Don't worry, you are not hallucinating!!! I did today's sleeve out of a stripe fabric to show you what happens with the fabric when you do this sleeve. Wild, right!!
I'm calling this sleeve,
The Psychedelic Circle Sleeve
The final pattern. As you can see, the grain line remains the same.
Add seam allowance to the new seam line. Once the seam has been gathered, sew twill tape on the seam line in order to secure the gathering.
Enjoy! Have a wonderful weekend.