Cube-Shaped Plush Hat — Costume Sewing Pattern & DIY Tutorial

立体的な四角い被り物・着ぐるみ の作り方 / レシピ

Download this sewing pattern here

Step
1

Decide the hat size

1-1
Measure the head size (head circumference) of the person who will wear it

The Cube-Shaped Plush Hat is designed to slip on from below. So before you start, measure the head to check that it will fit.

1-2
Buy and download the pattern for your size

Once you’ve decided on the size, buy the pattern and download it from the link shown after your purchase.

The size range varies by product.

Step
2

Print the pattern

2-1
Print the pattern at actual size

Print the downloaded file at the print size indicated (A4 or A3).

Please note that we cannot offer refunds for orders placed in the wrong size.

Step
3

Cut out and assemble the pattern

3-1
Cut out the pattern

Cut out the pattern along the cutting lines.

3-2
Overlap the tabs and tape them

Overlap the tabs with matching numbers and tape them together.

3-3
Cut out the other pieces the same way

Cut out all 4 pieces in the same way.

Step
4

Apply interfacing to the outer fabric

4-1
Layer interfacing onto the outer fabric

Layer interfacing※ onto the fabric you’ll use for the outer. Use one-sided fusible interfacing※.

Sewing terms
【 interfacing 】
By pressing it onto fabric with an iron, it adds body to the fabric and helps prevent it from losing its shape.
4-2
Layer interfacing onto the outer fabric

Set the iron to medium heat and dry (no steam), and press to fuse.

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Use heavyweight interfacing

There are several types of interfacing. This time we use a heavyweight type so the boxy shape holds firmly.

Sewing terms
【 interfacing 】
By pressing it onto fabric with an iron, it adds body to the fabric and helps prevent it from losing its shape.
Step
5

Cut out the fabric

5-1
First, cut the fabric into a rectangle

Place the pattern on the fabric and cut it into a rectangle.

5-2
Cut out the inner oval

Trace the oval on the inside of the pattern with a pen and cut it out.

5-3
Cut out the other pieces the same way

In the same way, start by cutting out the 3 outer pieces.

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Cut as many pieces of fabric as the pattern indicates

For example, if it says “×2,” you need 2 pieces in total, one for each side. Outer C says “×4,” so cut 4 rectangular pieces.

5-4
Cut out the lining the same way

Here we use satin, which has a smooth feel. Be sure to cut the darts※ carefully too.

Sewing terms
【 dart 】
A triangular tuck stitched into the fabric to give it a three-dimensional shape.
5-5

Cut 2 lining pieces in total, one for each side.

Step
6

Transfer the pattern onto the fabric

6-1
Transfer the pattern using tracing paper

Slip dressmaker’s tracing paper under the fabric and transfer the pattern using a tracing wheel.

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Transfer only the “essential spots”

This pattern is set with a “10 mm seam allowance.”

So in most cases, sewing 10 mm from the fabric edge will give you the finish shown in the pattern.

That said, tracing the darts※ and notches※ makes sewing easier, so we recommend it.
Use the areas shown at left as a guide for what to transfer.

Sewing terms
【 notch 】
A mark used to align fabric pieces when layering them together.
【 dart 】
A triangular tuck stitched into the fabric to give it a three-dimensional shape.
Step
7

Sew

7-1
Sew the “dart” on Lining A

The first thing to sew is right here on Lining A. Fold the fabric right sides together※ and sew the dart※.

Sewing terms
【 right sides together 】
Layering two pieces of fabric with their right sides facing each other.
【 dart 】
A triangular tuck stitched into the fabric to give it a three-dimensional shape.
7-2
Layer the two lining pieces and sew the “head”

Layer the two lining pieces right sides together※ and sew the “head.” Leave the section between the stop-stitching points unsewn so an opening remains.

Sewing terms
【 right sides together 】
Layering two pieces of fabric with their right sides facing each other.
7-3
Sew the “chin”

Finally, sew the “chin.” The lining is now complete.

7-4
Sew Outer A and the lining together

With the “opening of Outer A (around the face)” and the lining right sides together※, sew all the way around the opening.

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Steps 7-4 to 7-11 video tutorial

If the still images alone are hard to follow, please watch the video tutorial too.
※This is the video tutorial for steps “7-4” to “7-11.”

Sewing terms
【 right sides together 】
Layering two pieces of fabric with their right sides facing each other.
7-5
Sew Outer B and the lining together

With the “opening of Outer B (around the neck)” and the lining right sides together※, sew all the way around the opening.

Sewing terms
【 right sides together 】
Layering two pieces of fabric with their right sides facing each other.
7-6
Snip around the opening

Make snips around the opening so the fabric “doesn’t pull” when you turn it right side out.

7-7
Turn the fabric right side out through the neck opening

Reach in through the neck opening, grab the fabric, and turn the whole thing right side out.

7-8
Fold the chin fabric in half

Fold the chin fabric back in half and layer it right sides together※.

Sewing terms
【 right sides together 】
Layering two pieces of fabric with their right sides facing each other.
7-9
Sew only the folded section

Sew only the folded section, being careful not to sew the part that isn’t folded.

7-10
Fold the other side of the chin in half too

This time, fold the other half right sides together※.

Sewing terms
【 right sides together 】
Layering two pieces of fabric with their right sides facing each other.
7-11
Sew the other half

Sew the other half to join Outer A and B together.

7-12
Layer Outer C right sides together and sew

Layer two pieces of Outer C and sew them together.

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Steps (12) to (17) can be sewn in any order

7-13
Join one more piece of Outer C

Sew one more piece of Outer C to the side.

7-14
Sew Outer B and C together

Layer the side of Outer B with Outer C and sew them together.

7-15
Sew Outer A and C together

Next, rotate Outer A 90 degrees “counterclockwise,” layer it with Outer C, and sew them together.

7-16
Rotate Outer A further and sew

This time, rotate Outer A 90 degrees “clockwise,” layer it with Outer C, and sew them together.

7-17
Sew the remaining edges too

In the same way, sew the remaining edges to form a cube shape (missing one face).

7-18
Sew the last face together

Sew the piece of Outer C you set aside. All six faces are now joined.

7-19
Trim the seam allowance “corners” diagonally

Trim all the corners diagonally. This makes the corners come out cleanly when you turn it right side out.

7-20
Turn the whole thing right side out through the lining opening

Pull the fabric out through the opening you left in the lining and turn the whole thing right side out.

Step
8

Add the stuffing

8-1
Add stuffing through the lining opening

Stuff little by little through the opening at the back of the head.

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First, stuff from under the chin

Start by stuffing under the chin. This is the hardest spot to stuff, so do it first.

Step
9

Close the opening at the back of the head

9-1
Close the opening

Once you’ve added enough stuffing, close the lining opening. You may also close it by hand with a ladder stitch※ or similar.

Sewing terms
【 ladder stitch 】
A stitching method that keeps the stitches from showing on the front or back of the fabric. It’s a type of slip stitch often used to close an opening.
Step
10

Finished

10-1
That’s all for the basic method

The basic version is now complete!

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When changing the cube size, watch the minimum size

If you make the cube any smaller than this, it will end up smaller than the head, and you won’t be able to keep a clean square shape.

The sizes below, and Lining A, cannot be changed

Please do not change the “face opening,” the “neck opening,” or the “length from the opening to the chin” shown by the red lines below. If you do, you won’t be able to sew them to the lining. Lining A cannot be changed either.


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