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Course Information

Description: This course is designed to create confidence with step-by-step videos showing the use of thermal set fabric Fosshape® a felt-like synthetic fabric that when heated is activated and stiffens to hold its shape. Looking as though it's grown from the forrest floor the hat has been shaped using a reusable millinery hat blocks PDF. Learn additional techniques to free form mushrooms, organic shaped foliage and a blue birds nest to trim the hat.
Media Category: Fiber Art
Course Type: Self-directed (refer to the FAQ page for full descriptions of each course type)
Course Format: Full project
Course Begins: March 15, 2022 - Ongoing
Course Duration: No time limit

What will Students learn? Students will learn confidence with the use of thermal set fabric Fosshape ® create a reusable hat block and hat, sized to fit a 16 or 17 inch doll with the head circumference of 5 ½'' Additional techniques in painting and creating free form mushrooms, organic shaped foliage and a blue birds nest to trim the hat.
Instructor/Students interaction: Answer questions via emails
Skill Level: All levels welcome
Required skill(s): No special skills required

Supplies and tools: 

  • Variable temperature heat gun
  • iron with steam
  • silicone mat or baking paper
  • scissors, pins
  • wire pet comb
  • long metal tweezers
  • flathead screwdriver
  • metal rod 3mm + 5mm + 8mm diameter
  • awl tool, lead pencil
  • paint brush small & medium,
  • heat-resistant wooden board
  • glue stick, tacky craft glue
  • ball styles medium


  • FOSSHAPE® 20cm x 20cm
  • lightweight card
  • 26 + 30 gauge wire
  • masking tape
  • PAINT: moss green, purple, oyster, raw sienna, gold, burgundy, olive green

Downloads: PDF Patterns

Course Curriculum

    1. How to Print

    2. Hat Block Patterns

    3. Shaping the Hat Block

    4. Joining the Block

    1. Iron Cover

    2. Shaping the Point

    3. Preparing the Fabric

    4. Heat Setting

    5. Refining the Shape

    1. The Base Colour

    2. Ombre over the Brim

    3. Meeting in the Middle

    1. Mushrooms

    2. Tendrils

    3. Foliage

    4. Completing

About this course

  • $45.00
  • 19 lessons
  • 1 hour of video content
  • PDF downolads


Catherine Mather

Porcelain - Mixed Media

Australian based figurative artist Catherine Mather started sewing at the age 5, and never looked back. Graduating from N.S.W Fashion Collage before spending a decade designing and fabricating masquerade costumes. Eventually fell into doll making in the late 1980’s, working with traditional fired porcelain and perfecting her techniques to develop ¼ life dolls. A passion for historical fashion and petite garment-making has evolved over the years with a vast knowledge of era appropriate costuming and the methods required to achieve that perfect ensemble. Known for teaching hands-on workshops, sharing clever ideas for makers of all levels and now on your computer or mobile device with NIADA.

VISIT: Catherine Mather Portfolio