How to View Pachycephalosaurus in 3D
Pachycephalosaurus 3D Viewer runs a Late Cretaceous Pachycephalosaurus - the largest known dome-headed dinosaur - in your browser. Drag to rotate, scroll or pinch to zoom, toggle a 1.8 m person for scale, and click a body part (including the thick bony skull dome) for a fossil-sourced fact.
Open the Pachycephalosaurus page and take the camera
Open the Pachycephalosaurus 3D Viewer and wait for the facts panel to fill. When the status line says you can drag, orbit the Pachycephalosaurus with the pointer and zoom with the scroll wheel or a two-finger pinch. Fullscreen expands the wrapper so the controls stay visible beside the scene.
Use the four Pachycephalosaurus controls under the canvas
Under the Pachycephalosaurus canvas, four controls handle view and scale:
- Fullscreen - fills the display while keeping the buttons visible
- Stop rotation / Auto-rotate - freezes or resumes auto-spin
- Idle motion - adds subtle breathing and leg sway; tap again for Stand still
- Size vs human - shows a 1.8 m person at the honest length ratio used by the viewer (about 4.5 m; Britannica cites up to roughly 5 m)
Read the Pachycephalosaurus facts panel and click the skull dome
The Pachycephalosaurus facts panel lists length about 4.5 m (Britannica cites up to roughly 5 m; Size vs human uses 4.5 m), weight about 370-450 kg, a skull dome up to about 22 cm thick (roughly 20 times thicker than most other dinosaurs' skull roofs), the 70-66 Mya Late Cretaceous window (Maastrichtian) in what is now Montana, South Dakota, Wyoming, and Alberta, and naming history - Charles W. Gilmore named the type species P. wyomingensis in 1931 first as a species of Troodon; Barnum Brown and Erich Maren Schlaikjer erected the genus Pachycephalosaurus in 1943. The dome's function is debated (head-on ramming, flank-butting, or display), and diet is uncertain (mostly plants from ridged teeth, with limited omnivory debated). A short click - not a drag - on the skull dome, head, arm, tail, or leg surfaces a short fossil fact; click empty space to return to the species sheet. Skin color is an artistic reconstruction; the model is procedural with conical teeth and no free-licensed Pachycephalosaurus glTF re-hosted yet.
What the Pachycephalosaurus how-to guide is not
The Pachycephalosaurus how-to guide is a controls walkthrough for the in-browser viewer only - it does not place the model in your room (no AR), does not claim soft-tissue or color accuracy, does not invent one precise length or weight beyond the cited ranges, does not claim the dome's function or diet is settled, does not invent a glTF credit, and does not invent game score or win states. For the size story see Pachycephalosaurus size comparison. For trade-offs versus phone AR apps see Pachycephalosaurus 3D viewer vs AR apps.
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