From a distance the fabric actually doesn't look all that "Christmas-y" but it is BasicGrey's Jovial for Moda.
The idea behind this one is tire tread.
This concept will likely be a pattern for you soon.
Just have to iron out a few kinks.
Like the ridiculously non-standardized measurements.
I squared them up to 1/16th inch increments.
Runner is in the shop.