Affect Region
Follow this tutorial on how to use the affect region modifier in 3ds Max!
Affect Region
The Affect Region modifier lets you form a bulge or indentation in the surface of an object, using a sherical fall-off region that influences nearby vertices. It works similarly to Soft Selection, giving you gradual deformation rather than a hard edge.
Parameters of the Affect Region
Sets the radius of affected vertices, in units, from the base of the gizmo arrow.
When on, affects only those vertices whose face normals are in the same general direction as the gizmo arrow. When off, all vertices within the Falloff range are affected.
You can change the following parameters to edit your model: Falloff Ignore Back Facing Pinch Bubble
Affects the tangency of the curve where it meets the gizmo arrow tip. Positive values produce a pointed tip while negative values produce a dimple.
Changes the curvature of the affected vertices. A value of 1.0 produces a half-dome. As you reduce this value, the sides of the dome slope more steeply. Negative values lower the base of the curve below the base of the arrow gizmo.
Step 1: Create a Plane and Box
Create a box in the viewport
Create a plane in the viewport
Input these parameters
Input these parameters
Should look like this!
Should look like this!
Step 2
Step 2: Add Affect Region Modifier to Box
Change the parameters to these:
It should now look like this!
Navigate to the modifiers tab.
Search for the Affect Region Modifier
Cool Tip: You can hold down the left mouse button and drag up and down to change the values!
It should now look like this!
Step 2
Step 3: Add Affect Region Modifier to Plane
Change the parameters to these:
It should now look like this!
Navigate to the modifiers tab.
Search for the Affect Region Modifier
Cool Tip: You can hold down the left mouse button and drag up and down to change the values!
It should now look like this!
Step 2
Test Your Knowledge
Test Your Knowledge
Test Your Knowledge
Test Your Knowledge
Congrats!!
You Now know how to navigate the Affect Region Modifier!
Affect Region Modifier
melissa heath
Created on November 7, 2025
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Transcript
Affect Region
Follow this tutorial on how to use the affect region modifier in 3ds Max!
Affect Region
The Affect Region modifier lets you form a bulge or indentation in the surface of an object, using a sherical fall-off region that influences nearby vertices. It works similarly to Soft Selection, giving you gradual deformation rather than a hard edge.
Parameters of the Affect Region
Sets the radius of affected vertices, in units, from the base of the gizmo arrow.
When on, affects only those vertices whose face normals are in the same general direction as the gizmo arrow. When off, all vertices within the Falloff range are affected.
You can change the following parameters to edit your model: Falloff Ignore Back Facing Pinch Bubble
Affects the tangency of the curve where it meets the gizmo arrow tip. Positive values produce a pointed tip while negative values produce a dimple.
Changes the curvature of the affected vertices. A value of 1.0 produces a half-dome. As you reduce this value, the sides of the dome slope more steeply. Negative values lower the base of the curve below the base of the arrow gizmo.
Step 1: Create a Plane and Box
Create a box in the viewport
Create a plane in the viewport
Input these parameters
Input these parameters
Should look like this!
Should look like this!
Step 2
Step 2: Add Affect Region Modifier to Box
Change the parameters to these:
It should now look like this!
Navigate to the modifiers tab.
Search for the Affect Region Modifier
Cool Tip: You can hold down the left mouse button and drag up and down to change the values!
It should now look like this!
Step 2
Step 3: Add Affect Region Modifier to Plane
Change the parameters to these:
It should now look like this!
Navigate to the modifiers tab.
Search for the Affect Region Modifier
Cool Tip: You can hold down the left mouse button and drag up and down to change the values!
It should now look like this!
Step 2
Test Your Knowledge
Test Your Knowledge
Test Your Knowledge
Test Your Knowledge
Congrats!!
You Now know how to navigate the Affect Region Modifier!