Inventory2/objects/Item.cs

public partial class Item : RigidBody3D
{
	[Export] public Vector3I Size { get; set; }

	public virtual Node3D Model
		=> GetNode<Node3D>("Model");

	public override void _Ready()
	{
		// TODO: Find a better way to better import models with colliders.
		// TODO: Import items dynamically at runtime?
		// TODO: Use PostImport tool script?
		foreach (var body in FindChildren("*", "StaticBody3D").Cast<StaticBody3D>()) {
			foreach (var shape in body.GetChildren().OfType<CollisionShape3D>()) {
				body.RemoveChild(shape);
				AddChild(shape);
			}
			body.GetParent().RemoveChild(body);
		}

		// Set the collision properties here so we don't have to specify them in each item scene separately.
		CollisionLayer = (uint)(PhysicsLayer.Item | PhysicsLayer.Interactable);
		CollisionMask  = (uint)(PhysicsLayer.Static | PhysicsLayer.Dynamic | PhysicsLayer.Player | PhysicsLayer.Item);

		Freeze = FindParent("Grid") != null;
	}
}