![]() In "model size" first set the spacing to 0.2 mm. Either set "Print extent" to "Select layer extent" or draw an extent. In the DEM 3D Printing dialog set "Layer to Print" to your raster elevation map. In the Raster menu select DEMto3D and then DEM 3D Printing. In the Browser Panel browse to your GRASS data directory, browse to a mapset, and open a raster elevation map. Install, update, and check the GRASS 6 and DEMto3D plugins. In the Plugins menu select Manage and Install Plugins. Slic3r: Open source g-code generation for 3D printing Workflow Launch QGIS 2.12 with GRASS 6 MeshLab: Open source mesh processing, editing, and rendering QGIS: a free and open source Geographic Information System (GIS) integrated with GRASS GIS GRASS Location: Washington South State Plane Meters HARN (EPSG 2856) Software Finally in Slic3r we will compute slices for 3D printing and and generate g-code instructions for 3D printing. Then we will use the GQIS plugin DEMto3D to generate a stereolithography mesh (.stl) for 3D printing. ![]() ![]() First we will load GRASS elevation rasters in QGIS. In this workshop we will prepare digital terrain models for 3D printing using open source software. ![]()
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