This paper presents the design and 3D printing process of the components which form an exoskeleton robot used in elbow joint rehabilitation.In the first part of the paper are presented a series of exoskeleton models used to rehabilitate the upper limb(4 DOF and 7 DOF).The second part is entirely dedicated to the mechanical design process of the components which form the device.In the last part of the paper are presented a series of aspects related to the physical achievement of the device using rapid prototyping technology(3D printers,filaments of material,execution time,assembly of components etc.).In this case was chosen the natural PVA filament from Ultimaker that dissolves in water.The dissolving process of the support material was analysed over a 24 hours period,in which the pieces were immersed in an aquarium.This paper represents a part of a much wider project of designing,creating and testing a bio mechatronic device used in rehabilitation of elbow joint.
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