Needle vs. three.js vs. Sketchfab

See how Needle, three.js, and Sketchfab compare across key features and capabilities for usage on the web and creating XR experiences for designers, developers and teams.

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Web-first runtime integrated with Unity and Blender plugins, complemented by Needle Cloud for optimization and hosting.
Needle
Low-level JavaScript library for creating 3D graphics directly in the browser using WebGL.
three.js
Leading online platform for publishing, sharing, discovering, and embedding 3D/VR/AR models, featuring a high-quality universal web viewer.
Sketchfab
Core Platform & Workflow
Solution Type
3D Engine
Cloud Platform
Authoring Tool
Optimization Tool
Web Component
Needle
Solution Type: 3d-engine, cloud-platform, authoring-tool, optimization-tool, web-component
A comprehensive suite including a runtime engine, cloud services for optimization/hosting, authoring via Unity/Blender plugins, and embeddable web component output.
3D Engine
three.js
Solution Type: 3d-engine
A foundational JavaScript library providing tools to draw 3D scenes using WebGL.
Cloud Platform
Sketchfab
Solution Type: cloud-platform
A platform focused on hosting, discovering, and viewing 3D assets, providing an embeddable viewer.
Made for the web
Needle
Made for the web: Yes
Built from the ground up for the web, focusing on fast loading, efficient rendering, and cross-platform web deployment.
three.js
Made for the web: Yes
A foundational technology designed specifically for creating 3D graphics on the web.
Sketchfab
Made for the web: Yes
The platform automatically processes and optimizes uploaded models for efficient web viewing.
Typical Workflows
Unity Editor
Blender Editor
Code
HTML
Asset Upload
Needle
Typical Workflows: Unity Editor, Blender Editor, Code, HTML, Asset Upload
Primary workflow involves using Unity or Blender as the authoring environment, exporting scenes and logic. Custom scripts (TypeScript/JavaScript) extend functionality.
Code
three.js
Typical Workflows: Code
Development is code-centric, writing JavaScript to define scenes, materials, and interactions.
Asset Upload
Sketchfab
Typical Workflows: Asset Upload
Users upload pre-made models and configure viewer settings (materials, lighting, annotations).
Use with Unity
Needle
Use with Unity: Yes
Deep integration with Unity Editor via dedicated plugin, allowing export of scenes, C# scripts (transpiled), materials (Shader Graph), animations, and components.
three.js
Use with Unity: No
No direct integration. Solutions like Needle make integrating with three.js seamless.
Sketchfab
Use with Unity: No
Consumes assets exported from various sources, including Unity.
Use with Blender
Needle
Use with Blender: Yes
Integration with Blender via addon, supporting export of scenes, materials, animations, and custom logic nodes.
three.js
Use with Blender: No
No direct integration. Assets from Blender must be exported (e.g., as glTF) and loaded.
Sketchfab
Use with Blender: Yes
Offers a Blender addon for direct uploading, and consumes exported formats.
Interactivity Building Blocks
Needle
Interactivity Building Blocks: Yes
Includes a rich set of components for common interactions, animations, and UI elements.
Limited
three.js
Interactivity Building Blocks: Limited
Three.js provides some built-in interactive components, for example loaders and camera controls, in the examples folder, but they require additional development to be used.
Sketchfab
Interactivity Building Blocks: No
Provides annotation system and basic interaction controls, but not a component system for custom behaviors.
Extensible with Coding
Needle
Extensible with Coding: Yes
Uses TypeScript with full IDE support in both Unity and standalone projects.
three.js
Extensible with Coding: Yes
Uses JavaScript or TypeScript for all implementation, giving full control but requiring manual coding.
Sketchfab
Extensible with Coding: No
Viewer API allows some programmatic control, but not full scripting of custom behaviors inside the viewer.
Engine Capabilities
Physically-Based Rendering
Needle
Physically-Based Rendering: Yes
Supports Physically Based Rendering (PBR), custom shaders (via Unity Shader Graph export), lighting, and post-processing effects.
three.js
Physically-Based Rendering: Yes
Supports PBR materials, various shadow types, post-processing effects, and gives fine-grained rendering control.
Limited
Sketchfab
Physically-Based Rendering: Limited
High-quality PBR rendering, customizable lighting, environments, post-processing effects, and material editor within the platform. No script control over rendering order, shadows, and so on. No in-scene lights.
Component System
Needle
Component System: Yes
Leverages the component-based architecture of Unity/Blender, extended with custom web-specific components.
three.js
Component System: No
Does not enforce an ECS architecture, though one can be implemented on top.
Sketchfab
Component System: No
Internal viewer architecture.
Built-in Networking
Needle
Built-in Networking: Yes
Built-in real-time networking for multiplayer and collaborative applications.
three.js
Built-in Networking: No
Networking capabilities must be added using external libraries.
Sketchfab
Built-in Networking: No
Doesn't support multi-user experiences.
Timelines and Sequencing
Needle
Timelines and Sequencing: Yes
Supports timeline-based sequencing, complex animations, animator state machines, blending, and more.
three.js
Timelines and Sequencing: No
Basic animation system exists, but no built-in timeline or sequencing system.
Sketchfab
Timelines and Sequencing: No
Can play animations embedded in models but has no sequencing or timeline system.
Animation Controls
Needle
Animation Controls: Yes
Supports complex animations authored in Unity (Animator, Timeline) or Blender and exports them for the web.
three.js
Animation Controls: Yes
Provides core functionalities for keyframe animation playback and morph targets.
Sketchfab
Animation Controls: Yes
Plays animations embedded in the uploaded models.
Animated Materials
Needle
Animated Materials: Yes
Supports material animations, shader graph, and procedural material effects.
three.js
Animated Materials: No
Supports material animation through code, but not for imported assets.
Sketchfab
Animated Materials: No
Supports animated textures in uploaded models but no custom material animation creation.
Audio Playback
Needle
Audio Playback: Yes
Supports spatial audio configured via Unity/Blender components.
three.js
Audio Playback: Yes
Includes support for positional audio using the Web Audio API.
Sketchfab
Audio Playback: No
Sketchfab used to support embedded audio in the past, but doesn't support it anymore.
Video Playback
Needle
Video Playback: Yes
Supports video textures and playback controlled via components.
three.js
Video Playback: Yes
Supports using HTML video elements as textures.
Sketchfab
Video Playback: No
Focuses on static and animated 3D models.
Physics Integration
Needle
Physics Integration: Yes
Integrates with physics engines, configured via Unity/Blender components.
three.js
Physics Integration: No
Requires integration with external physics libraries like Rapier, Cannon.js, or Ammo.js.
Sketchfab
Physics Integration: No
Focuses on asset display, not physics simulation.
glTF 3D Support
Excellent
Needle
glTF 3D Support: Excellent
Uses glTF as its core runtime format and supports import of various formats (FBX, USD, VRM etc.) which are converted.
three.js
glTF 3D Support: Yes
Provides robust support for loading and interacting with the glTF 2.0 standard, but some extensions like material animations or physics are missing.
Sketchfab
glTF 3D Support: Yes
glTF is the preferred format; platform automatically converts many other formats to optimized glTF for viewing.
Custom User Interfaces
Needle
Custom User Interfaces: Yes
Facilitates creation of UI using standard HTML/CSS and frontend frameworks, integrated with the 3D scene.
three.js
Custom User Interfaces: No
UI creation typically involves integrating with HTML/DOM elements or using external UI libraries, no built-in support in three.js.
Sketchfab
Custom User Interfaces: No
Provides the standard viewer UI (controls, annotations) with slight customization options.
Web Integration & Deployment
Web Component
Needle
Web Component: Yes
Exports projects as standard web components (<needle-engine> tag) for easy embedding into any HTML page or web application.
three.js
Web Component: No
It's a library, not a web component.
Sketchfab
Web Component: Yes
Provides iframe/oEmbed code for easy embedding, functioning like a web component.
PWA Support
Needle
PWA Support: Yes
Being web-native, Needle Engine projects can be easily included in Progressive Web Apps for offline capabilities and installation.
three.js
PWA Support: No
As a JavaScript library, it can be used within Progressive Web Apps but provides no PWA features itself.
Sketchfab
PWA Support: No
Embeds work in PWAs; viewer can be used within Progressive Web Apps.
HTML/CSS Integration
Excellent
Needle
HTML/CSS Integration: Excellent
Designed to seamlessly integrate with HTML, CSS, and frontend frameworks (React, Vue, Svelte etc.), allowing blending of 2D UI and 3D content.
three.js
HTML/CSS Integration: Yes
Integrates with standard HTML/JavaScript workflows, allowing rendering into a canvas element.
Sketchfab
HTML/CSS Integration: No
Can be embedded in other websites, but can't easily combine web UI and the Sketchfab viewer
Host Anywhere
Needle
Host Anywhere: Yes
The core runtime can be self-hosted on any static server. Needle Cloud features (optimization, hosting, analytics) require the cloud service.
three.js
Host Anywhere: Yes
Applications can typically be hosted on static web servers.
Sketchfab
Host Anywhere: No
Models and viewer are hosted on Sketchfab's platform.
Asset Hosting
Needle
Asset Hosting: Yes
Needle Cloud provides managed hosting and CDN delivery for optimized assets.
three.js
Asset Hosting: No
Requires external hosting for 3D models and other assets.
Sketchfab
Asset Hosting: Yes
Core function is hosting 3D models which can be accessed via API.
App Hosting
Needle
App Hosting: Yes
Needle Cloud provides managed hosting and CDN delivery for optimized applications.
three.js
App Hosting: No
Requires external hosting for the application files.
Sketchfab
App Hosting: No
Not applicable – does not support full apps.
Performance & Optimization
Engine Size
Medium
Needle
Engine Size: Medium
Optimized runtime aims for minimal footprint, size depends on included features.
Small
three.js
Engine Size: Small
The core library has a relatively small footprint, though application size depends on usage.
Medium
Sketchfab
Engine Size: Medium
The viewer code needs to be loaded.
Loading Performance
Excellent
Needle
Loading Performance: Excellent
Rapid development cycles and fast loading times through optimized runtime and asset handling.
Fast
three.js
Loading Performance: Fast
Core library loads quickly; overall application load time depends heavily on asset sizes and application structure.
Medium
Sketchfab
Loading Performance: Medium
Optimized viewer and asset delivery for quick loading. No GPU compressed formats.
Runtime Performance
Excellent
Needle
Runtime Performance: Excellent
Designed for efficient rendering performance across desktop, mobile, and XR devices.
High
three.js
Runtime Performance: High
Offers high performance potential due to its low-level access, but optimization is the developer's responsibility.
High
Sketchfab
Runtime Performance: High
Offers good rendering performance for viewing complex models. High memory usage.
Smart Asset Optimization
Excellent
Needle
Smart Asset Optimization: Excellent
Needle Cloud provides significant automated optimization: LOD generation, mesh optimization, extensive texture compression (Basis Universal, WebP, JPG, PNG) and resizing options.
three.js
Smart Asset Optimization: No
Supports optimized formats like glTF (with Draco compression, KHR texture transforms etc.), but doesn't perform automatic optimization.
Sketchfab
Smart Asset Optimization: Yes
Performs automatic mesh optimization, texture compression (including Basis Universal), and geometry processing upon upload to ensure performant viewing.
Mesh and Texture LODs
Excellent
Needle
Mesh and Texture LODs: Excellent
Supports automatic mesh simplification, level-of-detail generation and automatic texture compression with multiple quality levels.
three.js
Mesh and Texture LODs: No
Basic support for mesh LODs, no built-in system for texture LODs.
Limited
Sketchfab
Mesh and Texture LODs: Limited
Automatically generates texture LODs for viewing of models. Does not create mehs LODs or GPU-compressed textures.
XR Support (AR/VR/Spatial)
VR Support (WebXR)
Needle
VR Support (WebXR): Yes
Supports VR headsets via the WebXR standard.
three.js
VR Support (WebXR): Yes
Supports VR experiences through the WebXR API.
Limited
Sketchfab
VR Support (WebXR): Limited
Built-in support for viewing models in VR via WebXR; no interactivity.
AR Support (WebXR)
Needle
AR Support (WebXR): Yes
Supports markerless WebAR on compatible Android devices via the WebXR standard.
three.js
AR Support (WebXR): Yes
Supports AR experiences on compatible Android devices through the WebXR API.
Limited
Sketchfab
AR Support (WebXR): Limited
Provides an AR button for viewing on compatible Android devices (WebXR); no interactivity..
AR Support (iOS)
Needle
AR Support (iOS): Yes
Supports interactive markerless WebAR on iOS devices via WebXR.
Limited
three.js
AR Support (iOS): Limited
Limited support for static assets in QuickLook via USDZExporter.
Limited
Sketchfab
AR Support (iOS): Limited
Provides an AR button using AR Quick Look on compatible iOS devices; no interactivity.
AR Support (visionOS)
Needle
AR Support (visionOS): Yes
Explicit support for creating spatial computing experiences deployable on visionOS.
Limited
three.js
AR Support (visionOS): Limited
Limited support for static assets in QuickLook via USDZExporter.
Limited
Sketchfab
AR Support (visionOS): Limited
Only basic USDZ conversion supported, no interactivity.
AR Tracking Types
Surface
Image
Needle
AR Tracking Types: Surface, Image
Supports World Tracking via the WebXR standard on compatible devices. Image tracking is supported on iOS AR but requires a device-specific flag for Android AR.
Surface
three.js
AR Tracking Types: Surface
Primarily supports World Tracking via the WebXR API.
Surface
Sketchfab
AR Tracking Types: Surface
Supports World Tracking from inside
Ecosystem & Support
Official Support Availability
Needle
Official Support Availability: Yes
Dedicated support available for licensed users.
three.js
Official Support Availability: No
Support is primarily community-driven.
Sketchfab
Official Support Availability: Yes
Support available, especially for paid plan users.
Learning Resources
Needle
Learning Resources: Yes
Extensive documentation, tutorials, live samples, and active community support.
three.js
Learning Resources: Yes
Vast number of official examples, tutorials, books, and community resources available.
Good
Sketchfab
Learning Resources: Good
Help Center, blog, and community forums offer resources.
License
Commercial
Needle
License: Commercial
Commercial license required for full features and deployment. Free evaluation available.
Open Source
three.js
License: Open Source
Available under the permissive MIT license.
Commercial
Sketchfab
License: Commercial
Offers free and paid subscription tiers. Acquired by Epic Games.

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