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GO! Half Square Triangle-3" Finished Square


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Quick Overview

Like the perfect pair of black pants, half square shapes are the building blocks of good style. The GO! Half Square die makes quick work of cutting out 3-inch finished triangles, even with multiple stacks of fabric. Twist and turn these basic quilting units for a variety of block designs, including pinwheels. Add some "pearls" in the shape of square and rectangle dies from our AccuQuilt GO! mix and match system and your quilting fashion expands even further. A designer look in a flash!

Compatible with these fabric cutters:

*Must use with GO! Die Adapter

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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 Four 3 7/8" (9.8 cm x 9.8 cm) Triangles
Finished Size 3" (8 cm) triangles
Die Board Size 5 in. x 10 in. (12.7 cm x 25.4 cm)
Item 55009
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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  • Gloria · 2/11/2017

    Go Half Square Triangle 3" Finished Square, #55009

    The Accuquilt Half Square Triangle - 3" finished Square (#55009) is one of my favorite dies because it is so versatile. I’ve used this die several times in designing my quilts and the results are beautiful. I highly recommend adding the Half Square Triangle - 3" finished Square (#55009) to your collection.

  • Kathy · 1/24/2017

    The most used die in my collection

    I've used this die so much I ordered a second one. It coordinates with so many other dies for various patterns. Have used it for the connectors in several I Spy quilts, baby size pinwheel quilts, radiant star with the chisel die, and my daughter's wedding throw which had 575 of this size half square triangle along with a larger half square.. Love this die. It is indispensable.

  • Marilyn · 1/18/2017

    3 1/2 half square

    Used this with the chisel and Eleanor Burns patter for the chisel quilt. Have made 2 of them. Love Love

  • Karenl · 11/28/2016

    Must have die

    This is a must have die for every quilter. Works with a bunch of quilt lay-outs.

  • Sherry · 11/21/2016

    Easy and fast

    Easy to cut a ton of these quickly.

  • Jeanne · 10/20/2016

    great die

    I made lots and lots of half square triangles in no time for a quilt.
    The best part everything fits together.

  • William · 10/13/2016

    Triangles Made Quickly

    I love making triangle blocks with this die. So easy to just cut and sew away. The quilt top comes together quickly..

  • sherri · 9/26/2016

    Love it

    Before using the go dye for triangles. The triangle blocks I made were never uniform. Using both the HST and QST dyes made a big difference for me in getting blocks the correct size and the same size.

  • Rich · 9/25/2016

    All my Go cutters

    I enjoy all my cutters. The time they save me is absolutely great.

  • Brenda · 9/16/2016

    GREAT on all I have so far

    I just started quilting and I think all my dies are great and everyone that quilts should have one. I can't believe the time it saves me. I wish I had all of them because I love the free designs that you get with them. I have 6 so far and hope to get many more and that goes for all I have. A wonderful toy to have foe quilting.