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Questions tagged [stl]

STL files describe the surface geometry of a three-dimensional object.

1
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1answer
67 views

QGIS 3.4 and DEMto3D 2.3 Scaling Error

I'm having a scaling problem when using DEMto3D and extracting STL's for later manipulation. I have a merged TIFF file for Australia and am attempting to extract models of each state so I can print ...
3
votes
1answer
328 views

Suggestions for Demto3d parameters

I'm trying to model the great lakes bathymetric data for a cnc. I'm using Qgis to handle the conversion The Geotiff was obtained from https://www.ngdc.noaa.gov/mgg/greatlakes/erie.html using the ...
5
votes
3answers
3k views

Generating STL (3D) file from raster ASTER GDEM data?

I load an ASTER data to Global Mapper workspace and try to export to STL file, receive the message that I need a 3D vector file. I tried all formats in GM, grid xyz, dem, contour in vector format ...
2
votes
2answers
195 views

Mars DTM has all negative elevations in QGIS. Can't build STL file for 3D print

I downloaded Mars HiRise DTM .IMG files and they load fine and generate contours fine. When I try to create an STL using DEMto3D to print it on the 3D printer I can't export it because I cannot put ...
5
votes
2answers
3k views

Generate TIN from elevation data in Python (no Arc)

I would like to generate a 3d terrain model of an area, and I am stuck on creating the TIN (which I will convert to an STL). I know there are plenty of ways to use ArcGIS, QGIS, 3DEM, and various ...
1
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1answer
1k views

Converting DTM data to STL?

I'm new here and was wondering if anyone could help? I'm looking to make some 3D maps using DTM data but need to convert it into .STL format for my MasterCAM to read so that I can generate the CAD ...
2
votes
1answer
366 views

Qgis2threejs - custom output size

I am new to QGIS, it there a way to generate STereoLithography (STL) files with custom output size (I want to match DEM's layer size). Here it includes 'white' canvas inside model. I can't change ...
0
votes
2answers
87 views

digital elevation model data help?

I know little about geographic data. I am trying to get a file of elevation data for the United Kingdom so that I can import it into a CAD program and convert it to an *.stl or *.dxf format. I ...
0
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2answers
1k views

Why is this SRTM TIFF not visible in GRASS GIS 6.4.3?

I want to use interpolated SRTM data for Germany to generate an STL terrain map for use in a CFD application. My SRTM data comes from the OpenDEM project. SRTM data normally has voids, but this data ...
2
votes
1answer
279 views

3d arcgis raster .tiff image to CFD software

I am trying to export 3d raster image prepared in ArcGIS to cfd package such as Fluent. I was wondering if anyone has experience to convert raster image to autocad 3d format, stl, vrml or any other ...