Conservation restoration treatment of two altar candle holders from the Pomoćnica kršćana parish in Orebić brought up number of issues that had to be answered. Although planned to be an exercise, copy making project of two candle holders due to complexity of its technological and research challenges transformed into master theses which in the end contributed in realization of conservation-restoration treatment of the originals. For better understanding of conservation treatment object has to be observed in its wider context: it's origins, cultural, historical and artistic value and importance of identifying technologies and materials used for construction. It is important to properly diagnose the damages and what caused them to make proper decision about the treatment. Copy making, especially the ones concerning artworks dates back to the outset of civilization. It was not in rare occasion that the artists were reproducing their artworks as well as the copyists were copying the works of others to meet the demands of the market. 20th century practice changed the perception of copy making, especially in the field of heritage preservation. In order to be preserved for future generations important pieces of arts on public display were replaced with copies. Copy making in this thesis aims to use this didactic process as a means for better understanding and realization of conservation restoration treatment.