Kiln
KilnSell design assets under licenses that hold.
Kiln is a managed marketplace platform for digital creative assets — UI kits, templates, icons, illustrations, mockups, graphics — sold under license tiers and delivered by entitlement-gated download. Designer onboarding, split payments, gated payouts, refunds that revoke, and moderation baked in.
Designers selling on Formfield, the live demo
Built for every player in your marketplace
Three surfaces on one codebase — buyers, designers, and operators each get their own.
For buyers
A beautiful shopping experience
- Search with typeahead, format & license filters
- Tier comparison, previews & favourites
- Secure Stripe checkout
- Instant download to a library, with a license certificate
For designers
A studio, not a spreadsheet
- Self-serve Stripe onboarding
- Archives inspected, versioned & delivered
- License tiers, sales log & refunds
- Downloads, revenue & payout ledger
The money
splits itself.
Set your commission once and every license sale is a Stripe destination charge: the buyer pays, the platform keeps its fee, the designer's share lands in their own account. No code. No manual work. No spreadsheets.
Payout breakdown
- Buyer pays
- CHF 48.00
- Commercial license · the demo catalog's median tier price
- Platform fee — 10%
- −CHF 4.80
- Designer receives
- CHF 43.20
Nothing else is charged — the fee is taken on the license price only, and the buyer's download is unlocked the moment the payment settles. Funds arrive on Stripe's standard payout schedule.
Digital delivery, done right.
The split is right
Fee and share are computed by pure code and hold on every order row: subtotal equals fee plus share. The money suites are unchanged from the physical-goods engine.
Entitlement-gated delivery
Every asset byte reaches a buyer only through a signed, short-lived URL minted after an entitlement check. One module signs; a grep gate proves no second path exists.
Refunds revoke
A full refund or a lost dispute revokes the license inside the same transaction that projects the money; a partial refund keeps access. Tested against the webhook projections.
The spine stands alone
Discovery, studios, licensing display and moderation never import entitlements, the gate or the library. A seam guard test enforces the list on every run.
AI drafts, the designer's files set the facts.
Every AI feature proposes; a person clicks to accept. Nothing is written without a human — nothing is invented, and nothing can't be traced back.
Human in control
AI proposes. You decide. You click. We save.
Built on trust
Grounded, validated, and never writes to your data.

21 AI features. 3 surfaces. 1 platform.
Click any feature to see how it runs on Formfield, the demo marketplace.
For Designers
9 featuresFor Buyers
7 featuresFor Operators
5 features21
AI features
3
Surfaces
2
AI providers
The three pillars of trust
1. The Fence
AI proposes, a human clicks.
No AI feature writes to the database. Drafts, chips, proposals only — you click to make it real.
2. Honesty
Grounded, never invented.
Only what's visible or provided. No guessing, no made-up facts — stubs instead of speculation.
3. Trust Boundaries
Validated in, validated out.
Model output re-validated, uploads ownership-checked, other people's text fenced as data.
AI providers
Claude Opus 5
Generative & agentic features
text-embedding-3-small
Embeddings & semantic search
Same rules. Every surface. Every time. Because trust isn't a feature — it's the foundation. Bring your own keys; without them every AI affordance disappears and the marketplace runs identically.

Formfield — the live demo, running on Kiln. Browse it →
Everything buyers expect.
Everything operators need.
Your marketplace. Your brand.
Our rails.
Spin up a marketplace for design assets, make your first license sale, and scale with confidence.





