Here're instructions for making an eye-catching hoodie for your laptop to use in public spaces for warmth and privacy. These are more sculptures than they are practical devices, and as such they're a fun challenge for knitting because of the complex form. Beginners may consider taking my intro Knitting Class to learn the basics. You can read more about this project, which is part of a series of similar devices, at my website.
What you'll need:
-a laptop computer, pda, or other electronic device
-yarn (I used about 10 skeins for this)
-knitting needles (straight, double-pointed, and circular)
-a sense of humor
Knit a test swatch of your yarn and determine the number of stitches and rows per inch (gauge). This may differ from any gauge listed on the yarn packaging, as everyone knits at a different tension. Measure your laptop's base, and figure out how many stitches and rows will be required to make the underbelly of the sock. Number of stitches per inch * number of inches = total number of stitches. I chose to knit my underbelly in a different color than the rest of the device.