Dice-Shaped Bag with a Convenient Outer Pocket for a Smart Phone – Sewing Instructions

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This is a dice-shaped bag with a cute, rounded form. The outer pocket with a gusset is perfect for holding your phone. The addition of a polyethylene core prevents the bag from losing its shape. The featured fabric is [Kuma Kuma] from the kotorinuno series. It is a cotton linen canvas with just the right thickness for making bags.

Design & Work:Aiko Hada

Fabric shown for this sample: kotorinuno EKX-2120-3C

□ Fabric (Bag Portion, Pocket, Flap): 110cm wide × 50cm
(Bag Portion Lining Fabric): 70cm × 40cm
□ Fusible Interfacing (medium weight) 90cm x 40cm
□ Polyethylene Core Sheet (for machine sewing): 1.5mm thick – 50cm x 15cm
□ Acrylic Tape: 2.5cm wide x 16cm
□ Zipper: One piece (30cm long)
□ Rectangle Buckle: Two pieces (3cm inner diameter)
□ Plasnap Snap Button: One pair (1.4cm diameter)
□ Handle: One piece (41cm long)

Size: 15cm (l) 15cm (w) 15cm (d)

We interviewed Aiko about her creation:
Kokka Fabric (KF): What did you think of the fabric you used for this project?
The bear, with its plush and gentle look, is drawn in various directions, so it is nice that you can use it without worrying about the orientation of the pattern. With a calm color tone, you can enjoy combining colors when making small accessories and clothes.

KF: Can you tell us any special elements or ideas that you incorporated into this creation?
The handles and buttons are finished with gold hardware to be fitting for grownups to use. The small outer pocket with a gusset is perfect for holding a smart phone. The bag is also made with a combination of cores to prevent it from losing its shape.

KF: What are some tips for making this bag?
If you use a flat iron with no steam holes on the pressing surface, you will get a clean finish without air bubbles when adhering the fusible interfacing.

KF: How should we use this bag in everyday situations?
This bag adds a great accent to a simple outfit. It may look small, but with its wide gusset, it can hold a water bottle, a wallet, a smartphone, and many other things. You can enjoy using it for everyday shopping with a reusable bag inside, or as a bag for children’s outings.

KF: Thank you very much, Aiko! Here are sewing instructions along with step by step photos from her. Enjoy crafting!



These are some of the materials used for the project. The hard core sheet, which can be sewn on a sewing machine, and a plastic snap, which can be easily attached by hand, are easy and convenient. Since the core sheet is inserted, a medium thickness fusible interfacing is selected.


This shows how the flap for the pocket is sewn. Make a notch in the corner and turn it over for a clean finish.


The bottom of the pocket is now sewn. If it’s hard to locate the position, please refer to this image.


This is where the top and bottom halves of the bag are put together. It will be easier to sew if you sew the acrylic tape with the buckle attached to either side first.


This is how the core is incorporated. The core is simply inserted, so you can adjust the size slightly.

◎Sewing Instructions

◎Sewing Instructions (PDF format / A4 size)