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The designer of a plastic heart made with a 3D printer says he knows it looks right when it makes him feel sick.
Richard Arm developed the replica using the printer and then adding silicon gels.
A top surgeon has backed the prosthetic, which is designed to train medical students.
A top surgeon at Nottingham's Queen's Medical Centre has given his backing to a new prosthetic heart designed to help train medical students.
Richard Arm, a researcher at Nottingham Trent University, created the lifelike replica using 3D-printing. He then used silicone gels to give it the feel and texture of a real human organ.
Mr Arm came up with the idea to help trainee heart surgeons practise their skills before carrying out real operations.
The project was undertaken with the support of the Queen's Medical Centre.
Professor Michael Vloeberghs, a consultant neurosurgeon at the hospital, said:
A Nottingham research student has developed a replica of the human heart, using 3D printing technology.
Richard Arm developed the technique with the backing of Birmingham's Royal Centre for Defence Medicine.
It is hoped the heart will help in the education of trainee surgeons and medical students.