I Combined Midjourney + After Effects for Insane 3D Screen Replacements

I Combined Midjourney + After Effects for Insane 3D Screen Replacements

Lines To Designs 50.2K subscribers
4.1K views · 2025-10-14 Motion Design
🎓 My course, The AI Assistant Editor: https://tinyurl.com/L2DCourse

🎬 1-on-1 Coaching With ME 👉 https://linestodesigns.com/dan-has-notes In this video, I’ll show you how to make your VFX composites come to LIFE by combining AI image generation, motion tracking, and 3D compositing all inside After Effects.

We’ll go step-by-step using:
• Boris FX Mocha for perspective motion tracking
• Midjourney for generating a custom AI monster
• Photoshop Generative Expand for cleanup
• Runway Gen-4 (or Hailuo/Kling) for image-to-video animation
• After Effects for final keying, masking, and 3D depth setup

By the end, you’ll know how to build your own hybrid AI + After Effects workflow that brings any scene to life—no matter how crazy the concept.

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⌚️Timestamps:

00:00 Intro
00:06 The Problem with Cheap Screen Replacements
00:26 Motion Tracking in After Effects with Mocha
01:27 Designing the AI Monster in Midjourney
01:43 Extending Edges in Photoshop (Generative Expand)
02:46 Preparing for Image-to-Video Animation
03:52 Animating in Runway
04:50 Bringing Everything Back to After Effects
06:26 Keying & Tracking Composite
07:21 Adding 3D Depth & Foreground Masks
08:42 Creating Realistic Shadows
10:04 Tracking the Mask for Realism
10:26 Using Act One for AI-Driven Lip Sync
11:26 Final Results & Outro

#vfxtutorials #aftereffects #aitools

[Learn how to create realistic screen replacements in After Effects using Boris FX Mocha for perspective motion tracking, Photoshop Generative Expand, Keylight green screen keying, and AI image-to-video animation with Runway Gen-4 (or Hail/Kling). Dan from Lines to Designs walks through a full VFX compositing workflow: tracking a phone screen in Mocha Pro, generating a custom Midjourney monster, cleaning edges in Photoshop, animating the character in Runway, then compositing back in After Effects with 3D depth, foreground masking, drop shadows, parallax, and transform-based exports to avoid skew. Perfect for creators seeking an AI + After Effects pipeline for screen replacement, motion tracking, and cinematic VFX. ]