Nobody knows why the 3D printing guys back then invented this stupid format not containing any connectivity information or vertex indices. One thing that annoyed me is that the program only reads STL files, which is aa really terrible 3D file format. You choose an STL file containing your 3d model, choose the orientation, scale and position on the building platform, and some basic build options (layer resolution, model interior fillings and type of support structure) and it generates the data for the machine stored as a CMB-File. For production of scaled down tactile models, we chose a Stratasys Dimension BST 768 printer (a FDM rapid prototyping system) because of it’s relatively durable output and simply because we had one available for a comparably low printing fee.Īfter many hours of correcting, re-sculpting and tweaking around the digital models, I went to the catalyst ® ex program to create the toolpaths for the printer. The models were created using photogrammetric reconstruction, based on hundreds of photos of the large-scale exhibits. Way back I did a project involving 3D printed reproductions for visually impaired visitors of a science museum.
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