---
title: "Round the Mountain Mini Quilt Mystery, Clue Four: HST Nine-Patch Quilt Block"
date: 2020-01-01
author: "Phoebe Moon"
featured_image: "https://scrapdash.com/wp-content/uploads/2020/01/RTM-9-200.jpg"
categories:
  - name: "Free Patterns"
    url: "/category/free-pattern.md"
  - name: "Quilt Mysteries"
    url: "/category/mysteries.md"
tags:
  - name: "Making a Nine-Patch Quilt Block Using HSTs"
    url: "/tag/making-a-nine-patch-quilt-block-using-hsts.md"
---

# 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.)

![Quilt Mystery Clue Four](https://scrapdash.com/wp-content/uploads/2020/01/RTM-clue4-ninepatchrows.jpg)

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.

![Quilt Mystery Clue Four](https://scrapdash.com/wp-content/uploads/2020/01/RTM-clue4-ninepatch-pressing-e1577596718315.jpg)

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.

![Quilt Mystery Clue Four](https://scrapdash.com/wp-content/uploads/2020/01/RTM-clue4-wrongside.jpg)

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

[![Quilt Mystery Clue Four](https://scrapdash.com/wp-content/uploads/2020/01/RTM-clue4.jpg)](https://shareasale.com/m-pr.cfm?merchantid=53072&userid=1512603&productid=559362601&afftrack=)I found this large [Quilters Cut ‘n Press](https://shareasale.com/m-pr.cfm?merchantid=53072&userid=1512603&productid=559362601&afftrack=) at Sewing Machines Plus. It has a cutting surface on one side and a pressing surface on the other.

[![](https://static.shareasale.com/image/50439/4CAAD408-D7B5-DECA-B05823DAD74A6A89.jpg)](https://shareasale.com/r.cfm?b=1049250&u=1512603&m=50439&urllink=&afftrack=)

## Round The Mountain Clues

- [Introduction](https://scrapdash.com/a-charming-mini-quilt-mystery/)
- [Fabric Requirements and Cutting Directions](https://scrapdash.com/round-the-mountain-mini-mystery)
- [Clue One: Preparing the Charm Squares.](https://scrapdash.com/go-round-the-mountain/)
- [Clue Two: Making HSTs and QSTS](https://scrapdash.com/making-half-square-triangles-hsts/)
- [Clue Three: Creating a Pieced Border](https://scrapdash.com/creating-a-pieced-border/)
- [Clue Four: Nine-Patches](https://scrapdash.com/nine-patch-quilt-block/)
- [Clue Five: Adding the First Border](https://scrapdash.com/mini-quilt-mystery-adding-the-first-border/)
- [Clue Six: How to Miter a Border](https://scrapdash.com/mitering-a-border/)
- [Clue Seven: The Grand Finale](https://scrapdash.com/mini-quilt-mystery-finish/)
- [Picture Page](https://scrapdash.com/mystery-quilt-round-mountain/)

Questions or comments? Click on Leave a Reply below or Leave a Comment in the upper left hand corner.

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