Half-Square Triangle Block of the Month: September

Welcome to the Half-Square Triangle Block of the Month! For each month in 2012, I'll present a quick tutorial for a traditional quilt block using half-square triangles (HST)! It's going to be a lot of fun, feel free to join in at any time! For past posts see here.
Happy September! Today I'm sharing with you the ninth block of our block of the month series!

Cutting

HST Block of the Month: September, a photo by Jeni Baker on Flickr.

Traditional Method:

- (8) 4" squares from background fabric (white)

- (2) 4" squares from print fabric (green)

- (2) 4" squares from second print fabric (turquoise)

- (4) 4" squares from third print fabric (navy)

Alternative Method:

- (4) 6" squares from background fabric (white)

- (1) 6" squares from print fabric (green)

- (1) 6" squares from second print fabric (turquoise)

- (2) 6" squares from third print fabric (navy)

HST Block of the Month: September, a photo by Jeni Baker on Flickr.

1. Assemble your half-square triangles using either the traditional method, or the alternative method. Press seams open.

2. Trim your HSTs to 3.5" square.

HST Block of the Month: September, a photo by Jeni Baker on Flickr.

3. Arrange your HSTs as shown in the image above.

4. Sew your HSTs into four rows. Press seams in alternating directions.

HST Block of the Month: September, a photo by Jeni Baker on Flickr.

5. Sew your four rows together, pinning where the seams match up. Press seams open. Trim block to 12.5" if necessary.

Voila! You're done! :)

If you create a block using this tutorial I hope you'll add it to the flickr group!

Happy Sewing!