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Industrial sewing machines can seem overwhelming, so we’re going to break it all down for you! Our focus is to demystify the industrial walking-foot machine for heavy duty sewing & leather.



Industrial Sewing 101

Industrial sewing machines are powerful tools used in upholstery, leather-work, bag making, and any production sewing. If you're looking to take your handmade product to the next level or just build skills to tackle more heavy duty personal projects— this class is for you.

Thea Gahr, a skill-building teacher & industrial stitcher with over 20 years experience in sewing production, will demystify the industrial sewing machine step-by-step in this hands-on class, ensuring you build knowledge & confidence along the way.



Level: Absolute Beginner
Absolutely no prior sewing experience is required.

Price: $45

Skills Learned

  • Sewing multiple layers of heavy duty fabric & leather

  • Gain hands-on knowledge of how to handle an industrial sewing machine

  • Learn how tension & timing work on an industrial machine

  • Try out different industrial walking-foot sewing machines

  • Learn about the anatomy of the machines & how different parts effect performance

  • Get an overview of various needles & threads

  • Learn about tools & materials needed to set-up your shop.

  • Industrial Sewing machine Q&A


Sailrite Fabrticator

Sailrite Fabrticator

Juki DNU 1541S

Juki DNU 1541S

  • For sewing light to heavy-weight materials such as leather, vinyl, upholstery, synthetics, canvas and various coated and laminated products. Designed for stitching such products as auto, boat and furniture upholstery, tarpaulins, covers, sails, tents, camping trailer covers, awnings, umbrellas, tops, bags, luggage, handbags, travelware accessories, sports and camping equipment, wearing apparel, outdoor clothing, canvas shoes, slippers, orthopedic appliances, etc.

  • Servo Motor

  • Knee lift



Thea Gahr

Thea is a bilingual artist & educator intent on connecting people to their highest creative potential through the small and dedicated acts of printmaking & sewing. She has been an industrial stitcher for 20 years. With a strong commitment to social & environmental justice, she is a member of Justseeds Collective.


Thea was awesome, knowledgeable, and passionate about her work. There was a lot of time for hands-on between the Juki & the Sailrite. Two things I wanted to make sure I left knowing were threading the needle & bobbin. She made that part fun & easy, and showed us how they both interacted and what each component did. That was huge.


What To Expect
Ellie Sewing.jpg

Private Industrial Sewing & Product Development Lessons

Get one-on-one instruction from one of our expert teachers in our collaborative industrial sewing studio, where aspiring professional makers build skills and develop product for their creative businesses.

We specialize in bag product development & helping you get your maker business off the ground. Build confidence & start producing your own goods or samples.

  • Work on a customized personal project of your choice

  • Learn hands-on how to handle an industrial sewing machine to meet your production & sampling needs. 

  • Get technical construction consultation on product development


We make it easy for you— No need to bring any supplies!

We provide all sewing machines, thread, supplies & materials for class. All kits are cut, prepped & ready to sew.

*Feel free to bring your sewing machine if you want to learn on it. We think it’s great to see what your machine can do. You can always switch to one of ours during class if your machine needs a break!

Food & Refreshments

There’s lots of local places to eat! We’re located in the same building as Ristretto Roasters, Kayo’s Ramen Bar & Tasty n Sons. New Seasons is a couple blocks away and Crisp Salad is across the street.

We suggest bringing a closed top water bottle & any diet-specific food if you think you’ll need it. We’ll have snacks, water, and tea!


Klum House Workshop

The Hub Building
3808 N Williams Ave. #132
Portland, Oregon 97203

We are located inside the Hub Building hallway corridor (we do not have a sidewalk storefront). Enter through the Hub building door on N Williams with the Klum House sign above it. Walk down the hall & take a left. You'll see the Klum House sign hanging above our door.

*Please note: We have street parking, so please arrive a few minutes early to allow ample time to park.

Questions? Send us a note!


Review our cancellation & rebook policy:

  • We require at least 7 days notice prior to the start of class to cancel for a full refund.

  • We require at least 48 hours notice prior to the start of class to rebook for a later class.

  • Full payment for class is due at time of sign up in order to secure your spot in class.

  • No shows forfeit any refund or rebook.

  • If Klum House cancels a class that you registered for, you are entitled to either a cash refund or a rebook to a later class.

  • If you transfer your registration to another class with a higher price, you are subject to pay the difference.


Later Event: March 28