Making a flared high collar is made simpler thanks to this technical file with its detailed sketches and precise instructions for a full understanding of the method to follow for a top-of-the-range result. This collar is added and sewn to the garment body and flares as it extends upwards on the neck. It is constructed using the classical blouse base pattern (or any other base) as a starting point. Depending on the style aimed at, you can transform this base in different ways. Use this outline in parallel with the following to complete your model: The technical file of the classical blouse base pattern The technical file of the blouse sleeve base pattern The technical file of the simplified blouse sleeve.