阅读说明：本技术 一种男西裤的制版方法 (Method for making male trousers ) 是由 王文星 孙丽霞 于 2020-11-30 设计创作，主要内容包括：本发明涉及一种男西裤的制版方法,包括裤前片的制版方法步骤和裤后片的制版方法步骤；本发明根据人体造型的特点,调整后裆斜度和后翘翘度,使样版更加符合人体结构特点,在保证活动量的前提下更符合人体臀部造型；精确前、后裤片的倾斜量的比例,使样版符合人体结构特点,解决了裤外缝出斜绺的问题,满足审美要求。(The invention relates to a method for making a plate of men's western style trousers, comprising a method step for making a plate of a trousers front piece and a method step for making a plate of a trousers rear piece; according to the characteristics of the human body shape, the back crotch inclination and the back warping degree are adjusted, so that the template is more in line with the characteristics of the human body structure, and is more in line with the human body hip shape on the premise of ensuring the activity; the proportion of the inclination of the front and the back trousers pieces is accurate, so that the template conforms to the structural characteristics of a human body, the problem of oblique locks formed by sewing the trousers outside is solved, and the aesthetic requirement is met.)

1. A method for making male trousers for men, which is characterized in that the method comprises a method for making a front trousers piece and a method for making a back trousers piece:

the plate making method of the trouser front sheet comprises the following steps:

step one, making a horizontal line ab, making a vertical line ac of the ab upwards through a point a, making a parallel line cd of the ab through a point c, wherein ab = cd, and connecting bd, and bd is perpendicular to ab, bd/ac; ab length is the length of trousers and the width of waist, and ac length is hip size/4-1 cm;

step two, making parallel lines fe of the ac line on the right side of the ac line, wherein the parallel lines fe are intersected with the ab line at a point f and are intersected with the cd line at a point e, so that fe is a hip line, and the horizontal distance between the ac line and the fe line is [ (rise depth-waist width)/3 ]. x 2;

making a parallel line hg of the ac line on the right side of the fe line, crossing the hg line with the ab line at a point h and crossing the cd line with a point g, wherein the hg is a rise depth line, and the horizontal distance between the ac line and the hg line is rise depth-waist width;

making a parallel line ji of the fe line on the right side of the hg line, crossing the ji line with the ab line at the j point, and crossing the cd line with the i point, wherein ji is a peripheral line of the front knee, and the horizontal distance between the ji line and the fe line is ed/2-4 cm;

making a parallel line kl of the ab line and the cd line between the ab line and the cd line, wherein the kl line is intersected with the ac line at a point k, the bd line is intersected with a line segment point l, the ji line is intersected with a point n, the kl is a front trouser patch ironing line, the point k is the midpoint of the ac line, the point l is the midpoint of the bd line, and the point n is the midpoint of the ji line;

thirdly, making a parallel line qr of the cd line between the kl line and the cd line, crossing the qr line with the ac line at a point q, crossing the fe line at a point o, and crossing the hg line at a point r; the vertical distance between the qr line and the cd line is 3 cm; taking an intersection point u along a point q, wherein the intersection point u faces to the foot mouth direction by vertically downward 1cm and horizontally rightward 0.5 cm;

making a parallel line st of the ab line 3cm below the ab line, intersecting an extension line of the ca line with the st line at a point s, intersecting an extension line of the ef line with the st line at a point p, intersecting an extension line of the gh line with the st line at a point t, and taking a point x on the ht line, wherein tx =1 cm;

taking an intersection point w along the direction of the s point which is vertically upward 1cm and horizontally leftward 0.5cm far away from the foot mouth; the arc line is smoothly connected with wu;

a front dart (1) is arranged on the arc wu;

step four, taking points z and y on a bd line, enabling zl = yl, and enabling the length of a zy line to be the length of the foot mouth/2-1 cm;

point A, m is taken on the ji line, so that An = mn, and the length of the Am line is the foot-mouth length/2 +3 cm;

extending hg vertically upwards to a point v, wherein the length of a vr line is 4.5 cm;

step five, connecting uo, my and Az in a straight line; smoothly connecting ov, vm, wp and pxA by an arc; then uovmyzAxpw is the front piece template of the trousers;

the plate making method of the pants back sheet comprises the following steps:

step one, making a horizontal line a₁b₁A is passing through₁Pointing upwards as a₁b₁Perpendicular line a of₁c₁C to c₁Point as a₁b₁Parallel line c of₁d₁，a₁b₁=c₁d₁And is connected to b₁d₁And b is₁d₁⊥a₁b₁，b₁d₁∥a₁c₁； a₁b₁The length is the length of the trousers reduced by the width of the waist, a₁c₁The length of the hip circumference is 4+1 cm;

step two, making a₁c₁Parallel lines of lines with a₁b₁Line crosses over f₁Points, and c₁d₁Line is crossed with e₁At a point of, then f₁e₁Is the posterior hip line, a₁c₁Line and f₁e₁The horizontal distance of the thread is [ (crotch depth-waist width)/3]*2；

At f₁e₁The right side of the line is taken as a₁c₁Parallel lines h of lines₁g₁，h₁g₁Line intersection a₁b₁Line on h₁Dot and cross₁d₁Line in g₁Point, then h₁g₁Is a rise of the crotch depth line, a₁c₁Line and h₁g₁The horizontal distance of the line is the rise depth-waist width;

at h₁g₁Right side of line as f₁e₁Parallel lines j of lines₁i₁, j₁i₁Line intersection a₁b₁Line at j₁Dot and cross₁d₁Line at i₁Point, then j₁i₁The line is the anterior knee line, j₁i₁Line and f₁e₁Horizontal distance of line e₁d₁/2-4cm；

At a₁b₁Line and c₁d₁Between the lines as a₁b₁And c₁d₁Parallel line k of₁l₁，k₁l₁Line intersection a₁c₁Line at k₁Dot and cross₁d₁On line segment l₁Dot and cross₁i₁Line in m₁Point, then point k₁Is a₁c₁Middle point of line, point l₁Is b is₁d₁Midpoint of line, point m₁Is j₁i₁The midpoint of the line; k is a radical of₁l₁The rear trouser piece ironing line;

step three, at k₁l₁Line and c₁d₁Between the lines as c₁d₁Parallel lines n of lines₁o₁， n₁o₁Line intersection a₁c₁Line on n₁Dot and cross₁e₁Line on p₁Dot and cross₁g₁At line o₁Point; n is₁o₁Line and c₁d₁The vertical distance of the line is 4 cm; along n₁The point is vertically downwards 2.5cm and leftwards 3.5cm and is taken in the direction far away from the foot mouth₁；

Connection z₁p₁, z₁p₁Line and n₁p₁The included angle of the lines is 8 degrees;

at a₁b₁The lower 4cm of the line is taken as a₁b₁Parallel lines q of lines₁r₁，c₁a₁Intersection of the extension lines of the lines q₁r₁Line at q₁Point, e₁f₁Intersection of the extension lines of the lines q₁r₁Line at s₁Point, g₁h₁Intersection of the extension lines of the lines q₁r₁Line on r₁Point at h₁r₁Taking point B on line₁；

Along q₁Taking point A in the direction that the point is vertically upward 1cm and leftwards 0.5cm away from the foot mouth₁Is connected to Z₁A₁，Z₁A₁The length of the line is waist/4 +5 cm; at Z₁A₁The rear seam is saved after the thread is arranged;

step four, in step b₁d₁Taking point t on line₁、u₁Let t be₁l=u₁l₁And u is₁t₁The length of the line is the length of the foot opening/2 +1 cm;

at j₁i₁Taking point w on line₁、v₁Let w₁m₁=v₁m₁And the length of the wv line is the length of the foot opening/2 +5 cm;

h is to be₁g₁Extend vertically upwards to x₁Point, x₁o₁The length of the thread is hip circumference/10-1 cm;

passing point x₁Making a horizontal line x₁y₁Let x be₁y₁=1 cm；

Step five, connecting v linearly₁t₁And w₁u₁(ii) a Smoothly connecting p by arc line₁y₁、y₁v₁、A₁s₁And s₁w₁Arc s₁w₁And r₁h₁Handed over to B₁Point;

then Z₁p₁y₁v₁t₁u₁w₁B₁s₁A₁Is a sample plate of the trousers back piece.

2. A method for making men's western-style trousers according to claim 1, wherein the manufacturing method of the front dart (1) is as follows:

the parallel line BC to the kl line segment, BC line and wu line intersect at point B, the perpendicular distance between BC line and kl line is 3.0cm, BC =8.5cm, point D, E is taken on the wu line along both sides of point B, DB = EB, DC and EC are connected.

3. The method for making men's western-style trousers according to claim 1, wherein the back dart comprises a back dart a (2) and a back dart B (3);

the method for making the rear seam A (2): at Z₁A₁Two points on line F₁、E₁， E₁C₁=F₁C₁=1cm, as Z₁A₁Perpendicular line C of line₁D₁，C₁D₁Is 9.5cm in length, is connected to₁D₁Connection F₁D₁；

The method for making the rear seam B (3): at Z₁A₁Two points on the line I₁、J₁Line segment I₁G₁=J₁G₁=1cm, as Z₁A₁Perpendicular G of the line₁H₁， G₁H₁Is 7.5cm in length, connection I₁H₁Connection J₁H₁；

Z₁C₁= C₁G₁= A₁G₁。

Technical Field

The invention relates to a method for making male trousers, belonging to the technical field of clothing.

Background

With the progress of the times, the demand of people on the model of trousers is also changed, and the trousers are required to be more beautiful, fit and comfortable. The positions of the hip and the leg of the men's western-style trousers are cumbersome due to the fact that the back trousers pieces are too large; because the inclination of the front and the back trousers pieces does not conform to the human body, the outer seam of the trousers is easy to have the phenomenon of inclined silk lock when the trousers are worn, thereby not only not fitting but also affecting the beauty.

Disclosure of Invention

The invention aims to provide a method for making men's western style trousers conforming to the structural characteristics of human bodies.

The invention adopts the following technical scheme:

the invention relates to a method for making a plate of men's western style trousers, which comprises a method for making a plate of a trousers front piece and a method for making a plate of a trousers rear piece, wherein the method comprises the following steps:

the plate making method of the trouser front sheet comprises the following steps:

step one, making a horizontal line ab, making a vertical line ac of the ab upwards through a point a, making a parallel line cd of the ab through a point c, wherein ab = cd, and connecting bd, and bd is perpendicular to ab, bd/ac; ab length is the length of trousers and the width of waist, and ac length is hip size/4-1 cm;

step two, making parallel lines fe of the ac line on the right side of the ac line, wherein the parallel lines fe are intersected with the ab line at a point f and are intersected with the cd line at a point e, so that fe is a hip line, and the horizontal distance between the ac line and the fe line is [ (rise depth-waist width)/3 ]. x 2; making a parallel line hg of the ac line on the right side of the fe line, crossing the hg line with the ab line at a point h and crossing the cd line with a point g, wherein the hg is a rise depth line, and the horizontal distance between the ac line and the hg line is rise depth-waist width; making a parallel line ji of the fe line on the right side of the hg line, crossing the ji line with the ab line at the j point, crossing the cd line with the i point, wherein ji is a front knee line, and the horizontal distance between the ji line and the fe line is ed/2-4 cm; making a parallel line kl of the ab line and the cd line between the ab line and the cd line, wherein the kl line is intersected with the ac line at a point k, the bd line is intersected with a line segment point l, the ji line is intersected with a point n, the kl is a front trouser patch ironing line, the point k is the midpoint of the ac line, the point l is the midpoint of the bd line, and the point n is the midpoint of the ji line;

thirdly, making a parallel line qr of the cd line between the kl line and the cd line, crossing the qr line with the ac line at a point q, crossing the fe line at a point o, and crossing the hg line at a point r; the vertical distance between the qr line and the cd line is 3 cm; taking an intersection point u along a point q, wherein the intersection point u faces to the foot mouth direction by vertically downward 1cm and horizontally rightward 0.5 cm; making a parallel line st of the ab line 3cm below the ab line, intersecting an extension line of the ca line with the st line at a point s, intersecting an extension line of the ef line with the st line at a point p, intersecting an extension line of the gh line with the st line at a point t, and taking a point x on the ht line, wherein tx =1 cm; taking an intersection point w along the direction of the s point which is vertically upward 1cm and horizontally leftward 0.5cm far away from the foot mouth; the arc line is smoothly connected with wu; a front seam is arranged on the arc wu;

step four, taking points z and y on a bd line, enabling zl = yl, and enabling the length of a zy line to be the length of the foot mouth/2-1 cm; point A, m is taken on the ji line, so that An = mn, and the length of the Am line is the foot-mouth length/2 +3 cm; extending hg vertically upwards to a point v, wherein the length of a vr line is 4.5 cm;

step five, connecting uo, my and Az in a straight line; smoothly connecting ov, vm, wp and pxA by an arc; then uovmyzAxpw is the front piece template of the trousers;

the plate making method of the pants back sheet comprises the following steps:

step one, making a horizontal line a₁b₁A is passing through₁Pointing upwards as a₁b₁Perpendicular line a of₁c₁C to c₁Point as a₁b₁Parallel line c of₁d₁，a₁b₁=c₁d₁And is connected to b₁d₁And b is₁d₁⊥a₁b₁，b₁d₁∥a₁c₁； a₁b₁The length is the length of the trousers reduced by the width of the waist, a₁c₁The length of the hip circumference is 4+1 cm;

step two, making a₁c₁Parallel lines of lines with a₁b₁Line crosses over f₁Points, and c₁d₁Line is crossed with e₁At a point of, then f₁e₁Is the posterior hip line, a₁c₁Line and f₁e₁The horizontal distance of the thread is [ (crotch depth-waist width)/3]2; at f₁e₁The right side of the line is taken as a₁c₁Parallel lines h of lines₁g₁，h₁g₁Line intersection a₁b₁Line on h₁Dot and cross₁d₁Line in g₁Point, then h₁g₁Is a rise of the crotch depth line, a₁c₁Line and h₁g₁The horizontal distance of the line is the rise depth-waist width; at h₁g₁Right side of line as f₁e₁Parallel lines j of lines₁i₁, j₁i₁Line intersection a₁b₁Line at j₁Dot and cross₁d₁Line at i₁Point, then j₁i₁The line is the anterior knee line, j₁i₁Line and f₁e₁Horizontal distance of line e₁d₁2-4 cm; at a₁b₁Line and c₁d₁Between the lines as a₁b₁And c₁d₁Parallel line k of₁l₁，k₁l₁Line intersection a₁c₁Line at k₁Dot and cross₁d₁On line segment l₁Dot and cross₁i₁Line in m₁Point, then point k₁Is a₁c₁Middle point of line, point l₁Is b is₁d₁Midpoint of line, point m₁Is j₁i₁The midpoint of the line; k is a radical of₁l₁The rear trouser piece ironing line;

step three, at k₁l₁Line and c₁d₁Between the lines as c₁d₁Parallel lines n of lines₁o₁， n₁o₁Line intersection a₁c₁Line on n₁Dot and cross₁e₁Line on p₁Dot and cross₁g₁At line o₁Point; then n is₁o₁Line and c₁d₁The vertical distance of the line is 4 cm; along n₁The point is vertically downwards 2.5cm and leftwards 3.5cm and is taken in the direction far away from the foot mouth₁(ii) a Connection z₁p₁, z₁p₁Line and n₁p₁The included angle of the lines is 8 degrees; at a₁b₁The lower 4cm of the line is taken as a₁b₁Parallel lines q of lines₁r₁，c₁a₁Intersection of the extension lines of the lines q₁r₁Line at q₁Point, e₁f₁Intersection of the extension lines of the lines q₁r₁Line at s₁Point, g₁h₁Intersection of the extension lines of the lines q₁r₁Line on r₁Point at h₁r₁Taking point B on line₁(ii) a Along q₁Taking point A in the direction that the point is vertically upward 1cm and leftwards 0.5cm away from the foot mouth₁Is connected to Z₁A₁，Z₁A₁The length of the line is waist/4 +5 cm; at Z₁A₁The rear seam is saved after the thread is arranged;

step four, in step b₁d₁Taking point t on line₁、u₁Let t be₁l=u₁l₁And u is₁t₁The length of the line is the length of the foot opening/2 +1 cm; at j₁i₁Taking point w on line₁、v₁Let w₁m₁=v₁m₁And the length of the wv line is the length of the foot opening/2 +5 cm; h is to be₁g₁Extend vertically upwards to x₁Point, x₁o₁The length of the thread is hip circumference/10-1 cm; passing point x₁Making a horizontal line x₁y₁Let x be₁y₁=1 cm；

Step five, connecting v linearly₁t₁And w₁u₁(ii) a Smoothly connecting p by arc line₁y₁、y₁v₁、A₁s₁And s₁w₁Arc s₁w₁And r₁h₁Handed over to B₁Point; then Z₁p₁y₁v₁t₁u₁w₁B₁s₁A₁Is a sample plate of the trousers back piece.

The manufacturing method of the anterior dart comprises the following steps:

the parallel line BC to the kl line segment, BC line and wu line intersect at point B, the perpendicular distance between BC line and kl line is 3.0cm, BC =8.5cm, point D, E is taken on the wu line along both sides of point B, DB = EB, DC and EC are connected.

The rear seam-saving structure comprises a rear seam-saving structure A and a rear seam-saving structure B;

and (3) making a rear seam A: at Z₁A₁Two points on line F₁、E₁， E₁C₁=F₁C₁=1cm, as Z₁A₁Perpendicular line C of line₁D₁，C₁D₁Is 9.5cm in length, is connected to₁D₁Connection F₁D₁；

The method for making the rear seam B (3): at Z₁A₁Two points on the line I₁、J₁Line segment I₁G₁=J₁G₁=1cm, as Z₁A₁Perpendicular G of the line₁H₁， G₁H₁Is 7.5cm in length, connection I₁H₁Connection J₁H₁；Z₁C₁= C₁G₁= A₁G₁。

The invention has the following positive effects: according to the characteristics of the human body shape, the back crotch inclination and the back warping degree are adjusted, so that the template is more in line with the characteristics of the human body structure, and is more in line with the human body hip shape on the premise of ensuring the activity; the proportion of the inclination of the front and the back trousers pieces is accurate, so that the template conforms to the structural characteristics of a human body, the problem of oblique locks formed by sewing the trousers outside is solved, and the aesthetic requirement is met.

Drawings

FIG. 1 is a schematic diagram of a plate making structure of a front piece of a pants in accordance with the present invention;

FIG. 2 is a schematic diagram of a plate making structure of the back piece of the pants of the present invention.

Detailed Description

The invention relates to a method for making a plate of men's western style trousers, which comprises a method for making a plate of a trousers front piece and a method for making a plate of a trousers rear piece, wherein the method comprises the following steps:

as shown in the attached figure 1, the plate making method of the trouser front sheet adopts the following steps:

step one, making a horizontal line ab, making a vertical line ac of the ab upwards through a point a, making a parallel line cd of the ab through a point c, wherein ab = cd, and connecting bd, and bd is perpendicular to ab, bd/ac; ab length is the length of trousers and the width of waist, and ac length is hip size/4-1 cm;

step two, making parallel lines fe of the ac line on the right side of the ac line, wherein the parallel lines fe are intersected with the ab line at a point f and are intersected with the cd line at a point e, if fe is a hip line, then the horizontal distance between the ac line and the fe line is [ (rise depth-waist width)/3 ]. x 2; making a parallel line hg of the ac line on the right side of the fe line, crossing the hg line with the ab line at a point h and crossing the cd line with a point g, wherein the hg is a rise depth line, and the horizontal distance between the ac line and the hg line is rise depth-waist width; making a parallel line ji of the fe line on the right side of the hg line, crossing the ji line with the ab line at the j point, crossing the cd line with the i point, wherein ji is a front knee line, and the horizontal distance between the ji line and the fe line is ed/2-4 cm; making a parallel line kl of the ab line and the cd line between the ab line and the cd line, wherein the kl line is intersected with the ac line at a point k, the bd line is intersected with a line segment point l, the ji line is intersected with a point n, the kl is a front trouser patch ironing line, the point k is the midpoint of the ac line, the point l is the midpoint of the bd line, and the point n is the midpoint of the ji line;

thirdly, making a parallel line qr of the cd line between the kl line and the cd line, crossing the qr line with the ac line at a point q, crossing the fe line at a point o, and crossing the hg line at a point r; the vertical distance between the qr line and the cd line is 3 cm; taking an intersection point u along a point q, wherein the intersection point u faces to the foot mouth direction by vertically downward 1cm and horizontally rightward 0.5 cm; making a parallel line st of the ab line 3cm below the ab line, intersecting an extension line of the ca line with the st line at a point s, intersecting an extension line of the ef line with the st line at a point p, intersecting an extension line of the gh line with the st line at a point t, and taking a point x on the ht line, wherein tx =1 cm; taking an intersection point w along the direction of the s point which is vertically upward 1cm and horizontally leftward 0.5cm far away from the foot mouth; the arc line is smoothly connected with wu; a front dart 1 is arranged on the arc wu;

the inclination of the front piece of the trousers is adjusted to be 3cm, so that the template type conforms to the structure of a human body, and the phenomenon that inclined silk locks appear at the outer side seams of the trousers when the finished trousers are worn is avoided;

step four, taking points z and y on a bd line, enabling zl = yl, and enabling the length of a zy line to be the length of the foot mouth/2-1 cm; point A, m is taken on the ji line, so that An = mn, and the length of the Am line is the foot-mouth length/2 +3 cm; extending hg vertically upwards to a point v, wherein the length of a vr line is 4.5 cm; step five, connecting uo, my and Az in a straight line; smoothly connecting ov, vm, wp and pxA by an arc; then uovmyzAxpw is the front piece template of the trousers;

as shown in fig. 2, the plate making method of the back piece of the pants adopts the following steps:

step one, making a horizontal line a₁b₁A is passing through₁Pointing upwards as a₁b₁Perpendicular line a of₁c₁C to c₁Point as a₁b₁Parallel line c of₁d₁，a₁b₁=c₁d₁And is connected to b₁d₁And b is₁d₁⊥a₁b₁，b₁d₁∥a₁c₁； a₁b₁The length is the length of the trousers reduced by the width of the waist, a₁c₁The length of the hip circumference is 4+1 cm;

step two, making a₁c₁Of wiresParallel lines with a₁b₁Line crosses over f₁Points, and c₁d₁Line is crossed with e₁At a point of, then f₁e₁Is the posterior hip line, a₁c₁Line and f₁e₁The horizontal distance of the thread is [ (crotch depth-waist width)/3]2; at f₁e₁The right side of the line is taken as a₁c₁Parallel lines h of lines₁g₁，h₁g₁Line intersection a₁b₁Line on h₁Dot and cross₁d₁Line in g₁Point, then h₁g₁Is a rise of the crotch depth line, a₁c₁Line and h₁g₁The horizontal distance of the line is the rise depth-waist width; at h₁g₁Right side of line as f₁e₁Parallel lines j of lines₁i₁, j₁i₁Line intersection a₁b₁Line at j₁Dot and cross₁d₁Line at i₁Point, then j₁i₁The line is the anterior knee line, j₁i₁Line and f₁e₁Horizontal distance of line e₁d₁2-4 cm; at a₁b₁Line and c₁d₁Between the lines as a₁b₁And c₁d₁Parallel line k of₁l₁，k₁l₁Line intersection a₁c₁Line at k₁Dot and cross₁d₁On line segment l₁Dot and cross₁i₁Line in m₁Point, then point k₁Is a₁c₁Middle point of line, point l₁Is b is₁d₁Midpoint of line, point m₁Is j₁i₁The midpoint of the line; k is a radical of₁l₁The rear trouser piece ironing line;

step three, at k₁l₁Line and c₁d₁Between the lines as c₁d₁Parallel lines n of lines₁o₁， n₁o₁Line intersection a₁c₁Line on n₁Dot and cross₁e₁Line on p₁Dot and cross₁g₁At line o₁Point; then n is₁o₁Line and c₁d₁The vertical distance of the line is 4 cm; along n₁The point is vertically downwards 2.5cm and leftwards 3.5cm and is taken in the direction far away from the foot mouth₁(ii) a Connection z₁p₁, z₁p₁Line and n₁p₁The included angle of the lines is 8 degrees; at a₁b₁The lower 4cm of the line is taken as a₁b₁Parallel lines q of lines₁r₁，c₁a₁Intersection of the extension lines of the lines q₁r₁Line at q₁Point, e₁f₁Intersection of the extension lines of the lines q₁r₁Line at s₁Point, g₁h₁Intersection of the extension lines of the lines q₁r₁Line on r₁Point at h₁r₁Taking point B on line₁(ii) a Along q₁Taking point A in the direction that the point is vertically upward 1cm and leftwards 0.5cm away from the foot mouth₁Is connected to Z₁A₁，Z₁A₁The length of the line is waist/4 +5 cm; at Z₁A₁The rear seam is saved after the thread is arranged;

the inclined amount of the trousers piece is adjusted to be 4cm in the steps, so that the template type conforms to the structure shape of a human body, and the phenomenon that inclined silks are strung at the outer side seam of the finished trousers when the finished trousers are worn is avoided.

Step four, in step b₁d₁Taking point t on line₁、u₁Let t be₁l=u₁l₁And u is₁t₁The length of the line is the length of the foot opening/2 +1 cm; at j₁i₁Taking point w on line₁、v₁Let w₁m₁=v₁m₁And the length of the wv line is the length of the foot opening/2 +5 cm; h is to be₁g₁Extend vertically upwards to x₁Point, x₁o₁The length of the thread is hip circumference/10-1 cm; passing point x₁Making a horizontal line x₁y₁Let x be₁y₁=1cm；

In the third and fourth steps, the angle of inclination of the back crotch is adjusted to be 8 degrees, and the bending depth of the back crotch is adjusted to be x₁o₁The length of the line is hip circumference/10-1 cm, and the backward warping amount is 3.5 cm; make the template more fit the structure of human bodyThe model reduces the redundant quantity of the back hip part and the back leg part, and the utility model is beautiful and fit;

step five, connecting v linearly₁t₁And w₁u₁(ii) a Smoothly connecting p by arc line₁y₁、y₁v₁、A₁s₁And s₁w₁Arc s₁w₁And r₁h₁Handed over to B₁Point; then Z₁p₁y₁v₁t₁u₁w₁B₁s₁A₁Is a sample plate of the trousers back piece.

The manufacturing method of the front dart 1 of the invention is as follows: the parallel line BC to the kl line segment, BC line and wu line intersect at point B, the perpendicular distance between BC line and kl line is 3.0cm, BC =8.5cm, point D, E is taken on the wu line along both sides of point B, DB = EB, DC and EC are connected. The rear seam comprises a rear seam A2 and a rear seam B3; the process of the rear dart A2: at Z₁A₁Two points on line F₁、E₁， E₁C₁=F₁C₁=1cm, as Z₁A₁Perpendicular line C of line₁D₁，C₁D₁Is 9.5cm in length, is connected to₁D₁Connection F₁D₁(ii) a And (3) making a rear seam B3: at Z₁A₁Two points on the line I₁、J₁Line segment I₁G₁=J₁G₁=1cm, as Z₁A₁Perpendicular G of the line₁H₁， G₁H₁Is 7.5cm in length, connection I₁H₁Connection J₁H₁(ii) a And Z is₁C₁= C₁G₁= A₁G₁。

According to the characteristics of the human body shape, the back crotch inclination and the back warping degree are adjusted, so that the template is more in line with the characteristics of the human body structure, and is more in line with the human body hip shape on the premise of ensuring the activity; the proportion of the inclination of the front and the back trousers pieces is accurate, so that the template conforms to the structural characteristics of a human body, the problem of oblique locks formed by sewing the trousers outside is solved, and the aesthetic requirement is met.

Finally, the above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.