Krbn logo

Krbn

A web engine for pencil-style rendering of 3D scenes to SVG — exact silhouettes, hidden-line ghosting, hatching. Great for abstract and technical scenes.

GitHub

What is it?

What it is

**I call it "Carbon", with the vowels sketched out.** A web engine for non-photorealistic,

Why it exists

A web engine for pencil-style rendering of 3D scenes to SVG — exact silhouettes, hidden-line ghosting, hatching. Great for abstract and technical scenes.

Who should use it

Teams building with TypeScript who want an open-source, self-hosted option.

Who should avoid it

Teams that need a fully managed SaaS with enterprise SLAs out of the box.

How it works

A quick walkthrough in plain English

How Krbn works

Step 1 of 3

You interact with it

Open Krbn, send a request, or connect it to your stack.

Features

**Analytic primitives** — sphere, ellipsoid, cylinder, cone, plane, polygon,
**Free-form curves** — helices, Bézier curves (carried exactly as control
**Triangle meshes** — arbitrary organic geometry renders through the _same_
**Exact hidden lines** — every contour is split into visible and hidden runs, the
**Intersection curves** — where two surfaces meet (a ball through a plane, two
**Suggestive contours** — the extra "form lines" an artist adds where a surface
**Hatching & tone** — single / cross / triple cross-hatch, shaded **light→dark**
**Curvature-following hatch** — hatch that flows along a surface's own direction

Advantages

  • Open source (MIT)
  • Active TypeScript ecosystem
  • Self-hosted deployment options

Disadvantages

  • Requires operational ownership for self-hosted setups
  • Community support varies by project maturity

Installation

native

bun run bench:bvh          # reproduce the sweep (--quick skips the real models)

FAQ

What is Krbn?

Krbn is an open-source project licensed under MIT.

What language is Krbn built with?

Primary language: TypeScript.

Is it free to use?

Yes. Licensed under MIT. Check the license for commercial use.

Loading documentation…
View on GitHub

Featured in Videos

YouTube tutorials and walkthroughs for Krbn

Alternatives

Similar projects ranked by category, topics, and text overlap.

Compare
Krbn | MushyBook