Embudo paramétrico en FreeCad

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To create a good design for a spout, it's essential to ensure that it can be easily grasped, features an opening to hang from a hook, and has a peripheral gutter to prevent water from dripping. However, the most critical aspect is designing the spout so that air from the container can escape when water is poured in through the spout. This requires careful design to allow air inside the container to exit freely. To achieve this, it's necessary to create small notches or grooves at the point where the spout meets the neck of the bottle. These notches prevent the spout from completely sealing off the airflow, allowing air to escape as water is poured in.