DELRAY Systems 3D Printing Human Skulls with "bone-like" FibreTuff material on Ultimaker S5

A Cranio maxillofacial event attended by over 50 surgeons, got the opportunity to work
with 3D Printed anatomical”bone like” skulls models made with FibreTuff and printed on
the Ultimaker S5. For this event, CT scans of a human skull was provided by Dr. Strong at
University of California and 3D printed by DELRAY Systems from Rochester MI. These
skulls, eight total, were used as functional models for demonstration, having an orbital
implant positioned in the eye of the printed skull. The CT scan below shows the
radiopacity of FibreTuff with the titanium implant. Surgeons at the event were excited to
hear FibreTuff can be sterilized in Autoclave, having exceptional screw retention and
ability to print very small pores for producing cancellous type bone. Discussions with
surgeons also included a wish list for creating a biomaterial that can be 3D printed
having bone like structural qualities with osteo conduction and most preferably osteo
induction. A recent in vitro study by a Medical University in Ohio concluded FibreTuff has
osteo conductive qualities. For this study, FibreTuff was 3D printed in two types of
scaffolds with porosity at 70 micron and 90 micron for optimum interface with cells,
which is a challenge for other bone like biomaterials.

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