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Artificial Intelligence October 3, 2026 · 13 min read

I Made Spider-Man Swing Without Animating a Single Frame

Hello, I'm Maneshwar, and I'm building LiveReview — a blast-radius aware AI code review built for...

I Made Spider-Man Swing Without Animating a Single Frame

Hello, I'm Maneshwar, and I'm building LiveReview — a blast-radius aware AI code review built for your business-critical systems. Star us to help devs discover the project, give it a try, and share your feedback to help improve the product.

He drops in on a web, lands a superhero crouch, fires a web off screen, and yanks a giant DEV board into frame.

This post is the story of how that happened, and the surprising amount of computer science hiding inside a "simple" 3D character.

My first stop was HyperFrames, which lets you write a video as HTML and render it out.

Text that slides in, logos that pop, charts that draw themselves, all of that is lovely.

So the next question was obvious, if a little scary: what do actual animators use?

It connects Blender to an LLM client like Claude Code, so instead of hunting through 400 menus, you say "load this model and relink its textures" and it happens.

An MCP server outside Blender speaks the Model Context Protocol to the LLM on one side, and forwards JSON commands down that socket on the other.

The most powerful tool it exposes is executeblendercode, which runs arbitrary Python inside Blender through bpy, Blender's Python API.

The agent changes something, grabs the viewport, looks at it, and decides what to fix next.

That is the same edit, run, inspect loop you use on code, just pointed at a 3D scene.

One honest warning: that tool is arbitrary code execution by design. Treat it like you would treat any local automation with a shell, and do not point it at a machine full of secrets.

So I grabbed a ready made Miles Morales model, the Spider-Verse Spider-Man, from Sketchfab.

The file came with four copies of Miles standing in a row: masked and unmasked, posed and T-posed.

The textures pointed at the original author's Windows folders, like C:\Users\someone\Desktop\..., so the agent had to relink them to the files in the zip.

The fix was to disconnect those slots, at the cost of some surface detail on the suit.

Then I opened the unmasked Miles and his face looked like a horror movie, covered in white lines and dots.

That model ships with a 143 bone face rig (eyelids, brows, lips, jaw, cheeks, even a tongue), and the armature was set to "draw in front", so every one of those bones was painted on top of his skin.

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