The shrinking of an item up to 70 percent at Open Studio Day is indicated here with a before-and-after display of work by Taylor Martineau of Merrimack. Photo by LORETTA JACKSON

The nozzle of a Nicole Heat Tool is activated by Erin McMann of Hudson to deliver some shrinkage to her colorful dragonfly design. Photo by LORETTA JACKSON

Merrimack artist Tammy Martineau uses the heat tool on shrink film to fashion a lampshade for a doll house. Photo by LORETTA JACKSON

An intricate mandala of crochet stitches is one of the works of fiber art wrought by art teacher Sheri Bulluck, owner of A Fiber in the Woods within Thornton's Landing, 301 Daniel Webster Highway in Merrimack. Photo by LORETTA JACKSON

Art teacher Sheri Bulluck of Nashua, left, and Taylor Martineau of Merrimack use a heating tool to shrink Martineau's palm-sized rendering of a shark into a miniature wearable as a pin. Photo by LORETTA JACKSON

Open Studio Day offered studio owner and art teacher Sheri Bulluck an opportunity to finish a needle felted rendering of a Red-Eyed Tree Frog, a work done in wool of tropical colors. Photo by LORETTA JACKSON

A class in progress at A Fiber in the Woods was a part of the an Open Studio Day that included on May 31 these participants, front row from left, Catherine Flowers of Tewksbury, Mass., Diane Ganong of Groton, Mass., Taylor Martineau and her mother, Tammy Martineau, both of Merrimack, seen here sharing the class with other crafters, back row from left, Laura Vein of Londonderry, Erin McMann of Hudson, Instructor Sheri Bulluck of Nashua, Lynda Hadlock of Manchester and Ingrid Benson of Bedford. Three generations of crafters are represented here by Grandmother Diane Ganong, Daughter Tammy Martineau, and Granddaughter Taylor Martineau. Photo by LORETTA JACKSON

Catherine Flowers of Tewksbury, Mass., sews by hand the seams on a leather purse she made from scratch at Open Studio Day. Photo by LORETTA JACKSON