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

PPC34: Windswept- A Bag for ME!

February 18, 2026
Sewing Tips & Tricks / Videos

MORE Invisible Sew-in Magnetic Snap Advice!

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

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. ...
Read More →
A sketch of a bag with a zipper.

PPC28: The Inspiration

By Kat | Oct 8, 2022
So here we go again! It seems like we were just working on the Katalina Shoulder Bag (and actually, we ...
Read More →
Studio Kat Designs

Six Shades of Grey!

By Kat | May 15, 2021
So.... it was during the "lockdown" phase of the pandemic last year that I started toying with the idea of ...
Read More →
A bunch of women with bags in their hands

Seen at Show: Mid-Atlantic Quilt Festival ’25

By Kat | Mar 21, 2025
So... even though I've been in business for 20+ years, I still get a BIG kick out of seeing our ...
Read More →