AnchorPrefabSpawnerUtilities Class

public class FullyCustomAnchorPrefabSpawner : MonoBehaviour
{
    public GameObject Prefab; // A prefab to spawn for each anchor
    public MRUKAnchor.SceneLabels AnchorsToInclude; // The labels of the anchors for which to spawn the prefab

    private void Start()
    {
        MRUK.Instance.RegisterSceneLoadedCallback(() =>
        {
            // Get all anchors in the scene
            var anchors = FindObjectsOfType<MRUKAnchor>();
            // Iterate over each anchor
            foreach (var anchor in anchors)
            {
                // Check if the anchor's labels match the exhibit label
                if ((anchor.Label & AnchorsToInclude) == 0)
                {
                 continue;
                }

                var newPanel = Instantiate(Prefab, anchor.transform);

                // Use AnchorPrefabSpawnerUtilities to scale and position the new panel based on the anchor's volume
                var trs = AnchorPrefabSpawnerUtilities.GetTransformationMatrixMatchingAnchorVolume(anchor, false,
                    true, null);
                newPanel.transform.localPosition = CustomPrefabAlignment(anchor.VolumeBounds.Value, null);
                newPanel.transform.localRotation = trs.rotation;
                newPanel.transform.localScale = trs.lossyScale / 40;
            }
        });
    }

@iverbatim
public Vector3 CustomPrefabAlignment(Bounds anchorVolumeBounds,
    Bounds? prefabBounds)
{
    Vector3 prefabPivot = new();
    if (prefabBounds.HasValue)
    {
        var center = prefabBounds.Value.center;
        var min = prefabBounds.Value.min;
        prefabPivot = new Vector3(center.x, center.z, min.y);
    }

    var anchorVolumePivot = anchorVolumeBounds.center;
    anchorVolumePivot.z = anchorVolumeBounds.max.z;
    anchorVolumePivot.y = anchorVolumeBounds.max.y;
    return anchorVolumePivot - prefabPivot;
}
@endiverbatim
 }