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

closeup of a Studio Kat Designs Red Sling Bag

Ask Kat: Why are Some Patterns Retired?

By Kat | Jul 17, 2018
So… do you ever wonder what criteria we use to decide if and when a pattern is retired? At times ...
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A woman holding a cat in her arms.

Ask Kat: About My Daily Routine

By Kat | Jan 17, 2025
So.... the truth is... when I first retired to pursue this career in pattern publishing (in Dec 2005), the most ...
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Studio Kat Designs

PPC21: The Side Slinger Pattern Release

By Kat | May 26, 2020
The Side Slinger pattern and webpage is FINALLY ready for release to the public! For more pictures just click HERE. ...
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Studio Kat Designs fabrics selections

Ask Kat: Why Don’t You Include Fabric in your Kits

By Kat | Apr 10, 2014
So… Here’s a question we hear on a regular basis. They’ve seen a bag they like on our site and ...
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