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Namen magistrskega dela je izdelava 3D-tiskane rekonstrukcije lesene makete Plečnikovega spomenika Janu Žižki, ki se bo po videzu in sledeč Plečnikovemu slogu čim bolj približala referenčnim skicam, arhitekturnemu načrtu in fotografiji lesene makete, ter ovrednotenje njene uporabnosti v galerijske namene. V teoretičnem delu sta na kratko predstavljena Plečnik kot arhitekt in dogajanje okoli natečaja za postavitev spomenika Janu Žižki. Sledita definicija kulturne dediščine in predstavitev možnosti in omejitve uporabe tehnologij 3D-tiska v kulturni dediščini. V zadnjem delu je bilo pregledano, na kakšen način se izvaja analiza uporabniške izkušanje s pomočjo semantičnega diferenciala. Sledi eksperimentalni del, katerega cilj je opraviti vse faze, potrebne za interpretacijo in reprodukcijo makete. Zaradi nezadostnega števila referenc in informacij je bilo treba poiskali dodatne ustrezne reference, s katerih smo s podrobno analizo pridobili vse informacije o Plečnikovem slogu in videzu husitskih vojakov ter predvsem o njihovem vojskovodji Janu Žižki. Pozornost je usmerjena predvsem na Plečnikovo upodobitev figur, oblek, konj in detajlov, oblekam in rekvizitom husitskih vojakov ter obraznim in telesnim lastnostim Jana Žižka. Sledila sta 3D-modeliranje in interpretacija spomenika. Telesa figur so bila izdelana v programu MakeHuman in nato uvožena v Blender, kjer so jim bili modelirani obleka in rekviziti. Arhitekturni del je bil v celoti modeliran v programu Blender. Figure so bile nato ustrezno pripravljene za 3D-tisk v tehniki stereolitografije (SLA). Arhitekturni del je bil zaradi velikosti v Blenderju razrezan na manjše dele, ki ustrezajo delovnemu volumnu tiskalnika, in pripravljen za tisk. Ta del se je tiskal v tehniki ekstrudiranja materiala s spajanjem slojev (FDM). Po tisku so bili vsi elementi ustrezno naknadno obdelani in 3D tiskana rekonstrukcija se je pripravila za razstavo. S pomočjo dognanj iz pregleda obstoječih raziskav je bila načrtovana in izvedena evalvacija uporabniške izkušnje 3D tiskane makete. The main purpose of the master’s thesis is the 3D-reconstruction of Jože Plečnik’s monument to the Czech military leader Jan Žižka, based on multiple references, including his sketches, architectural plans and a photograph of the wooden model of the monument. These references provided insight into Plečnik’s style which was used in the 3D-printed reconstruction. Usability analysis of the reconstruction was carried out, with regard to gallery purposes. Theoretical part of the work includes a brief presentation of Jože Plečnik and the circumstances of his application for designing the monument of Jan Žižka. Following is the definition of cultural heritage and a presentation of possibilities and limits of 3D-printing technologies in regards to cultural heritage. At the end is the theoretical background of audience experience analysis, based on sematic differential. Experimental part includes all phases, which were necessary for correct model interpretation and ultimately, reconstruction. The information obtained solely from Plečnik’s references was insufficient for model reconstruction. That is why a thorough analysis of other sources was carried out to obtain additional information about Plečnik’s style and the appearance of Hussite soldiers, especially Jan Žižka. Most attention was focused on Plečnik’s way of depicting figures and details, clothing, horses, Hussite soldier props and facial and body features of Jan Žižka. Interpretation and 3D modelling of the monument followed. Figure bodies were designed in MakeHuman and then exported to Blender for modelling clothing and props. The architectural model was designed solely in Blender. The figures were then properly prepared for 3D-printing with stereolithography (SLA) technology. The architectural model was too large for printing, so it was separated into smaller parts and prepared for printing, using fuse deposition modeling (FDM). All elements were properly treated after printing and the entire 3D-reconstruction was prepared for exhibition. Evaluation of audience experience and impressions of the reconstruction was carried out, using studies from existing research.

3D rekonstrukcija je več koračni postopek gradnje globinskih modelov iz 2D slik. V diplomskem delu smo predstavili postopek pridobivanja globinskih modelov iz zaporedja več slik. Podrobno smo analizirali fazo projekcijske rekonstrukcije, ki je ena izmed ključnih faz za natančno 3D rekonstrukcijo točk v prostoru. Preučili smo različne metode za izračun projekcijske matrike, in sicer faktorizacijsko metodo, metodo s temeljno matriko in metodo s kalibracijskimi podatki. Predstavili smo sistem, kjer smo omenjene metode implementirali in jih glede na izpeljan evalvacijski kriterij primerjali. Rezultati so pokazali, da je metoda s temeljno matriko najuspešnejša. 3D-reconstruction is a multi-step method for constructing depth (3D) models from 2D images. In our diploma work, we presented a procedure for acquiring 3D models from a sequence of multiple images. We analyzed in detail a phase for projection reconstruction, which is one of the key steps for accurate 3D-reconstruction of points in space. We studied different methods for projection matrix calculation, namely the factorization method, method with fundamental matrix, and method with calibration data. We presented a system where these methods were implemented and compared according to an evaluation criterion. Results pointed out that the method with fundamental matrix is the most successful.