Hologram Workshop

Hold a 3D scan in your bare hands.

Scan something with your phone, then grab it, turn it, measure it and take it apart, all in the browser.

✋ Gesture demo ◈ Platform 🎮 Games (1–2 players) 🎯 Practice your hands

No install. Works with a mouse too. The camera stays on your device.

The scanned sample chair drawn as a glowing blue hologram

The real scanned chair · drag to turn

What you can do

One gesture for each job

Every pose means one thing, everywhere on the site. Each card shows the move; Try it opens the page where it works.

Aim

Point your index finger and curl the other three. The ring follows your fingertip.

Try it →Gesture demo

Click

Aim, then pinch your other hand. Whatever you aimed at lights up.

Try it →Gesture demo

Grab

Make a fist to grab, then move or twist. Open your hand to let go.

Try it →Gesture demo

Tilt

Hold a fist with one hand, then raise or lower the other. The front edge tips.

Try it →Gesture demo

Scale

Pinch with both hands, then spread them apart or bring them together to resize.

Try it →Gesture demo

Explode

Spread two open hands apart. The parts separate so you can pick one.

Try it →Gesture demo

Clap to reset

Clap once to put everything back. Changed your mind? Undo brings it back.

Try it →Gesture demo

Tool wheel

Hold ✌ for a moment and a wheel of tools opens. Aim at one, pinch to pick.

Try it →Gesture demo · Platform

Undo

Hold ✌ and pick ↑ Undo on the tool wheel, or press U / Ctrl+Z. A thumbs-down shortcut is coming.

Try it →Gesture soon

Tape measure

Aim at the model, click point A, then click point B. The model holds still and the real-world distance shows as you aim.

Try it →Gesture demo

Polygon lens

See the mesh under the lens; hide or mark faces. Pinch-hold and move up or down to resize it.

Try it →Platform

Library ring

Your saved scenes float in a ring. Fist-drag to spin it; aim and pinch to open one.

Try it →Platform

Pins

Pin a piece you've placed. A stray fist can't move it until you unpin it.

Try it →Platform

Upload your own scan

Drop in a scan from Scaniverse or Polycam (GLB, glTF, OBJ, PLY). It never leaves your browser.

Try it →Platform

Scan completion

Fills in what the scanner missed, like a chair's underside. Filled-in surfaces are always marked as inferred.

How it works →Offline tool

Photo → 3D

Add a photo for a flat preview now; the offline tool turns it into 3D, marked 100% inferred.

Try it →Platform

Everything to try

Pages and what is on them

Gesture demo

A hologram you move with your bare hands: point, grab, tilt, scale, explode, clap. A 3D hand mirrors yours, the ✌ tool wheel holds the tools, and the tape measures real sizes. 13 objects to switch between.

Open →

Platform

Your own scans as holograms: a Library ring, grab / twist / resize by hand, pins, the polygon lens, and filled-in surfaces marked as inferred. It remembers where you left off.

Open →

Games

Light painting, Rebuild the chair, Block tower and Marble maze. One player, or two taking turns on one camera.

Play →

Practice your hands

A short calibration fits the pointer to your reach, then Selection practice scores how well each click method works for you.

Practice →

Hand tracking view

The raw view: the camera with your 21 hand points and what the tracker thinks each hand is doing.

Open →

Model viewer

The original viewer: the scanned chair as a hologram, turned with the mouse. Where the project started.

Open →

Before you start

What you need

  • 📷 A webcamThe built-in laptop camera is fine. Good light in front of you helps.
  • 🌐 Chrome, Edge or SafariOn a laptop or desktop. A recent version of each works.
  • 🖱 Or just a mouseEvery gesture has a mouse or key alternative: drag to turn, scroll to zoom.

Private by design. Hand tracking runs inside your browser. No video, photo or scan leaves your device, and there are no accounts, ads or analytics.