Trix DrawingCenter - Version 3.5 View DWG, DXF, HPGL and many raster format files, including TIFF, CALS and JEDMICS C4. Trix DrawingCenter includes markup, scale-setting and measuring tools. Print all or parts of drawings to exactly the size you need. In the demo version images are randomly annotated with information about Trix Systems. This overlay i removed when the full license is purchased.