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First introduction with CT-scanners

Yesterday we visited Ing. W. Verwaal at the faculty of Civil Engineering. Ing. W. Verwaal is a specialist in scanning all types of samples like soil, concrete, sandstone and asphalt. However, we will use the CT-scanners this time to scan the 17th century glasswork. Before we can do this we need to understand how the scanning process goes and what file/software we need to use. Ing. Verwaal showed us the scanners and showed us a model of an old glass which was scanned with the small scanner. This small scanner has a higher resolution than the big medical scanner but can’t be used for the real objects later on. That’s because of the fact that the objects needs to be glued on a rotating part for perfect scan results, ofcourse we can’t use glue on the museum pieces!
  We now have a DICOM file of the scanned example. Sisko will try to convert this file into a STL file, which we need. STL files are perfect for 3D-printing.
  Also, the other group members now will try to print a few examples on the 3D-printer. With these examples the behaviour of the plaster/glue can be tested. A possible big problem will be the use of porcelain sludge into a plaster mold made with a 3d printer. The sludge could dissolve the mold. The goal is to 3d print a negative of the glass object. This negative can be used directly as a mold for porcelain.
  It’s important in this project to do all the tests in advance, because the glass from Boymans & van Beuningen will be here at 6/7 oktober and the final product needs to be ready on October 26th (baking Porcelain will take 2 weeks).

 
 
 

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