I figured you were doing a 12" finished block if your center is 8 inches :wink:
Any way, here are the templates for this block
I would put it together this way...think of making the block in 3 components. Sew the two triangles together using the light blue section as a guide and then sew them to the corner block. Then sew the opposite corner component the same way that is pink. Then I would sew the triangles to the corner blocks in the center component and sew them to the ends of the center square. Then sew the three together. JMHO
Templates for a 12 in finished block
[ATTACH=CONFIG]57619[/ATTACH]