Round the Mountain Mini Quilt Mystery, Clue Four: HST Nine-Patch Quilt Block

Making a Nine-Patch Quilt Block Using HSTs

Assemble:
(20) 2-1/2″ charm HSTs, chosen randomly
(16) 2-1/2″ tan accent HSTs (that’s my green plaid fabric)

Sew (3) charm HST blocks as shown in the first row below. Press all the seams to the left. Your row should measure 6-1/2″ long. Make (4.)

Sew (1) charm HST and (2) tan accent HST blocks as shown in the second row below. Press all the seams to the right. Your row should measure 6-1/2″ long. Make (4.)

Sew (1) charm HST and (2) tan accent HST blocks as shown in the third row below. Press all the seams to the left. Your row should measure 6-1/2″ long. Make (4.)

Sew the (3) rows into a block as shown to the. Because of the way you pressed your block seams, they should just nestle at the intersections.  Use pins to encourage this behavior.

Press the row seams up, away from the bottom tan accent row. This block should measure 6-1/2″ square.  Press and square it up if necessary. Make (4.)

Assemble:

(8) 16-1/2″ x 1-1/4 background strips
(4) 16-1/2″ x 1″ tan accent strips

Sew the 16-1/2″ x 1″ tan accent strip between (2) 16-1/2″ x 1-1/4 background strips. The picture below shows the back of the unit. Notice how the two 1/4″ seams completely cover the thin stripe on the front.

Press to the tan strip. Your three-strip-set should measure 2-1/2″ wide. Make (4) sets.