How to cut pants?

First, we determine the size of the finished product:

Waist circumference = 94 cm

Hip circumference (height) =104cm

Standing crotch+waist opening (3.5cm)=25cm.

Downshift =75 (cm)

Foot mouth =24 (cm)

Step 1: Write data

Step 2: Draw six lines.

Step 3: Write the relationship between the six lines.

Step 4: Fill in the data

Step 5: Select points.

Step 6: Connect.

Step 7: Post-painting

1, match the front film with the back film, and get points.

2. Connect the line, connect the oa extension line to the waistline, and connect the ob measurement waistline.

3. Draw the curves of each part with a curve board and a ruler.

4, marking the size

Extended data

pay attention to

(A) pants and relax

1, waist circumference (w)

Generally, men's and women's trousers don't need to be loose, and the crotch is

2. Hip circumference (H)

After calculation (the process is abbreviated), the minimum relaxation of hip circumference is 56cm. I usually add 6-8cm to my underwear. The above is aimed at the woven fabric without nitrogen-containing nylon. If the spandex woven fabric contains more than 5%, you can also add 4 looseness.

(B) About pants province

1, the former province For ladies with big hips and thin waist, it is necessary to add a province to avoid bulging. For most men, the waist difference is not big, so there is no need to add it.

2, the back of provincial men's trousers is generally provincial, with large hips and thin waist. Pants are usually in two provinces.

(3) About standing crotch

Vertical file =25-3.5+ 1=22.5cm is very convenient to use, because the average hip circumference of men and women is 100cm. H/4 is 25cm, so the cut pants will not affect the wearing at all, and the effect is very good.

(4) About the hip circumference

The traditional hip height = crotch /3, and the hip height of people is relatively fixed, regardless of the length of crotch. Therefore, the height of the hip girth line =H/ 16+ 15, which can be directly taken as 8 in general.

(5) About crotch and others.

1, small crotch -H/20-07, adults are generally between 4 and 5 meters.

2. Big crotch =H/ 10+ 1 According to the cut front piece, the point of the hip line of the back crotch is 1.8-2cm, and the point of the back rail line is about 5cm.

(6) About the front and back seams.

1, the front membrane is not added, and the back membrane is added with 4cm.