Cross Block
There is something organic that draws modern and traditional quilters alike to the simple cross block. Beginners are attracted because they see a block made entirely of straight seams, and advanced sewists because they know it also has great graphic impact. Craftsy has an article HERE on cross block patterns and variations. There are both free downloads, and others for purchase. Pinterest has many excellent boards, but here is one in particular I follow: PLUS/CROSS QUILTS