Winter Cal is a northern pattern for overlay mosaic in the round and interlocking filet in the round.

It comes with video support for the setup and the first 5 rounds. Interlocking comes also with a photo tutorial and overlay mosaic comes with two versions of the setup (a chain and chainless)
The pattern is supported by charts, written pattern and large printable x chart

97 rounds done in rectangle
comparable for interlocking 97 by 105 windows
overlay mosaic 195 stitches by 211 rows
size (based on fingering yarn and hook 3mm) 90 by 110 cm, 38 by 43 inches

Enjoy!