Paweł Żur, Alicja Żur, Piotr Michalski and Andrzej Baier 2024. STRAIN GAUGE TESTING OF 3D-PRINTED CFRP SANDWICH STRUCTURE: Received: 02nd August 2023 Revised: 18th July 2023, 22nd December 2023, 29th December 2023, 16th January 2024, 29th January 2024 Accepted: 03rd August 2023. MATTER: International Journal of Science and Technology. 10, (Jun. 2024), 48–74. DOI:https://doi.org/10.20319/mijst.2024.10.4874.