Expand-o-Matic / pattern design / PPC34 / purse pattern chronicles / Videos

PPC34: the Expand-o-Matic Introductory Video

January 27, 2026
Expand-o-Matic / pattern design / PPC34 / purse pattern chronicles

PPC34: the Expand-o-Matic Pattern Release

Expand-o-Matic / pattern design / PPC34 / purse pattern chronicles

PPC34: the Expand-o-Matic Cover Reveal

Expand-o-Matic / pattern design / PPC34 / purse pattern chronicles

PPC34: Help Us Choose the Expand-o-Matic Cover Model

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2026: What Was, and Is, and Is to Come

Check out our Blog Archive! (below) by Studio Kat Designs

Studio Kat Designs

PPC24: CityScapes

By Kat | Feb 11, 2021
So... in the course of making this newest sample, I decided to try out yet ANOTHER new interfacing! I guess ...
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Studio Kat Designs

PPC19: The Bangle Buddie Pattern Cover Revealed

By Kat | May 20, 2019
So… in our last post we had a little fun letting YOU be the designer and choosing which of our bag samples ...
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closeup shot of the ongoing making of a bag

Sew-in Magnet Stitching Tips

By Kat | Aug 13, 2015
So… I tell everyone who will listen that I LOVE using our sew-in invisible magnet snaps because… They snap together ...
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PPC34: Cactus Flower

By Kat | Dec 16, 2025
So... as you might surmise from our last post, we're coming close to wrapping up this round of Purse Pattern ...
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