annotated.
← Index

Spline

3D design tool in the browser with real-time collaboration

Spline is a web-based 3D design application that enables collaborative modeling and animation directly in the browser.

Dark interfacesProduct showcases
Visit site ↗
Spline desktop screenshot

Notes 3 of 9

  1. typography

    Large geometric sans-serif headings using Geist with tight tracking, transitioning from solid white to muted grey for typographic hierarchy.

  2. layout

    Dark-mode application interface showcasing a multi-pane layout with rounded containers, subtle borders, and a centered prompt input.

  3. detail

    Interactive bounding box highlights and live agent tags simulate real-time collaborative editing directly on canvas elements.

Spline full page screenshot
Full page
Spline mobile screenshot
Mobile
Category
developer tool
Theme
dark
Built with
Next.js
Added
Oct 19, 2026
Primary typeface
sans-serif
Palette preview
Language
en
Design credit
Not listed
Tagged dark · minimal · saas · developer toolPublished