The phrase "held its shape" is correct and can be used in written English.
For example, "The dough held its shape as the baker rolled it out on the floured surface."
They created marvels out of crusty lace and gazar that held its shape like whipped egg white.
Little survived the blast, or the subsequent fires, but what is now called the A-Bomb Dome held its shape.
All night, Germany's defensive line steadily held its shape and recovered quickly when the United States made dangerous advances.
It looked perfectly contemporary, but Dior did some of his greatest work in the same fabric: a glossy, malleable black satin that held its shape like meringue.
But the pasta in Marian's had definably crispy edges, held its shape better and claimed more of a presence in the dish.
It was the most expensive place I visited but the clear winner, with a lovely rich flavour to the coffee, warm and soothing milk, crisp foam that held its shape and a generous dusting of cocoa.
Like, it's flexible like any fabric, but once you run a charge through it it holds its shape?
Dress-weight cotton is best and with interfacing it holds its shape beautifully.
How can you possibly bake in paper without something metal to help it hold its shape?
It holds its shape better once cold, too: perfect for cutting into fat wedges for picnics.
Displayed on the floor, it holds its shape in stiff peaks that bring to mind topographical maps.
