How to use the Material Separation Photoshop Plugin

Updated: 05/13/2024

Display of material separation panel

Open the Material Separation panel by selecting the [Plugin] menu -> [Live2D Cubism Material Separation] -> [Material Separation].

Alternatively, you can view it by selecting [Plugin]Panel -> [Live2D Cubism Material Separation].

The following [Material Separation] panel will appear.

How to use plugins

Specify a selection

Using Photoshop’s Select Tool or other tools, select the object you wish to separate into materials.

Cut Out

Click [Cut Out] with a selection specified to cut out the image with anti-aliasing applied, recognizing the exact shape of the target.
The cut out result is created on a separate pixel layer from the original layer (source image).
(Note: The name of the cut out layer will be “Cut Out.”)

Select

Cut out result

Since [Cut Out] by itself only separates the layers, setting the check box option improves usability.
Each function is explained below.

Crop into new group

With [Cut into new group] checked, click the [Cut] button.
A new group will then be created and the pixel layer resulting from the cropping will be stored in it.

Select

Cut out result

Create New Masked Layer

With the [Create New Masked Layer] check box selected, click [Cut Out].
The cut out result is saved as a layer mask.
If you want to modify the result, for example, you can adjust it in the layer mask.

Select

Cut out result

Precautions

If you cut out an object that is originally in contact with a transparent area with [Use layer mask] checked, there is a problem that the part that is in contact with the transparent area will protrude white. This problem will be fixed in alpha3.

Fill Cut Out Area

With the [Fill Cut Out Area] check box selected, click [Cut Out].
The cut out area will be filled out to blend in with its surroundings, creating the result as a pixel layer.

Select

Cut out result

Select

Color filled state

Expand Cut Out Area

With the [Expand Cut Out Area] check box selected, click [Cut Out].
The cut out area is expanded, and the selected object is cut out a little larger.

*This option assumes the process of cutting out a larger size and then manually carving it.
If you want to automatically crop with high precision, please use without setting this option.

Select

Normal result

Expanded result

Naming the cut out layer

Enter a string in the [Cut Out Layer Name] text field and click [Cut Out].
The cut out result will create a pixel layer and a group layer with the entered string as the layer name.

Select

Cut out result

Color Fill

Clicking [Color Fill] with a selection specified fills the selection.
The color fill result is saved in a separate pixel layer from the original layer (source image).
(Note: The name of the color filled layer will be “Color Fill.”)

[Color Fill] characteristics:

  • The effect is applied to “all pixels” within the selection.
  • A pixel layer is created on top of the original layer.

Color Fill Layer Name:

For the [Color Fill Layer Name] as well as the Cut Out Layer Name, click “Color Fill” after entering a string in the text field.
A pixel layer is created with the layer name entered.

Select

Color fill result

Select

Color filled state

Transparency Fill

Clicking [Transparency Fill] with a selection specified will fill the selected area.
The transparency fill result is saved in a separate pixel layer from the original layer.
(Note: The name of the transparency filled layer will be “Transparency Fill.”)

[Transparency Fill] characteristics:

  • The fill is applied to the “transparent area” within the selection.
  • A pixel layer is created below the original layer.

Transparency Fill Layer Name:

For the “Transparency Fill Layer Name” as well as the Cut Out Layer Name, click “Transparency Fill” after entering a string in the text field.
A pixel layer is created with the layer name entered.
(Note: The default layer name is “Transparency Fill.”)

Select

Transparency fill result

Select

Transparency filled state

Tips

Clicking [About] from the menu button in the upper-right corner of the [Material Separation] panel displays the [About] dialog box, which allows you to check whether the current processing device is a GPU or CPU.
On PCs equipped with NVIDIA (CUDA-compatible) GPUs, the processing device is the GPU, which allows for faster processing.

Precautions

If you cut out an object that is originally in contact with a transparent area with [Use layer mask] checked, there is a problem that the part that is in contact with the transparent area will protrude white. This problem will be fixed in alpha3.

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