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The Filler is a machine added in version 1.6.5 to fill whole areas with blocks. It needs to be placed in front of a landmark to fill the area the landmarks are describing. (See the landmark page for how to use landmarks). It needs to be powered by a stirling engine or above. Fillers consume power (up to 100MJ/t in increments of 25MJ/block) whether they are activated or not.


Ink Sac

Dandelion Yellow

Gold Gear


Crafting Table


Ink Sac

Dandelion Yellow

Gold Gear



  • 2 x Dandelion Yellow
  • 2 x Ink sacs
  • 1 x Landmark
  • 1 x Chest
  • 1 x Crafting Table
  • 2 x Gold Gears

Produces: 1 x Filler

see: Crafting Guide

Video Tutorial[]


Filler - Buildcraft In Less Than 90 Seconds


Filler interface

Right-clicking on a filler brings up the filler interface. The top 3x3 area is for a filler pattern, and the resources area is where you place the materials to build with. There are 6 patterns that can be used. Patterns are made by placing Bricks and/or Glass in the top 3x3 area. When there is a valid pattern in the filler, the pattern icon will be visible in the small space in the top of the interface, and on the sides of the filler. The lights on top of the filler will also have turned green.

Filler with a valid pattern

A filler will fill in water blocks, but will not fill in lava or oil blocks at all. Sand or gravel can be used in the filler to fill in lava or oil, due to gravity affecting them.

When the filler has finished its task, the lights will turn red again to indicate that it is finished. To start it working again on the same area, just remove and replace one of the bricks or glass from the pattern. A pickaxe is needed to retrieve a filler once placed.

Filler Patterns[]

Fill pattern: Fills the area with blocks

'Fill' pattern for a Filler.

Clear pattern: Removes all blocks in the area.

'Clear' pattern for a Filler.

Stair pattern: Creates a staircase with 1 block high steps.

'Stair' pattern for a Filler.

Box pattern: Walls, ceiling and floor.

'Box' pattern for a Filler.

Pyramid pattern: Creates a pyramid inside the area.

'Pyramid' pattern for a Filler.

! NOTE ! In 1.7.2 + filler patterns are not needed

Note: clearing areas using the Flatten or Clear patterns

version - 3.3.x: Clearing is done bottom layer to top layer. Items dropped can be collected

version 3.4.x+: Clearing is done from top to bottom layer, items cannot be picked up in the first 1/2 second and vanish after a further half second. This change was made to stop the filler being used as a cheap quarry alternative. This can be disabled in the Buildcraft config file by setting the variable 'B:filler.destroy' to false.