VOZÁR, Andrej: Design, construction of 3D models and drawing documentation of one purpose hydraulic operated fixative jig. [Diploma thesis]. Žilina University in Žilina. Facul-ty of Mechanical Enginneering. Department of Machine Construction and Machine Parts. Director of studies: Ing. Ronald Bašťovanský, Phd. Qualification level: Engineer , Žilina: FME ŽU, 2017, 65 s.The diploma thesis is divided to two parts. The first part of the diploma thesis is focusing on the teoretic informations about fixative jig. The main, second part is focusing on the practical part. The topic of diploma thesis is design of one purpose hydraulic operated fixative jig. The diploma thesis describes the procedure for dealing with the drawing up of entry, through the design and description of individual parts to put into practice. The work contains a number of images for a better understanding of the described units.Key words: Types of jigs, Clamping jigs, Methodology of the construction of the jigs, Fixative jig, Hydraulic and pneumatic jigs.