--- title: "Modifiers" url: "https://help.maxon.net/c4d/en-us/Content/html/TOOLSCULPTBRUSHFILL-MDATA_SCULPTBRUSH_MODIFIER_GROUP.html" section_path: "Sculpting > Sculpt Menu > Brush > Fill > Modifiers" element_id: "TOOLSCULPTBRUSHFILL" group_id: "MDATA_SCULPTBRUSH_MODIFIER_GROUP" description: "Modifiers can be used to supplement the effect of several brushes. For example, a Smoothing effect can be added to the Knife (as shown above)." --- ## Modifiers ### Enable Modifiers Parameter ID: `MDATA_SCULPTBRUSH_MODIFIER_ENABLE` ![Image: 038039.jpg](https://help.maxon.net/c4d/en-us/Content/Resources/Images/038039.jpg)\ Examples with and without modifiers. Modifiers can be used to supplement the effect of several brushes. For example, a **Smooth**ing effect can be added to the **Knife** (as shown above). ### Smooth/Strength This enables a mesh function that works as described under [Smooth](https://help.maxon.net/c4d/en-us/Content/html/TOOLSCULPTBRUSHRELAX.html.md). The **Strength** value can be used to adjust the function steplessly. Tip:The Grab brush only offers the **Smooth** modifier. ### Pull/Strength This option enables the Pull function described under [Draw](https://help.maxon.net/c4d/en-us/Content/html/TOOLSCULPTBRUSHPULL.html.md). The **Strength** value can be used to adjust the function steplessly. ### Pinch/Strength This option enables a pinching effect that works in the direction of the brush’s center, perpendicular to the direction of the stroke, as described under [Pinch](https://help.maxon.net/c4d/en-us/Content/html/TOOLSCULPTBRUSHPINCH.html.md). The **Strength** value can be used to adjust the function steplessly. ### Inflate/Strength This option enables a function whose effect works in the direction of the Normals, as described under [Inflate](https://help.maxon.net/c4d/en-us/Content/html/TOOLSCULPTBRUSHINFLATE.html.md). The **Strength** value can be used to adjust the function steplessly.