Welcome to Art by Logic!We specialize in the creation of eye-catching digital art - all original computer artwork.Several categories of creative expressions are available for viewing.    Browse our gallery of images.  Try a challenging logic puzzle.  Grab free wallpaper for your computer.  Purchase a print in our gallery.  Discover beauty and logic...ArtParametric ArtSpirographLissajousArt GalleryMoving ArtHourly ArtActive ArtFree WallpaperLogic PuzzlesDaily SudokuMental StretchGrid LightsNumber SliderImage SliderInfoAbout UsContactOdds & EndsWeb LinksDaily Bible VerseMonthly CalendarKaleidoscope VideosFree BackgroundsMath WorksheetsGrade CalculatorActive ArtHourly ArtLoading...Loading...Latest newsOct 26, 2013NEW!  Try out the new Lissajous Art Creator under the Parametric Art link of the side menu.Jan 28, 2013Added support for multiple students in the Grade Calculator.Jan 7, 2013Improved functionality of the Grade Calculator.  Changes are saved locally for browsers that support local storage.Apr 13, 2012Take a look at the most recenlty added kaleidoscope video.Mar 18, 2012Offering a collection of links from around the web.Mar 3, 2012Free tiled backgrounds. Over 100 backgrounds to choose from.Jan 22, 2012Some home page improvements - added thumbnail views of some featured art.Dec 12, 2011Check out the newly added free wallpaper images.Dec 8, 2011Moving Art now has a 'mutate colors' option.Nov 29, 2011Added three new random backgrounds for the main page.Nov 19, 2011Made left menu structure collapsible via the white square on the far left side.Oct 18, 2011Revised menu structure.  Note that you may need to clear your browser's cache if things don't look quite right.Oct 15, 2011Moving Art - view mesmerizing art in motion!Oct 10, 2011Increased the number of available puzzles to over 500 years worth of daily sudoku puzzles at each difficulty level!  Fixed an issue with the Sudoku puzzles that has been around for the last four months.Sept 16, 2011Create your own spirograph art on our Online Spirograph Art page!  Make your own cool designs or pick from one of our 43 presets.Aug 27, 2011Here is the latest - the spirograph creation 3-Weave (SA-116)Aug 11, 2011Increased the size of the image slideshow.  Click on an image for purchase information.May 18, 2011Introducing Vortex (AA-115)April 7, 2011Now offering a Daily Bible Verse courtesy of biblegateway.com.March 5, 2011Cool new backgrounds!  Check out the Logic Puzzles page, among others.December 30, 2010View Active Art.  A new image for every second of the year!  Experience rapidly changing art.June 26, 2010Check out Hourly Art.  A different kaleidoscope image is featured every hour, on the hour.April 15, 2010Added an RSS feed.April 3, 2010Now offering an easy way to purchase prints, greeting cards, post-cards, and e-Cards from our Gallery pages.April 3, 2010Now displaying a larger image Gallery view by default.  The thumbnail Gallery view is still available as well.April 2, 2010Added a sitemap.Febru