With Paint 3D, you can easily transform a freehand sketch into a three-dimensional object.
First, select the 3D objects icon from the top menu. Then on the right menu, scroll down to the 3D doodle tray.
The Sharp edge tool will give your doodle depth, like a cookie cutter, while the Soft edge tool will inflate your sketch into a puffy 3D object.
Create an object by selecting the type of 3D doodle you want. Then, draw a shape in the workspace with your mouse, pen, or touch. Connect the dots to make your doodle 3D!