ModelMover.cs

using System;
using UnityEngine;

public class ModelMover : MonoBehaviour
{
    public float smoothTime = 0.3f;
    public Vector3 targetPosition = Vector3.zero;

    private Vector3 currentVelocity = Vector3.zero;

    public void Start()
    {
        targetPosition = transform.localPosition;
    }

    void Update()
    {
        transform.localPosition = Vector3.SmoothDamp(transform.localPosition, targetPosition, ref currentVelocity, smoothTime);
    }
}