There are multiple ways to create solid geometry in Fusion. This tutorial shows you how to create a solid shovel from surface bodies, starting from sketch lines and curves.
In this tutorial, you
Set up the project with appropriate units
Create surfaces from sketch lines and curves
Trim unwanted surfaces to create the shovel design
Create the solid shovel from the surfaces and apply a plastic material.
Shovel design sketches with handle (left), and Solid model shovel made with ABS Plastic (right).