Matrix – Property 3D Viewer

Load property_model.json from your computer (recommended: download from Drive first to avoid CORS).

Or paste a URL if you have a CORS-enabled link.

Load from URL

Or load an SVG file to test markup rendering (2D flat):

Matrix – Drag to orbit, scroll to zoom. Copy values Select Mode (E)

Nudge Mode Active: Use Arrows to Align, 'S' to Save.

Select Mode: Click a shape to identify it. 'S' marks as stairwell (exclude).