Original Passap #21-#24 Pattern Books for the Passap Knitting Machine are available for immediate download at no cost to you. There are 60 issues of Model Books. These issues show patterns set up on the Duomatic and can easily be converted to the E 6. Many of the designs with just slight tweaking are fashionable for today.
If you want to use other pattern stitches and knit techniques in the schematic shape, you can find organized together by stitch pattern with all of the knit techniques that go with that stitch pattern.
Other resources that will be helpful for you are listed on the front page of this website.
Machine Knitting Journal to keep track of your projects
Knitting with Color and a Touch of Texture is a great resource for putting your colors together