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North House Folk School
North House Folk School

Kolrosing: Decorative Line Carving

Adding a personal touch to an everyday object is as ancient a tradition as craft itself. Kolrosing, or "painting with coal," has its roots in Viking traditions. To kolrose an object, students use a specially designed knife to incise a fine line onto wood, and then rub dust (traditionally coal, now coffee) into the line to bring out the design. This simple method can be used to add a folk flourish to any wood craft- plates, spoons, bowls, furniture, skis and more. You'll begin by practicing traditional kolrosing designs (similar to rosemaling), and then kolrose a variety of woodenware objects of your choice. After two days, you'll be ready to kolrose your creative inclinations into any project.


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Course Details

Length in days:


$85.00 per student (Regular rate)
$75.00 per student (Early-bird rate)


Beginner to Advanced

Age with adult:

Making it happen:
  • When should I enroll?
  • Do you take last minute registrations?
  • When will new course dates be posted?

You will need the following tools for this class:

  1. Kolrosing Knife from Pinewood Forge ( - $24), also available at the North House School Store
Once registered, students will receive a confirmation packet in the mail that may offer additional optional tool recommendations and suggested reading.
Judy Ritger Judy Ritger

Judy has been rosemaling for over 30 years and has studied with many Norwegian instructors. She has had the privilege of joining three study tours to Norway through Vesterheim Museum, and has earned a Gold Medal in both rosemaling and woodcarving. Her interests in Norwegian craft include kolrosing, chip carving, figure carving, acanthus carving and dragon-style carving. If that weren’t enough, Judy and her husband can boast of 4 children, 13 grandchildren and 8 great-grandchildren, keeping them quite busy all year-round.

More about Judy Ritger
Kolrosing: Decorative Line Carving

Kolrosing: Decorative Line Carving

Kolrosing: Decorative Line Carving