The product you can’t carry into the room: why I built DITTO

Some products can’t come to the meeting.

They are too big to ship, too expensive to risk, too sensitive to leave the building, or not finished yet. So the sales team brings what fits in a laptop bag: a slide deck, a brochure, a video. The buyer watches. Nobody gets to pick the thing up, turn it over and look closely at the part they actually care about.

I have spent most of my career on that exact problem.

Where I come from

I started in interactive media and game development and grew into a senior Unity engineer and XR systems architect. The work that followed was mostly the same request in different forms: help a buyer understand a product they can’t touch.

That meant touchscreen kiosks with digital twins for trade show floors. Installations for executive briefing centers, where a company walks its most important customers through what it builds. Interactive exhibits for national touring exhibitions. Along the way I worked with organizations including Boeing, NASA, L3Harris, Honeywell, T-Mobile, MD Anderson Cancer Center and the U.S. Air Force, and contributed to systems recognized by the Telly Awards.

What the work taught me

After enough kiosks, the same lessons kept showing up.

People want to drive. Hand someone a model they can spin and zoom, and they stop sitting through the pitch and start asking better questions.

A hotspot beats a paragraph. A label on the exact part, with a photo, a short video or a spec sheet behind it, explains more than a page of copy next to a picture.

It has to feel like the company’s own. Their logo, their colors, their fonts. The moment it looks like a generic viewer, it stops feeling like their product.

The gap I kept running into

Every one of those projects was custom. That is the right answer for a flagship booth or a briefing center, but it is a real project with a real budget, and most companies never get one.

Meanwhile, plenty of companies already have a 3D model of their product sitting in an engineering folder. The hard part is done. It just never makes it in front of a buyer, and it rarely makes it onto the company’s own website, where buyers can find it any day of the year instead of only at a show.

So we built DITTO

DITTO by Grey State Development takes the 3D model a company already has and turns it into a branded, clickable 3D tour for its own website. No developer, no project plan.

You upload a GLB file (up to 25 MB) and build the tour in your browser:

  • Up to 50 hotspots, each with text, photos, video, documents or links
  • Your logo, colors and fonts
  • A choice of rooms to present it in
  • One embed code to put it on your site
The DITTO builder on the Hotspots step: four hotspots on a generator set, each with a name label, and the hotspot list beside it.
Building a tour in the browser. Halvorn Power and its generator are a fictional concept product.

It runs on Unity WebGL, the same engine Grey State uses for its kiosk and digital twin work, so it is the same craft in a form anyone can use. Building is free. A published tour is $4,000 a year or $1,150 every three months, plus tax, and includes 25,000 3D loads a month.

A finished DITTO tour embedded on a web page, with numbered hotspots on a 3D generator and one label open
A finished tour, embedded on a page. Concept product.

The landing page has four concept demos to click through. The products and companies in them are fictional, made up to show what a finished tour can look like.

A visitor opens a hotspot and a side panel explains the generator's cooling louvres
Tap a hotspot and the details open right next to the part. Concept product.

Who it’s for

If you sell something that is hard to explain and harder to bring along, and you already have a 3D model of it, DITTO is for you. It is built for the marketing and innovation teams who want what a kiosk does for a buyer without commissioning a custom build.

My own portfolio on this site is a 3D space with hotspots for the same reason: showing the work beats describing it.

See DITTO and build your first tour for free: greystatedevelopment.com/ditto

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