Sewing Tips & Tricks / Videos

MORE Invisible Sew-in Magnetic Snap Advice!

February 10, 2026
Expand-o-Matic / pattern design / PPC34 / purse pattern chronicles

PPC34: the Expand-o-Matic Testing

Cignet Phone Pal / Double Take / Everyday Attache / Eye Candy / Gemini FlightBag / Walkabout Wallet

the February ’26 Eye Candy Showcase

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

PPC34: the Expand-o-Matic Introductory Video

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

PPC34: the Expand-o-Matic Pattern Release

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

The easy go wallet testing bags.

PPC29: The Tester Wallets

By Kat | Aug 21, 2023
So... many of you know that one of my favorite parts of the pattern development process is the testing round. ...
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Studio Kat Designs

PPC21: The Gorilla Sample

By Kat | Mar 24, 2020
So... in our last post in this, our 21st cycle of Purse Pattern Chronicles we showed you the 1st and ...
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Studio Kat Designs

PPC17: The Inspiration & Sketchwork

By Kat | Apr 23, 2018
So… here we are again! We’re at the front-end of that  l-o-n-g  process that eventually culminates in a brand new bag ...
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A detailed banner of the Cosmo Convertible

Ask Kat: About Patterns by pdf Download

By Kat | Apr 17, 2014
So… here’s a question we’re fielding more & more lately, particularly from our international customers. Oh, we’ve been hearing this request for ...
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