Creating a 3D object based on Alice in Wonderland could be a lot of fun! You might want to consider something iconic from the story, like the Cheshire Cat's mischievous grin or the Mad Hatter's top hat. Here's a text excerpt from Lewis Carroll's "Alice's Adventures in Wonderland" that describes the Cheshire Cat:
"Would you tell me, please, which way I ought to go from here?"
"That depends a good deal on where you want to get to," said the Cat.
"I don’t much care where—" said Alice.
"Then it doesn’t matter which way you go," said the Cat.
This dialogue captures the whimsical and nonsensical essence of Wonderland. As for a 3D object, envisioning the Cheshire Cat's face or a spinning top hat with vibrant colors and intricate details could make for an impressive 3D impression. Whether it's a digital model or a physical sculpture, playing with the surreal aspects of the story would surely make for an eye-catching piece!