Author Archives: shapespeare

Boolean Punches: Adding Modular Functionality

Consider a bucket (or a beer glass if you prefer).  What part makes it useful?  The inside of course.  The negative space embodies the function of such an object.  So why not separate the negative space and with it . … Continue reading

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Testing a Sense3d: Size does matter

Unlike 123d catch and other photo based scanning systems Sense3d captures things to a specific scale.  Theoretically your scans appear life size.  I made a couple of scans to test this.  The first test was an empty ABS filament box … Continue reading

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Accutrans3d: The Home Stretch

In case you came in late this tutorial starts here In Accutrans3d click File>Open DEM As>USGS 1-degree ASCII (*.dem) This will import your data as a colored 3d map. Click Dem>Convert to 3d (less water) to convert your data to a 3d mesh. … Continue reading

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3dem: Are We There Yet?

In case you came in late this tutorial starts here 3dem provides the useful service of translating our .tif file to a .dem file.  You simply select File>Load Terrain Model choose GeoTiff DEM and select your file.  If you can’t find … Continue reading

Posted in DEM --->STL | 2 Comments

QGIS: The open source GIS Swiss Army knife

In case you came in late this tutorial starts here The first step in processing the DEM data is to import it into QGIS.  QGIS is a fairly imposing program which can do anything to GIS data except show you how … Continue reading

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DEM data: The world isn’t all black and white.

In case you came in late this tutorial starts here Digital Elevation Model data is a set of numbers which represent the elevations of various points on earth (and other planets too).  The resolution of the survey determines how closely … Continue reading

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Making tiny worlds: From DEM to STL

This is a technique I picked up from Gregor Luetolf (gluetolf on Thingiverse).  He details a very nice workflow for creating STL files from DEM data, but unfortunately (for some of us at least) Gregor, who lives in Switzerland, wrote … Continue reading

Posted in DEM --->STL | 6 Comments