How to Build Your Own Spline
Replace Spline with a custom build. The all-in-one platform for 3D and design
Build Difficulty: 5/5
Build a working replacement in a weekend with AI tools
Estimated Timeline
Based on 56 features at Weekend Project difficulty, expect about One weekend with AI-assisted development.
Recommended Tech Stack
Full-stack React framework with API routes and server components
PostgreSQL database, auth, and real-time subscriptions
Utility-first styling for rapid UI development
Key Features to Replicate
Top features across 8 categories. See all 56 features
Export(12 features)
Export interactive experiences to Android
Generate native apps for Apple and Android
Export designs as code
Export 3D models in GLTF format with color and texture information
Export images at higher resolution
+7 more in this category
Design Tools(9 features)
Web-based collaborative 3D design platform with familiar design tools for creating production-ready interactive 3D experiences
Tools for 3D primitive shapes and 3D modeling
Color and stroke styling tools
Frames and automatic layout tools for design
Web-based collaborative design tool for creating production-ready interactive 2D experiences
+4 more in this category
AI(5 features)
Generate 3D models using AI
Generate images using AI
Apply AI style transfer to designs
Generate textures using AI
AI-powered features including 3D generation, texture generation, and style transfer
Collaboration(4 features)
Track and manage file version history
Organize multiple teams with team privacy
Create and collaborate in real-time with comments, team invites, and link sharing
Unlimited viewers for collaborative designs
Data Integration(3 features)
Unlimited variables, API integrations, and webhooks
Bring real-time data into experiences with Variables, Webhooks, APIs and AI
Store variables locally
Support(3 features)
Custom onboarding and training for enterprise teams
Legal and security onboarding support
Priority customer support
Animation(2 features)
Add interactivity and animation with Spline's powerful event system
Timeline-based animation tools
Interactivity(2 features)
Game control system for interactive experiences
Event system for creating interactive experiences
Cost Calculator
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Build It Yourself
Total Cost Comparison
DIY hosting estimate based on Vercel + Supabase free/pro tiers (~$20/mo). Build time estimated from 56 features at very easy complexity.