This study deals with the properties of PLA and PETG materials, which are important for gaining knowledge in biomedical applications. The process of obtaining an ideal implant from a material with suitable mechanical and physical properties is a complex process that can be said to be one of the most difficult in tissue engineering. The properties of PLA and PETG materials were determined on the basis of performed non-destructive and destructive materials testing methods. Destructive testing was performed on Hegewald and Peschke equipment and non-destructive testing was performed on METROTOM equipment. Commercial filaments from various companies were selected, from which type 5A dogbone samples were printed on a TRILAB printer. Subsequently, after performing the tests on dogbone samples, the results were evaluated and compared with the help of graphs and tables.