Received: 15 January 2021
Accepted: 7 June 2021
First Online: 28 July 2021
: This project complies with the guidelines for human studies, and it was confirmed by our hospital’s Ethical Committee (IRB number: R2 – 6974/2020., approval date: June 9, 2020). All patients have signed written consent to undergo surgery where personalised cutting guides were manufactured using our add-on and to publish anonymised data.
: The authors declare that they have no competing interests.