The site with the 382 puzzles I mentioned is found here
The site that I downloaded SmoothDraw can be found here
Attribution for the images I have used:
Knave image: By GDuwen at English Wikipedia, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=6413428
Knight image: By Guilelmus Peraldus, Summa de virtutibus et vitiis – http://minos1.bl.uk/catalogues/illuminatedmanuscripts/ILLUMINBig.ASP?size=big&IllID=39600, Public Domain, https://commons.wikimedia.org/w/index.php?curid=11353133