Markus LehtolaPersonal blog and project showcase by Markus Lehtola — writing on software, building things, and ideas in between.https://markuslehtola.com/Part 2: Turning 7.7 Million LiDAR Points into a Lightweight 3D Terrain for a Fabric Digital Twinhttps://markuslehtola.com/blog/fabric-digital-twin-rayfin-part-2/https://markuslehtola.com/blog/fabric-digital-twin-rayfin-part-2/How we turned 7.7 million open LiDAR points into a 6,500-vertex terrain mesh that runs smoothly in any browser, using only free Finnish government data — plus modeling the wind turbine in Blender with Copilot.Fri, 12 Jun 2026 00:00:00 GMTBuilding a Fabric Digital Twin with Rayfin — Part 1: From Scaffold to Live Datahttps://markuslehtola.com/blog/fabric-digital-twin-rayfin-part-1/https://markuslehtola.com/blog/fabric-digital-twin-rayfin-part-1/Standing up a Microsoft Fabric Rayfin app from an empty workspace to a 3D scene that renders live telemetry from a real database.Wed, 10 Jun 2026 00:00:00 GMT