GO! Half Square Triangle-1 1/2" Finished Square


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Quick Overview

Triangles are a basic building block in quilting. Arrange triangles in colorful combinations for great quilt designs. Two half square triangles sewn together form a 1 1/2" finished square. Use two triangles to create cornerstones in borders using the GO!® Strip Cutter-2" (55025) die.

Free Pattern:  GO! Storm at Sea

Compatible with these fabric cutters:

*Must use with GO! Die Adapter

GO! Half Square-1 1/2" Finished Triangle

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Create a multitude of geometric designs and borders with this GO! Half Square Triangle-1 1/2" Finished Square die. It's compatible with the GO!, GO! Big, GO! Baby, and Studio fabric cutters. This die eliminates the hassle of scissors and rotary cutters by accurately slicing multiple pieces of fabric at once.

Use GO! dies with your GO! and GO! Baby Fabric Cutters to cut precise, accurate shapes in just seconds.

Features and Benefits:

  • Cut so much more in less time—Cut up to 6 layers of 100% cotton fabric at once
  • Easiest to use—Simply place die on cutter, then fabric and cutting mat on top
  • Get accurate cuts every time—No slipping rulers or mistakes
  • Create quilts you never thought you would—AccuQuilt makes cutting curvy classic quilt patterns a snap
  • Save fabric with Two Tone Foam—Get more out of your fabric by placing it only over the shape you want to cut
  • Safe to use—No blades come anywhere near your fingers
  • No more math—Geometric shapes are designed with an accurate 1/4" seam allowance in the design
  • Quilt more, clip less—No more clipping all those dog-eared corners
  • Quick and easy applique—Apply fusible web to fabric prior to cutting

Storage: Organize GO! dies with AccuQuilt GO! Die Storage Rack (55115).

Care & Maintenance: Use adhesive roller to clean lint and thread from dies. After each use, with the die pick provided with the cutter, remove any threads imbedded between blades and foam. It's normal for threads to get caught where blades meet in a die. Remove with tweezers or die pick. Die blades never need to be sharpened.

Die Tips:

  • With some fabrics, after cutting, a thread or two will remain where die blades meet. Snip threads with scissors.
  • Use cutting mats that matches size of each die.
  • For best results, cut with die blades running under roller at an angle. Do not cut with blades parallel to roller.
  • Blades on some dies are positioned at an angle. Align fabric to edge of shape, not edge of die board.
  • Some dies feature specially designed corners to aid in alignment and pre-cutting.
  • For fast applique, apply fusible web to fabrics, then cut shapes with dies.
  • Use good quality fabric to reduce fabric stretch.
  • It's always a good idea to test cut one shape before cutting many shapes to ensure fabric orientation is correct.

Warranty: AccuQuilt GO! dies are guaranteed for one year.

Details and Dimensions
Designer AccuQuilt
Compatible Fabric Cutter GO! Baby Fabric Cutter (55600), GO Fabric Cutter (55100S)
Cutting Mat/Plastic Required GO! Cutting Mat, 5 in. x 10 in. (12.7 cm x 25.4 cm) Item 55110
Cut Size Six half square triangles 2"W x 2"H (5 cm x 5 cm)
Finished Size 1 1/2"W x 1 1/2"H (4 cm x 4 cm) triangle
Die Board Size 5 in. x 10 in. (12.7 cm x 25.4 cm)
Item 55319
Weight in lbs. 0.88
Brand AccuQuilt
Warranty Limited One Year

In stock items will ship within 2 business days if ordered before 12:00 p.m. CST Mon-Fri. Most in-stock items will arrive at your U.S. address 3-8 business days (Ground Shipping) after your order is shipped.

Please note that deadlines for certain items, including Deluxe Cutting Cabinets (SKU 50903), are different than those of general merchandise as those items cannot be expedited. To make sure your gift selection can arrive on time, always check the Shipping tab located at the bottom of the specific product page.

The shipping time frames above apply to in-stock merchandise delivered to the contiguous United States, and does not include Alaska, Hawaii or APO/FPO addresses.

Studio Backordered items are currently out of stock, but are available for purchase.  Your entire order will ship with the backordered item(s) within 12 business days.

Pre-Order items will ship as indicated on the product page. Once shipped, your items will arrive at your U.S. address 3-8 business days (Ground Shipping) after your order is shipped.

Help & Guides

Customer Reviews

Overall Rating

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  • Nicole · 5/23/2017

    Great Die!

    I have used this die for both leaders and enders and friendship triangle exchanges. It made fast work of my tree of life quilt.

  • June · 5/11/2017

    Great Addition to my Die Collection

    This shape has so many uses. I've been to quickly cut this shape for a large project I'm working on!

  • Linda · 4/23/2017

    Great Die

    I bought this die so I can cut pieces quickly for my favorite blocks in the Go Sampler book. I have not used it yet, but am never disappointed with a Go die.

  • Diane · 1/18/2017

    Fantastic Die

    I should have known better but I told my son to pick out a quilt pattern for me to make for him. He went straight for an antique red and white quilt from the Lady of the Lake pattern. It has hundreds of tiny triangles that can be cut with this die. I think I have finally found a die that will cut the corner triangles too. I can't imagine making these six inch blocks without these dies.

  • Jim · 11/30/2016


    This die is exactly what Andy and I needed to create the cut pieces for our next 2 quilts which we have newly designed for 2 charitable events. It has almost made our rotary cutter obsolete.

  • Debbie · 9/28/2016


    Used to do the Christmas Medley Quilt!! Awesome!!!

  • Debbie · 9/28/2016


    Part of my Christmas Quilt project!!! Love this. So Fast, So Easy!!! Wish I had more to cut!!!

  • catherine · 9/18/2016


    Helped make the filler pieces for my tee shirt quilt fast and perfect

  • Debbie · 9/17/2016

    So awesome to cut out in 5 minutes what would have taken forever !

    Purchased for the Christmas quilt. Love it!!!

  • Sheri · 8/8/2016

    Great die for scraps!

    I bought this die to deal with little bits of fabrics and make them ready to be used. This die fits the bill for that!