One major application of 3D Scanning is preservation of artifacts and recreation of those using modern technologies. This technology can also be used to modify preserved artifacts digitally. Below is one such case on how 3D Scanning is used to preserve and finish three wall-mounted ornaments in Alexander Nevsky Cathedral, Nizhny Novgorod, Russia.
Ornaments at the cathedral were not finished by the previous artist and thus the further work was entrusted to Dmitry Zhamkov whose art studio contacted the Range Vision’s office. It is difficult and time-consuming to do this kind of work manually as the main aim of the customer was not only the production of ornamental patterns but the most accurate copy of style of previous artist.
For project realization, the company used new RangeVision Spectrum 3D scanner. The new Spectrum 3D scanner is lightweight at just around 10 kg. This allows bringing Spectrum to the sites and offices of the customers in a secure case. The ornaments are covered with markers to make 3D scanning more accurate and stable. It was enough to apply markers only to the one side of each of the ornaments since the objects were symmetrical.
Post-processing of the scan data in RangeVision ScanCenter program allowed to obtain a high-precision final 3D model. The process of 3D digitization took 5 hours, post-processing and alignment of scans took 2 working days. On an overall, the results came out very well. The quality of final 3D models allows producing of missing carvings on a CNC machine, hence, finishing the work that was started.