While you draw, Tess will maintain the symmetry group you have chosen- 24 rosette (circular), all 7 frieze (strip), and all 17 wallpaper groups are included. Tess also supports all 28 (29) types of Heesch tilings. Illustrations may be printed from Tess or exported to GIF, JIF, PCX, DXF, SVG, and other formats.
Image2PDF can directly convert dozens of image format into PDF format, can support manifold conversion way, and automatically clear and skew-correct by adopting special technique for B/W image, to insure display effect of high quality after conversion. You can directly scan paper documents into image files by scanner, convert them into PDF file by Image2PDF, so that users can very conveniently issue electronic books to Web.
Image2PDF can directly convert dozens of image format into PDF format, can support manifold conversion way, and automatically clear and skew-correct by adopting special technique for B/W image, to insure display effect of high quality after conversion. You can directly scan paper documents into image files by scanner, convert them into PDF file by Image2PDF, so that users can very conveniently issue electronic books to Web.
