Creating a 3D model of a surface with QGIS

The easiest method I have found for creating a 3D model from a digital elevation model (DEM) is with the QGIS plugin [DEMto3D]. Simply add the DEM into the plugin, and you can adjust the model’s base height, z exaggeration, etc., The model can take awhile to create if the DEM file is large. 
The plugin creates a STL file that can then be added into Meshlab or other 3D viewers for further manipulation. The model should also be easy to georeference based on obtaining the extent coordinates within QGIS. The plugin was designed for 3D printing landscapes. 

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