The Molecular Reassembler is an electric Slimefun machine.

The Molecular Reassembler is able to create new, special materials from raw ones.
Place items in the correct pattern of a recipe in the input slots. After processing, the crafted item will be placed in the output slot.
| Energy buffer | 19,200 J |
| Processing time | 4s |
| Energy consumption (Towny) | 4800 J per operation |
| Energy consumption (Nations) | 800 J per operation |
Recipe patterns are ordered top to bottom in the input slots, exactly as shown below.
| Input | Output |
|
Kelp Glowstone Dust Kelp |
Prismarine Crystal |
|
Kelp Stone Chunk Kelp |
Prismarine Shard |
|
Cobblestone Bone Block Gravel |
8 Sand |
| Concrete | |
|
White Concrete Powder White Concrete Powder White Concrete Powder |
6 White Concrete |
|
Orange Concrete Powder Orange Concrete Powder Orange Concrete Powder |
6 Orange Concrete |
|
Magenta Concrete Powder Magenta Concrete Powder Magenta Concrete Powder |
6 Magenta Concrete |
|
Light Blue Concrete Powder Light Blue Concrete Powder Light Blue Concrete Powder |
6 Light Blue Concrete |
|
Yellow Concrete Powder Yellow Concrete Powder Yellow Concrete Powder |
6 Yellow Concrete |
|
Lime Concrete Powder Lime Concrete Powder Lime Concrete Powder |
6 Lime Concrete |
|
Pink Concrete Powder Pink Concrete Powder Pink Concrete Powder |
6 Pink Concrete |
|
Gray Concrete Powder Gray Concrete Powder Gray Concrete Powder |
6 Gray Concrete |
|
Light Gray Concrete Powder Light Gray Concrete Powder Light Gray Concrete Powder |
6 Light Gray Concrete |
|
Cyan Concrete Powder Cyan Concrete Powder Cyan Concrete Powder |
6 Cyan Concrete |
|
Purple Concrete Powder Purple Concrete Powder Purple Concrete Powder |
6 Purple Concrete |
|
Blue Concrete Powder Blue Concrete Powder Blue Concrete Powder |
6 Blue Concrete |
|
Brown Concrete Powder Brown Concrete Powder Brown Concrete Powder |
6 Brown Concrete |
|
Green Concrete Powder Green Concrete Powder Green Concrete Powder |
6 Green Concrete |
|
Red Concrete Powder Red Concrete Powder Red Concrete Powder |
6 Red Concrete |
|
Black Concrete Powder Black Concrete Powder Black Concrete Powder |
6 Black Concrete |
Note: Recommended to use the Igneous Processor for Sand instead.