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3D Printing

The 3D printing service of the University Computer Center

The HRZ offers you the possibility to have a 3D print produced. Printing is done with the Ultimaker 3 Extended Dual Extruder. Thanks to this technology, it is possible to produce either complex models with water-soluble support material or two-colour objects.

If you would like to use our 3D printer, please contact the IT Helpdesk. You can call, write an e-mail or drop by personally. We will then discuss the exact procedure with you.

Phone: 0228 73-2751

Mail: [Email protection active, please enable JavaScript.]

Who is authorized to print?

All employees and students of the University of Bonn with a valid Uni-ID.

What can be printed?

The printer can porcess files in the format .stl. The maximum size of the models can be up to 215 mm in width and 300 mm in height. There is also a limitation in the printing time. We cannot currently print items that take longer than 13 hours to print.

The following filaments are available to print with:
PLA Black
PLA Transparent
PLA Silver grey
PLA pearl white
PVA (water soluble material as support for complex objects)

If you send us your model as a .stl file, we will import it into the program CURA. Here we can make settings for filling and print speed, and we can determine the required time as well as the amount of filament. Before printing, we discuss all parameters with you and inform you about the exact costs. The easiest way to do this is in a personal conversation with you. However it is also possible to communicate by e-mail.
The files will of course be deleted after processing and will never passed on to anybody.

The removal of the support material, if necessary, must be carried out by you.


The costs for 3D printing are as follows

basic price of 6 € per print

additional 0,15 € per gram of PLA filament used

additional 0,45 € per gram of PVA filament used (Supportmaterial)

Payment is made by means of a debit authorisation via the institutes.
Students pay cash.

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