3DHOP (3D Heritage Online Presenter) is an open-source tool for the creation of multimedia interactive Web presentations of digital cultural artifacts. 3DHOP target audience range from the museum curators with some IT experience to the experienced Web designers who wants to embed 3D contents in their creations. Based on WebGL, works on almost all platforms, without plugin or a dedicated server, directly inside HTML pages and is capable of streaming multiresolution 3D meshes over HTTP, supporting the exploration of huge 3D models on commodity computers and standard internet connections. IT has been downloaded and used by more than 1700 colleagues.