Adobe After Effects CC 2024: How To Get Inner & Outer Strokes on Shape Layers

Description:
This tutorial will show you how to change the stroke on shape layers to the inside and outside of the shape layer paths in Adobe After Effects CC 2024.

Expression Used:

content(“Ellipse 1”).content(“Stroke 1”).strokeWidth/2 (outside path)
content(“Ellipse 1”).content(“Stroke 1”).strokeWidth/-2 (inside path)

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Chapters:
00:00 Intro: About The Tutorial
00:22 Create A New Shape Layer
00:48 Strokes + Path Position
01:08 Add Offset Paths
01:52 Problem: Changing Stroke Width & Offset
02:10 Fix: Add Expression
02:42 Stroke Width = Offset Path
03:01 Divide Expression In Half
03:52 Change from Outer to Inner Stroke
04:10 Recap: Inner & Outer Strokes
04:37 Flip Inner Stroke To Outer Stroke

Software Used:
Adobe After Effects CC 2024 (Click To Try or Buy)

How To Change Stroke Position on Shape Layers to Inside or Outside Path:

  1. Create a new shape using the Shape Took (Rectangle Tool, for example)
  2. Set Fill & Stroke Color & Stroke Width (px)
  3. Click and drag out a Shape
  4. Go to Layers Panel and twirl open shape layer properties
  5. Click the arrow next to ‘Add’
  6. Select ‘Offset Paths’
  7. Change ‘Amount’ to offset the position of the path to stroke
  8. Setting the Offset Path Amount to 1/2 of the Stroke Width will place stroke on the outside
  9. Setting the Offset Path Amount to -1/2 Stroke Width will place stroke on the inside

How To Add Expression To Offset Path:

  1. Press Option or Alt Key
  2. Click on the stopwatch next to ‘Amount’
  3. Click on Expression PickWhip
  4. Drag to ‘Stroke Width’
  5. Click in the Expression Editor and add /2 at the end to place the stroke on the outside of path
  6. Click in the Expression Editor and add /-2 at the end to place the stroke on the inside of path

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