Reviewing a 3D model usually means a trade-off. Lightweight web viewers load fast but render materials so poorly that surfaces read as flat plastic, while a full render is accurate but too slow to iterate against. We closed that gap on both sides. The desktop application renders with physically based materials, image-based lighting, and post-processing, and a head tracking module follows the viewer's head through the webcam and continuously adjusts the camera projection to match. Lean left and you see around the left side of the object; move closer and the perspective opens up. The screen stops behaving like a flat image and starts behaving like a window onto something physically present.
View Impact
A desktop viewer for GLTF and OBJ models combining two things that are usually separate: physically based rendering that holds up on metal, glass, and fabric, and a head tracking module that gives real depth by tying the camera to where the viewer actually is. Alongside it, full 360-degree orbit inspection, live material and colourway switching, and multiple HDRI environments for natural, office, or studio light.
Realistic materials and interactive speed already pull against each other, and head tracking tightens that further: the projection has to update every frame against a moving head, so any lag or jitter breaks the illusion instantly and reads as the model wobbling. All of it had to hold a smooth frame rate on high-polygon models, using an ordinary webcam and workstation rather than dedicated tracking or render hardware.
We used Electron to reach desktop-class GPU power rather than accept browser limits, and built a custom Three.js renderer with image-based lighting, advanced shadows, and post-processing. For the window effect we track head position from the webcam and drive an off-axis projection, rebuilding an asymmetric view frustum each frame so the scene stays anchored in the world rather than to the screen, with smoothing on the tracked position and a sensitivity control so users can tune how strongly the view responds.
A packaged application for Windows and macOS with a drop-and-preview workflow: load a file and inspect it from every angle in seconds, under any lighting environment, without touching a render pipeline. Head tracking runs on the built-in webcam with no calibration step, so the depth effect is there the moment the app opens, and reviews that previously waited on a render pass now happen live in the room.
View Impact
A desktop viewer for GLTF and OBJ models combining two things that are usually separate: physically based rendering that holds up on metal, glass, and fabric, and a head tracking module that gives real depth by tying the camera to where the viewer actually is. Alongside it, full 360-degree orbit inspection, live material and colourway switching, and multiple HDRI environments for natural, office, or studio light.
Realistic materials and interactive speed already pull against each other, and head tracking tightens that further: the projection has to update every frame against a moving head, so any lag or jitter breaks the illusion instantly and reads as the model wobbling. All of it had to hold a smooth frame rate on high-polygon models, using an ordinary webcam and workstation rather than dedicated tracking or render hardware.
We used Electron to reach desktop-class GPU power rather than accept browser limits, and built a custom Three.js renderer with image-based lighting, advanced shadows, and post-processing. For the window effect we track head position from the webcam and drive an off-axis projection, rebuilding an asymmetric view frustum each frame so the scene stays anchored in the world rather than to the screen, with smoothing on the tracked position and a sensitivity control so users can tune how strongly the view responds.
A packaged application for Windows and macOS with a drop-and-preview workflow: load a file and inspect it from every angle in seconds, under any lighting environment, without touching a render pipeline. Head tracking runs on the built-in webcam with no calibration step, so the depth effect is there the moment the app opens, and reviews that previously waited on a render pass now happen live in the room.
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