The precise instructions and meticulous attention to detail of this technical file will help you make a quality tailored jacket base pattern (3 pieces). Written explanations and accompanying sketches illustrate the method to follow step by step for a full understanding of this model and a top-of-the-range result, in the size of your choice. Constructed using the exact measurements of the future wearer, the volume of this model is defined from the bust down to large hips and ease value is added so that this base becomes an outer garment (a shirt or jumper can be worn under it). This tailored jacket is made up of three pieces: a front, back and side piece. The tailored sleeve and collar can be adapted to it and this base can be used to make many other models, tailored jackets and coats. You can use this technical file in association with: The technical file of the tailored sleeve base pattern The technical file of the puffed sleeve The technical file of the tailored collar The technical file of the shawl collar The technical file of lining.