
Paint Tool SAI is a popular painting application with a variety of tools that digital artists frequently use. Blending is a widely used technique in digital art to give a more three-dimensional and realistic appearance to the subject. This can be achieved in Paint Tool SAI using the blender tool, which smooths sharp lines and edges by blending them together. Artists can also use other methods such as shadows and fringe effects to create a blend. The blending level can be adjusted by changing the blender's intensity. Paint Tool SAI also has an Air Brush tool that can be used to create smooth blends by gradually mixing two colours or shades together.
| Characteristics | Values |
|---|---|
| Blending | Simplifies sharp edges and gives a three-dimensional appearance to the subject |
| Dilution | Controls opacity |
| Persistence | Controls how easily a brush shifts color from one to another |
| Air Brush Tool | Allows for the addition of lighter and darker shades |
| Brush Tool | Used to pick lighter and darker shades and blend them to create a middle tone |
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Blending settings
The blender tool is the easiest method to blend in Paint Tool SAI. It allows you to adjust the blending level by changing the blender's intensity. The intensity of the blender tool can be altered by adjusting the "Min Size" and "Density" settings. For example, a setting of "Min Size 0" and "Density 25-50" will produce a softer blend, while a higher density will result in a more intense blend.
Additionally, the Dilution and Opacity settings can be adjusted to create different effects. Dilution, or opacity mix, controls the transparency of the paint, while persistence determines how easily the brush shifts from one colour to another. A higher persistence setting will result in a slower transition between colours, allowing for more control over the blend.
Another way to create blends in Paint Tool SAI is by using the Air Brush tool. This tool allows for the gradual mixing of two colours or shades, creating smooth transitions. The size of the Air Brush can be adjusted, and the hardness of the brush can be controlled with a percentage setting. A hardness setting of 0% will create hard edges, while 100% will result in wide, blended edges.
It's important to note that blending should be treated as an effect to simplify sharp edges or forms, rather than a means to achieve specific values, hues, or saturations. Experimenting with different blending settings and playing around with their interactions will help you understand and utilise them effectively.
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Opacity mix
For example, a 0% dilution will result in the brush painting very easily onto a blank surface, whereas a brush with 100% dilution will not paint on blank parts of the layer at all. It is important to note that dilution is only affected by transparent pixels. Therefore, if the entire layer is already filled in (even with white), the dilution setting will not have any effect.
The dilution setting can be thought of as the inverse of the blending setting. As dilution approaches 100%, the colour being painted becomes less and less visible. This is because the brush will more readily inherit the colours that are already on the layer.
To achieve optimal results, it is recommended to adjust the opacity meter and set the layer's mode to define how you want the shading layer to blend with the outline layer. Common modes include multiply, shade, screen, and luminosity, which can be used to darken or brighten your drawings.
Additionally, the fringe effect can be used to blend and shade quickly. This can be done by selecting the 'paints effect' and 'fringe effect' options from the drop-down menu, which will automatically blend your design with a light layer. The opacity and width of the fringe effect can then be adjusted to alter the length and darkness of the shadows.
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Persistence settings
For example, if you draw a red line through an area of blue, the result will depend on the persistence setting. When the setting is raised, you will drag a red streak through the blue with some blending in between, as the red colour will resist the blue. If the setting is lowered, you will end up with more purple colours as the red is no longer persisting beyond the colour it is blending with.
The persistence setting is dependent on the blending settings, so having them somewhere in the middle will produce the most optimal results. If you are unsure what settings to use, a safe bet is to put them all at about 50%. This will produce fairly average results that are easy to work with, and it is simple to remember if you want to experiment with different settings.
In addition to persistence and blending settings, dilution (opacity mix) and brush texture settings can also be adjusted to create a variety of blended looks.
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Airbrush tool
Paint Tool SAI features an Air Brush tool, which is similar to the soft brush in most programs. The Air Brush tool allows you to create a blurry effect, gradually mixing two colours or shades together. You can control the size of the brush and adjust the hardness, with 0% creating a hard edge and 100% creating wide, blended edges. You can also adjust the flow to control the paint speed.
To blend colours effectively with the Air Brush tool, it is recommended to start with a sketch in black and then change it to a brown shade, as it can easily be blended with other colours during the process. Pick a lighter and a darker colour, and apply them together, creating a middle tone. You can then select this middle tone and start blending with it, gradually adding other middle tones to achieve a smooth blend.
The Air Brush tool in Paint Tool SAI can be customised to suit your preferences. For example, if you find that the tool tends to add saturation and make colours darker, you can create a new brush based on the original Air Brush tool and adjust the settings. Changing the mode from multiply to normal can help address this issue. Additionally, adjusting the smoothness and density settings can enhance the blending effect.
It is worth noting that the Air Brush tool in Paint Tool SAI works best when used with a tablet or Cintiq that has pressure sensitivity. This allows for a more natural and realistic blending experience.
Overall, the Air Brush tool in Paint Tool SAI offers a versatile option for blending colours and creating smooth transitions. With customisation options and the ability to control brush size, hardness, and flow, you can achieve a wide range of effects to suit your artistic needs.
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Brush settings
The Paint Tool SAI brush settings offer a variety of options for blending colours. The three main settings that appear under the texture in the brush tool settings are "Blending (colour blending)", "Dilution (opacity mix)", and "Persistence".
The Blending setting controls how readily the brush inherits the colours you are painting over. For example, a 0% blending setting will not pick up any existing colours, treating the layer as transparent. Conversely, a 100% blending setting will create wide, blended edges. The Dilution setting, or opacity mix, affects how much of the canvas colour remains visible. Lower pressure on the brush will result in more of the canvas colour remaining. The Persistence setting determines how easily the brush shifts from one colour to another. A higher persistence value will result in a slower transition between colours.
You can also adjust the brush size and hardness, which will impact the blended areas. Smaller brushes will add more detail, while larger brushes are necessary for creating large, smooth areas. The Air Brush tool can be used to create blurry areas that gradually mix two colours or shades together.
It is recommended to experiment with these settings to find the desired effect. A safe starting point is to set all values to around 50%, which will produce average results that are easy to work with and provide a baseline for further experimentation.
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Frequently asked questions
Paint Tool SAI has an Air Brush tool that can be used to blend colours. You can change the size of the brush and adjust the hardness, with 0% creating a hard edge and 100% creating wide blended edges. You can also adjust the flow to control the paint speed.
The settings for blending in Paint Tool SAI include "Blending (colour blending)", "Dilution (opacity mix)", and "Persistence". Persistence is dependent on the blending settings, so having them somewhere in the middle will produce optimal results.
The blender tool in Paint Tool SAI can be used to smooth out sharp lines and edges by blending them together. You can alter the blending level by changing the blender's intensity.
Yes, other methods for blending in Paint Tool SAI include using shadows and fringe effects. You can also create a blend by using a combination of light and dark colours to create middle tones and then blending those together.











































