedbackpacks:stack_upgrade_tier_1

Recipes and uses come from the FTB Skies 2: Aero 1.10.0 dump: the server's final recipes after all pack scripts ran.

Last verified for FTB Skies 2: Aero v1.10.0 on Sep 22, 2026 · v1.10.0 released Sep 8, 2026

In FTB Skies 2: Aero, Stack Upgrade Tier 1 is made with shaped crafting, from Stack Upgrade Tier 2, any leather, and any string. Stack Upgrade Tier 1 has 3 recipes in FTB Skies 2: Aero in all. Stack Upgrade Tier 1 is an ingredient in 2 FTB Skies 2: Aero recipes. 1 FTB Skies 2: Aero quest asks for Stack Upgrade Tier 1.

How do you craft Stack Upgrade Tier 1 in FTB Skies 2: Aero?

Stack Upgrade Tier 1Mod recipe

Crafting Shaped

Crafting Shaped
any string	Stack Upgrade Tier 2	any string
Stack Upgrade Tier 2	any leather	Stack Upgrade Tier 2
any string	Empty slot	any string

Recipe id: sophisticatedstorage:backpack_stack_upgrade_tier_1_from_storage_stack_upgrade_tier_2

Stack Upgrade Tier 1Changed by the pack

Crafting Shaped

Crafting Shaped
Iron Block	Iron Block	Iron Block
Iron Block	Upgrade Base	Iron Block
Iron Block	Iron Block	Iron Block

Recipe id: sophisticatedbackpacks:stack_upgrade_tier_1

Stack Upgrade Tier 1Changed by the pack

Crafting Shaped

Crafting Shaped
Empty slot	Iron Block	Empty slot
Iron Block	Stack Upgrade Starter Tier	Iron Block
Empty slot	Iron Block	Empty slot

Recipe id: sophisticatedbackpacks:stack_upgrade_tier_1_from_starter

How to make it, from scratch

Everything this needs, and everything those need, as FTB Skies 2: Aero crafts them. Work from the bottom up.

Stack Upgrade Tier 1Shaped crafting
- Iron BlockShaped crafting
  - Red CoalResonator (excessive_utilities)
    - Coal(any coal)Shapeless crafting
      - Coal Blockkeep going from this item →
  - Gold BlockShaped crafting
    - Diamond BlockShaped crafting
      - Emerald Blockkeep going from this item →
- Upgrade BaseShaped crafting
  - Iron IngotShapeless crafting
    - Generalized Overworld Predictionnothing makes this, so find or mine it
    - Rotten FleshShapeless crafting
      - Zombie Heartkeep going from this item →
  - Leather(any leather)Shapeless crafting
    - Hogskinnothing makes this, so find or mine it
  - String(any string)Shapeless crafting
    - Cheliceraenothing makes this, so find or mine it

What is Stack Upgrade Tier 1 used for in FTB Skies 2: Aero?

3× Stack Upgrade Tier 2Mod recipe

Crafting Shaped

Crafting Shaped
any plank	Stack Upgrade Tier 1	any plank
Empty slot	any plank	Empty slot
any plank	Empty slot	any plank

Recipe id: sophisticatedstorage:storage_stack_upgrade_tier_2_from_backpack_stack_upgrade_tier_1

Stack Upgrade Tier 2Changed by the pack

Crafting Shaped

Crafting Shaped
Gold Block	Gold Block	Gold Block
Gold Block	Stack Upgrade Tier 1	Gold Block
Gold Block	Gold Block	Gold Block

Recipe id: sophisticatedbackpacks:stack_upgrade_tier_2

Which FTB Skies 2: Aero quests ask for Stack Upgrade Tier 1?

Stack Upgrades in General Storage

Everything else FTB Skies 2: Aero changed about Sophisticated Backpacks →

Tags

sophisticatedbackpacks:upgrade

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Used to make

Read the Sophisticated Backpacks guide for FTB Skies 2: Aero

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