01What is Rapid Assets?
Rapid Assets is a free Unity Editor plugin that turns text prompts into production-ready images and 3D models, then imports them directly into your project. Open it via Window ▸ Rapid Assets, sign in, and generate without ever leaving Unity.
Type what you need, and finished assets land in Assets/Rapid Assets Imports/ automatically: images as textures, 3D models as GLB meshes, ready to drop into any scene. Generation runs in the Rapid Assets cloud, so your machine stays fast.
3D model in scene
Generate a 3D model and place it directly into your Unity scene. One click to import.
Live generation
Type a prompt and watch it generate live. The fire dragon rendered in the plugin, ready to import.
02How it works
The entire pipeline is designed so that you only ever do the creative part. Here's what happens from prompt to placed asset:
Describe it
What happens: you type a prompt (or pick a workflow) in the Rapid Assets window and choose Thinking or Fast mode. Why it matters: natural language replaces hours of searching. You describe exactly what your game needs, not the closest thing someone else made.
Generate in the cloud
What happens: the plugin securely sends your request to the Rapid Assets backend, where GPU generation runs. Why it matters: the heavy compute happens off your machine, so the Editor stays fast and your laptop fans stay quiet.
Stream live progress
What happens: generation status streams back in real time via server-sent events, with automatic polling as a fallback. Why it matters: you see exactly where each job is, with no guessing and no manual refreshing.
Auto-import to Assets/
What happens: the moment a job completes, the finished image or model downloads and imports into your project automatically. Why it matters: no Downloads folder, no renaming, no drag-and-drop, no manual import settings.
Use it in your game
What happens: the asset sits in Assets/Rapid Assets Imports/, optionally with a generated material, ready to drag into a scene. Why it matters: idea to in-engine asset, with zero file plumbing in between.
03Requirements: check before you install
Make sure your setup is covered before following the install steps. If you're on a supported Unity version with an internet connection, you're good to go.
| Supported Unity versions | Unity 2022 LTS and Unity 6 (6000 LTS) recommended |
|---|---|
| Supported platforms (Editor) | Windows 10/11 and macOS |
| Render pipeline support | URP, HDRP, and Built-in. Images import as textures, models as GLB; auto-materials default to URP/Lit with a Standard shader fallback |
| Dependencies | Newtonsoft JSON (bundled / standard Unity package); internet connection for cloud generation |
| Account | A free Rapid Assets account to sign in |
| Recommended hardware | Any machine that runs the Unity Editor comfortably. Generation runs in the cloud, so no high-end GPU is required locally |
| Compatibility notes | Editor HTTP requests are not subject to browser CORS; generated GLB models work across pipelines, with materials adjustable per project |
04Install the plugin, step by step
Rapid Assets Studio ships as a standard Unity package, so you add it through Unity's built-in Package Manager using its Install package from disk option. No command line, no build tools. Download the package, unzip it, and follow the four steps below.
Open the Package Manager
In the Unity Editor menu bar, go to Window ▸ Package Management ▸ Package Manager.
Install package from disk
In the Package Manager, click the + button (top-left) and choose Install package from disk…
Select package.json
Browse into the unzipped plugin folder, select the package.json file, and click Open. Unity imports the plugin automatically.
Sign in
Open Window ▸ Rapid Assets ▸ Studio and sign in with your free Rapid Assets account. The Studio panel docks like any other Unity window.
Already installed an older version? Repeat steps 1–3 and pick the new package.json; the Package Manager updates it in place. Endpoints default to Rapid Assets; change them under Project Settings ▸ Rapid Assets ▸ Studio.
05Your first asset in 60 seconds
With the plugin installed and signed in, generating your first asset takes under a minute:
Pick a project
In the Studio panel, select an existing project or create a new one. Projects keep your generations organized and sync with the web app.
Describe what you need
Type a prompt, e.g. "a stylized health potion bottle, glowing red liquid, game icon style", then choose Thinking or Fast mode, and hit Send. Progress streams back live.
Import with one click
Click Import Image (or Image + Material for a ready URP material). The asset lands in Assets/Rapid Assets Imports/. Drag it into your scene and keep building.
06Key features
Everything you need to generate, import, and use assets without leaving Unity.
Text-to-Image
Describe any image (concept art, textures, key art, UI elements) and generate it in high resolution.
Text-to-3D
Turn a prompt into a textured, game-ready GLB model that drops straight into your scene.
6 Pro Workflows
Purpose-built pipelines for turnarounds, pose sheets, background removal, variations and more.
One-Click Import
Finished assets land in Assets/ automatically: imported, refreshed, ready to use.
Auto Material Creation
Turn any generated image into a URP/Lit material instantly, wired to the base map for you.
Ping & Locate Assets
Jump straight to any imported asset in the Project window with a single click.
Real-Time Streaming
Live generation updates via server-sent events show progress in real time, with polling fallback.
Project Chat & Sessions
Organize work into projects and persistent chat sessions. Pick up exactly where you left off.
Thinking & Fast Modes
Thinking mode for richer results, Fast mode when you need speed and iteration.
07Text-to-Image generation, inside the editor
Type a description in the chat panel, pick Thinking or Fast mode, and hit Send. A high-resolution image streams back live. Click Import Image to add it to Assets/, or Image + Material to also get a ready-to-use URP material. Every image below was generated and imported this way.
Rapid Assets Studio in Unity. Generate images and import them directly into your Assets folder.
Fantasy weapons set. Multiple generations imported and visible in the Unity Assets panel instantly.
08Text-to-3D: game-ready models from a prompt
Rapid Assets generates textured 3D models from text and imports them as GLB files Unity reads natively. Describe what you need, click Import Model, and the mesh lands in Assets/Rapid Assets Imports/Models/, ready to drag into your scene.
These are the real, fully-textured GLB models, live in your browser. Click a card, then drag to orbit and scroll to zoom, exactly as they import into Unity.
Generate models like these in your own project. Free account, no card required.
09Workflow overview: six specialized pipelines
Beyond open-ended generation, Rapid Assets ships with six dedicated workflows built around the asset jobs developers and technical artists repeat constantly. Each one takes your input and produces a specific, predictable result, with no prompt engineering required. Select a workflow, describe what you want, and let the pipeline handle the rest.
1. Character Turnaround
Problem: animators and modelers need consistent multi-angle reference of a character before they can build or rig it. Solution: generate a clean turnaround sheet with front, side, and back views of any character from a single description or reference image. Benefit: a production-ready reference sheet in seconds, perfect for modeling, rigging, and style locking.
Character Turnaround: front, side, and back views of a dark wizard generated in one pass inside Unity.
2. Background Removal
Problem: character art, item icons, and store assets need clean transparent backgrounds, which normally means manual masking in an image editor. Solution: the Background Removal workflow strips the background automatically and returns a crisp cut-out with transparency. Benefit: drop-in sprites and icons with perfect alpha, ready for your UI or 2D scene.
Background removed inside the Unity plugin. A clean transparent cut-out ready for sprites and UI icons.
3. Image Variations
Problem: a single concept is rarely enough. You need options to compare and to fill out a set. Solution: Image Variations takes one image and generates multiple stylistic and compositional alternatives. Benefit: explore directions fast and build cohesive asset sets from one starting point.
Variation 1: sorceress mage in an enchanted forest, generated from one reference image.
Variation 2: same sorceress, different setting and lighting in one pass.
4. Pose Variations
Problem: sprite sheets, idle/action sets, and character showcases need the same character captured in several poses. Solution: Pose Variations generates a set of distinct poses for a single character in one pass. Benefit: build 2D pose sets and references without commissioning each pose individually.
Pose Variation 1: dark horned knight in a hero pose generated from a single reference.
Pose Variation 2: same character, dynamic combat pose with lightning in one pass.
5. Facial Pose Sheet
Problem: expressive characters need an expression sheet (happy, angry, surprised, sad) for animation, dialogue portraits, and UI. Solution: the Facial Pose Sheet workflow produces a grid of facial expressions for your character automatically. Benefit: a complete emotion set ready for a dialogue system or portrait UI, generated in one step.
Facial Pose Sheet: a 3×3 expression grid for a female elf character, generated in one step.
Works across any character. Wolf warrior expression sheet generated in one pass.
6. Pose Transfer
Problem: you have a character you like but need them in a specific pose for a scene, promo, or animation key. Solution: Pose Transfer applies a target pose to your character while preserving their identity and style. Benefit: reuse one character design across many poses without redrawing or re-modeling.
10Who uses it: real examples
Here's how Rapid Assets fits into real production at three very different scales.
Indie game development
A full pixel-art character set, generated and imported as game-ready sprites.
Weapons, shields, and items: a cohesive icon set from a single prompt.
Mobile game development
Large studio production
Also a fit for
PC Developers
Fill large worlds with custom props and key art without a marketplace bill. Prototype levels fast and lock art direction early.
Technical Artists
Automate the repetitive jobs (cut-outs, turnarounds, expression sheets) and spend your time on the high-value polish only you can do.
Tool Developers
A native Editor integration that fits your pipeline, with projects, sessions, and a predictable import folder structure to build around.
Marketing for Publishers
Generate banners, promo imagery, and consistent preview art for your existing Asset Store listings, all inside the engine you already publish from.
The plugin is one part of the full platform. Everything it does, and more, is also available on the web at rapidassets.ai, and your projects sync across both.
11Troubleshooting
The most common setup issues and their fixes:
The plugin doesn't appear under Window ▸ Rapid Assets
Check the Console for compile errors; the menu only registers once your project compiles cleanly. Confirm you selected the package.json inside the unzipped plugin folder (not the zip itself), and that you're on Unity 2021.3 LTS or newer. Re-run the install steps if needed; the Package Manager updates in place.
Sign-in fails or hangs
The Editor needs an internet connection to reach rapidassets.ai. If you're behind a corporate firewall or proxy, make sure rapidassets.ai is allowed. Then close and reopen the Studio window and try again.
A generation stays "in progress" for a long time
Live progress streams over server-sent events; some networks block long-lived connections. The plugin automatically falls back to polling, so the job will still complete, so give it a moment. If it never resolves, check your connection and re-send the prompt.
I imported an asset but can't find it
Everything lands under Assets/Rapid Assets Imports/ (with Models/ for 3D). Use the Ping button next to the generation to highlight the file in the Project window. No manual searching needed.
12Frequently asked questions
Yes, completely free to download and install. You only need a free Rapid Assets account to sign in and start generating. There's no purchase, no trial timer, and no paywall on the plugin itself.
Download the package from rapidassets.ai, open Unity's Package Manager (Window ▸ Package Management ▸ Package Manager), click + and choose "Install package from disk…", then select the package.json inside the unzipped plugin folder. Open Window ▸ Rapid Assets and sign in.
Unity 2022 LTS and Unity 6 (6000 LTS) are recommended. The plugin runs natively inside the Unity Editor on Windows 10/11 and macOS.
Yes. Generated images import as standard textures and 3D models import as GLB meshes, all of which work across URP, HDRP, and Built-in. Auto-generated materials default to URP/Lit with a Standard shader fallback.
Yes, assets are intended for use in your commercial and non-commercial Unity projects. Always review the current licensing terms on rapidassets.ai for the exact, up-to-date conditions.