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Extruder

Extruder is a program to create 3D objects by mean of the extrusion technique.

 
Image of extruder

You create the object, simple or formed by many parts. Any face of the parts can have a distinct color and/or texture. The method is specially suitable to reproduce building models. The textures can be extracted from photos taken with a digital camera.
But the photos must be processed before using them as textures. Specifically, in general the photo must be corrected from the perspective deformation, sometimes merged with other photo to generate the complete image of a building facade, and sometimes "improved" in sharpen and colors.
For all these tasks I use and recommend:

  • The Gimp to edit the colors, sharpen, and to crop the interesting part of photo
  • Hugin (with Panotools) to correct the prospective deformation, and to merge many photos to obtain a single image


 

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