Add GeometryViewer.com domain plugin

[PrintShaper]

New domain plugin: GeometryViewer

Site: https://geometryviewer.com
Type: Interactive 3D model viewer (iframe embed)

What is GeometryViewer?

GeometryViewer is a free, zero-install browser-based 3D model viewer. Supports STL, OBJ, GLTF, GLB, and 3MF formats. Users upload a model and share a link — the recipient can rotate, zoom, and view in AR on iPhone (Quick Look) or Android (WebXR). No account, no install required.

Share URL pattern

https://geometryviewer.com/v/TOKEN.stl
https://geometryviewer.com/v/TOKEN.obj
https://geometryviewer.com/v/TOKEN.glb
https://geometryviewer.com/v/TOKEN.gltf
https://geometryviewer.com/v/TOKEN.3mf

Embed URL

https://geometryviewer.com/embed?url=https://geometryviewer.com/uploads/TOKEN.stl

oEmbed endpoint

The site also supports oEmbed auto-discovery via:

https://geometryviewer.com/oembed?url=ENCODED_SHARE_URL&format=json

Returns type: rich with a 560×560 iframe embed, thumbnail URL, and full provider metadata.

Plugin behavior

The plugin matches /v/TOKEN.ext share URLs, constructs the embed URL, and returns a square (1:1) iframe with xr-spatial-tracking permission for AR support.