This is a sample OpenHSF file from one of our systems. The first time you view an OpenHSF file a free viewer control will be downloaded and installed. Depending upon the speed of your internet connection this may take a few minutes - the file is 1.6 Mbytes which should take about 4 minutes on a 56Kbps modem or 30 seconds on an ADSL or cable modem. However, once the viewer is installed, the actual HSF files are highly compressed and are, therefore, very fast to download and view.  Click and drag with the left mouse button held down to orbit around the 3D models. The right-click mouse menu allows you to zoom, pan and set various options.

In the case of the hidden line render mode, better results are achieved if the wire frame render mode is used first. Using the right-click menu you can set the background window colour(s), add a simplified shadow and select anti-aliasing which improves the appearance of the textures used to represent the knurls. Shadows and anti-aliasing can, however, cause a noticeable performance penalty. The results obtained from the print and copy to clipboard options are not as good as those obtained directly from our system, but they are adequate for preview prints.