How To Make Your Own Patterns For Sewing: Step-by-Step

Making your own sewing patterns can feel like a big task. But it’s a fun way to create clothes that fit you just right. It lets you design exactly what you want to wear. You might ask, “Can I really make my own patterns?” Yes, you can! This guide will show you how to start with sewing pattern drafting and pattern making from scratch. We’ll cover how to make a sloper, take body measurements for patterns, and use pattern making tools. This helps you make custom fit sewing patterns and DIY clothing patterns.

Creating your own pattern means starting with a simple shape that fits your body. This shape is often called a “sloper” or a “basic block”. What is a sloper? A sloper is a basic, fitted pattern without any style details like gathers, pleats, or flares. It’s like a second skin made from paper. It fits your body perfectly. You use this sloper to create any fashion design you can dream up. Basic block pattern making is the start of most fashion design pattern making.

Let’s dive into how to make your own patterns.

How To Make Your Own Patterns For Sewing
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Gathering Your Pattern Making Tools

You need a few key things to start sewing pattern drafting. These pattern making tools help you measure, draw, and shape your patterns. Having the right tools makes the job much easier and more exact.

Here are the tools you will need:

Pattern paper: This paper is wide and easy to draw on. It’s see-through enough to trace lines. Craft paper or even medical paper rolls work well.
Measuring tape: Get a flexible one that is 60 inches long. You need it to measure your body and the paper.
Rulers:
- A long straight ruler (like 36 inches or 1 meter).
- A clear ruler with a grid (like 2×18 inches). This helps line things up.
- A curved ruler or French curve set. These help you draw smooth curves for necklines, armholes, and hips.
Pencils: Use mechanical pencils or sharp pencils. You need thin, clear lines.
Eraser: For fixing mistakes.
Paper scissors: These are just for cutting paper. Don’t use your fabric scissors! Paper makes fabric scissors dull.
Tape: Clear tape helps stick pattern pieces together or fix tears.
Push pins or pattern weights: To hold the paper in place while you draw.
Notebook and pen: To write down your measurements and notes.

Using these pattern making tools correctly is important for getting a good pattern that leads to custom fit sewing patterns.

Taking Accurate Body Measurements for Patterns

The most important part of pattern making from scratch is getting the right measurements. Body measurements for patterns must be exact. They are the numbers you use to draw your basic block pattern making shapes. Think of them as the building blocks.

Have a friend help you take your measurements. Wear clothes that are tight or just your underwear. Stand naturally. Don’t pull the tape measure too tight or leave it too loose.

Here are the key measurements you need for a basic bodice and skirt sloper:

Bust: Measure around the fullest part of your chest. Keep the tape straight across your back.
Waist: Measure around the smallest part of your waist. This is usually near your belly button.
Hips: Measure around the fullest part of your hips and bottom.
Back Waist Length: Measure from the bone at the back of your neck (the one that sticks out when you tilt your head forward) down to your natural waistline.
Front Waist Length: Measure from the top of your shoulder, where it meets your neck, straight down over the fullest part of your bust to your natural waistline.
Shoulder Width: Measure from the tip of one shoulder across to the tip of the other shoulder. This is the back shoulder width.
Arm Length: Measure from the tip of your shoulder down to your wrist bone. Bend your elbow slightly.
Bicep: Measure around the fullest part of your upper arm.
Across Back: Measure across your back, about 4-5 inches down from your neck bone. This is usually between the back of your armholes.
Across Chest: Measure across the front of your chest, about 3-4 inches down from the dip at the base of your neck. This is usually between the front of your armholes.
Neck: Measure around the base of your neck.
High Bust: Measure around your chest just above the fullest part of your bust. This helps find your correct cup size for pattern adjustments.
Skirt Length: Measure from your natural waistline down to where you want the hem of your skirt to be.
Full Length (Optional but good): Measure from the bone at the back of your neck down to the floor. This helps check other vertical measurements.

Write all your measurements down carefully in your notebook. Double-check them if you can. Exact numbers are super important for getting custom fit sewing patterns.

Here is a simple table to list your measurements:

Measurement	Number (inches)	Notes
Bust		Around fullest part
Waist		Around smallest part
Hips		Around fullest part
Back Waist Length		Neck bone to waist
Front Waist Length		Shoulder to waist over bust
Shoulder Width		Tip of shoulder to tip of shoulder
Arm Length		Shoulder to wrist (elbow slightly bent)
Bicep		Around fullest part of upper arm
Across Back		Across upper back between armholes
Across Chest		Across upper chest between armholes
Neck		Around base of neck
High Bust		Above fullest part of bust
Skirt Length		Waist to desired hem
Full Length		Back neck bone to floor

Keep this chart handy. You will use these numbers a lot when you start sewing pattern drafting.

Making a Basic Bodice Block (Sloper)

Now, let’s start how to make a sloper. We’ll begin with a basic bodice block. This block is usually made as two pieces: a front and a back. It fits snugly, like a plain t-shirt without sleeves. This is a core part of basic block pattern making.

Drafting a bodice block involves drawing a series of lines and points based on your body measurements for patterns. There are different methods for drafting slopers, but they all use your measurements to create a paper shape that matches your body shape. We will follow a simple method here.

Preparing Your Paper

Tape several sheets of pattern paper together or use a large roll. Make sure you have a space big enough to draw a shape roughly the size of half your chest and waist, plus length.

Drawing the Back Bodice

This is the step-by-step process for drafting the back part of your basic block pattern making.

H4: Starting the Back Draft

Draw a baseline: Draw a straight line down the left side of your paper. This is your center back line.
Mark points: From the top of the line, measure down:
- Neck point: Measure your Neck measurement divided by 6, plus a little bit (like 1/4 inch). Mark this point to the right from the center back line.
- Shoulder point: Measure down your Back Waist Length. Mark this point on the center back line. This is your waistline point.
- Across Back point: Measure down about 4-5 inches from the top. Draw a line straight across from the center back line. This line should be half of your Across Back measurement.
- Bust line point: Measure down from the top using a standard amount (like 8 or 9 inches, or use your high bust measurement as a guide, maybe 1/4 of your high bust measurement plus a little). Draw a line straight across from the center back line.
Draw guidelines: From your waistline point on the center back line, draw a straight line across to the right. This is your back waistline. Draw the bust line and across back line across as well.

H4: Shaping the Back Neck and Shoulder

Back neck curve: From the top of the center back line, measure across to the right by 2.5 inches (this is a standard starting point, adjust based on your Neck measure if needed). Mark this point. Connect this point to your Back neck point (marked in step 2 above) with a gentle curve using your curved ruler.
Shoulder slope: From the top of the center back line, measure down a standard amount for shoulder slope (like 1.5 inches). Mark this point.
Draw shoulder line: From the point you marked for the back neck curve (2.5 inches across), draw a straight line down to the shoulder slope point. The length of this line should be your Shoulder Width divided by 2. This is your shoulder seam line.

H4: Drawing the Back Side Seam and Armhole

Bust width: From the center back line, measure across on the bust line. Use your Bust measurement divided by 4, plus some ease (like 0.5 to 1 inch). Mark this point. This is the end of your back bust line.
Waist width: From the center back line, measure across on the waist line. Use your Waist measurement divided by 4, plus some ease (like 0.5 to 1 inch). Mark this point. This is the end of your back waist line.
Draw side seam: Connect the bust line point and the waist line point with a straight line. This is your back side seam.
Back armhole: Find the middle point between the shoulder line end and the bust line end. Use your curved ruler to draw the armhole curve. Start at the shoulder line end, go through the Across Back point, and end at the bust line point. Make sure the curve looks smooth.

H4: Finalizing the Back Bodice

Connect your waistline point on the center back to the shoulder line end. This area will contain the back armhole and waistline. Add seam allowance later when cutting fabric, not on the basic sloper. Your back bodice block is taking shape!

Drawing the Front Bodice

Now let’s draft the front part. This is often a bit trickier because of the bust shape.

H4: Starting the Front Draft

Draw a baseline: Draw a straight line down the right side of your paper, parallel to your back center back line. This is your center front line. Leave space between the front and back sections on your paper.
Mark points: From the top of the line, measure down:
- Neck point: Measure down a standard amount (like 3 inches) from the top of the center front line. Mark this point.
- Across neck point: Measure across from the top of the center front line by 2.5 inches (same as back). Mark this point.
- Bust line point: Measure down the same distance as you did for the back bust line. Draw a line straight across from the center front line.
- Waist line point: Measure down your Front Waist Length from the top of the center front line. Mark this point on the center front line. This is your front waistline point. Draw a line straight across from the center front line.

H4: Shaping the Front Neck and Shoulder

Front neck curve: Use your curved ruler to connect the neck point (down 3 inches) and the across neck point (across 2.5 inches) with a nice curve. This is your front neckline.
Shoulder slope: From the across neck point (2.5 inches across), measure down a standard amount for shoulder slope (like 2 inches). Mark this point. This slope is usually more than the back slope.
Draw shoulder line: From the across neck point, draw a straight line down to the shoulder slope point. The length of this line should be your Shoulder Width divided by 2. This is your front shoulder seam line.

H4: Drawing the Front Side Seam, Armhole, and Bust Dart

The bust dart is key to fitting the pattern over the bust shape.

Bust width: From the center front line, measure across on the bust line. Use your Bust measurement divided by 4, minus some ease (like 0.5 to 1 inch). Mark this point. This is the end of your front bust line before adding the dart.
Bust Point (Apex): From the top of the center front line, measure down to your bust point (nipple). Measure across from the center front line to your bust point. Mark this exact spot on your paper. This is important for placing the dart.
Waist width: From the center front line, measure across on the waist line. Use your Waist measurement divided by 4, minus some ease (like 0.5 to 1 inch). Mark this point. This is the end of your front waist line.
Draw side seam: Connect the end of your front bust line (before dart) and the end of your front waist line with a straight line. This is your front side seam. Note: This side seam will be shorter than the back side seam for people with a bust.
Front armhole: Find the middle point between the shoulder line end and the end of the bust line (before dart). Use your curved ruler to draw the armhole curve. Start at the shoulder line end and end at the bust line point. This curve will likely go near the bust point area but shouldn’t cross it heavily.
Draw the bust dart: This dart takes up the extra fabric needed to go over the bust.
- From the bust point, draw a straight line down to the front waistline. This is one leg of the dart.
- Measure the difference between your Front Waist Length and your Back Waist Length. This difference shows how much length is needed to go over the bust.
- Measure across from the first dart leg on the waistline by this difference. Draw the second leg of the dart from this point back up to the bust point.
- Alternatively, some methods measure across on the bust line based on the difference between your High Bust and Full Bust measurements. This is called the bust dart width. Divide this width in half. From the bust point, draw two lines down towards the side seam or waist, making the angle needed to take up that width at the edge. For a basic side dart, draw lines from the bust point towards the side seam. The length of the dart legs should be equal. Fold the dart shut on the paper to check if the side seam matches the back side seam length. You will need to adjust the top of the dart legs slightly so they match up when the dart is closed.
Draw waist dart (Optional but common): To further shape the waist, you might add a dart on the waistline, centered under the bust point. Measure across your waistline (after taking out the bust dart amount) and find the difference between that and your actual waist measurement divided by 4. This difference is the total waist dart amount. Center this amount on the waistline, below the bust point, and draw dart legs up towards the bust point (stopping about 1 inch away) or just a few inches up onto the pattern piece.

H4: Finalizing the Front Bodice

Connect your waistline point on the center front to the end of the waist dart (if added) or the end of the waistline. Your front bodice block is now drafted.

Making a Basic Skirt Block (Sloper)

Making a skirt block is usually simpler than a bodice block. It’s another key part of basic block pattern making. This sloper fits from your waist to your hips and down to your chosen skirt length.

Preparing Your Paper

You will need a large piece of paper, wide enough for roughly half your hip measurement plus a little extra.

Drawing the Back Skirt

This is the step-by-step process for drafting the back part of your basic skirt.

H4: Starting the Back Skirt Draft

Draw a baseline: Draw a straight line down the left side of your paper. This is your center back line.
Mark points: From the top of the line, measure down:
- Hip line point: Measure down 7-9 inches from the top. This is a standard depth for the hip line. Mark this point. Draw a line straight across from the center back line.
- Skirt length point: Measure down your Skirt Length from the top. Mark this point on the center back line. Draw a line straight across from the center back line. This is your hem line.

H4: Drawing the Back Waist and Hip

Waist width: From the top of the center back line, measure across. Use your Waist measurement divided by 4, plus some ease (like 0.25 inches) and plus some for waist darts (like 1-2 inches per dart). Mark this point. This is the end of your back waistline.
Hip width: From the Hip line point on the center back line, measure across. Use your Hips measurement divided by 4, plus some ease (like 0.5 to 1 inch). Mark this point. This is the end of your back hipline.
Draw side seam: Connect the waist width point and the hip width point with a smooth curve using your curved ruler. This is your back side seam.
Hem width: From the Skirt length point on the center back line, measure across the same distance as your Hip width point. Or, measure across the same distance as your waist width point if you want a straight skirt. Draw a line across. This is your hem width.

H4: Adding Back Waist Dart(s)

Skirt blocks usually have waist darts to shape the fabric to the body.

Find dart position: Divide the distance between the center back and the end of the waistline in half. Mark this point on the waistline. This is where the middle of your dart will be.
Draw dart legs: Measure the total dart amount you added (like 1-2 inches). Divide this amount in half. Measure this amount to the left and right of the middle dart point on the waistline. Mark these points.
Draw dart length: Measure down from the middle dart point by a standard length (like 5-6 inches for a back dart). Mark this point.
Connect: Connect the points on the waistline to the dart length point to form the dart shape.

H4: Finalizing the Back Skirt

Connect the end of the hip line to the end of the hem line. This is the rest of your back side seam from hip to hem. Your back skirt block is complete.

Drawing the Front Skirt

Now, let’s draft the front part of your basic skirt.

H4: Starting the Front Skirt Draft

Draw a baseline: Draw a straight line down the right side of your paper, parallel to your back center back line. This is your center front line. Leave space between the back and front sections.
Mark points: From the top of the line, measure down:
- Hip line point: Measure down the same distance as you did for the back hip line (7-9 inches). Mark this point. Draw a line straight across from the center front line.
- Skirt length point: Measure down your Skirt Length from the top. Mark this point on the center front line. Draw a line straight across from the center front line. This is your hem line.

H4: Drawing the Front Waist and Hip

Waist width: From the top of the center front line, measure across. Use your Waist measurement divided by 4, plus some ease (like 0.25 inches) and plus some for waist darts (like 1-2 inches per dart, same amount as the back). Mark this point. This is the end of your front waistline.
Hip width: From the Hip line point on the center front line, measure across. Use your Hips measurement divided by 4, plus some ease (same amount as the back). Mark this point. This is the end of your front hipline.
Draw side seam: Connect the waist width point and the hip width point with a smooth curve using your curved ruler. This is your front side seam. This side seam should match the curve and length of the back side seam from waist to hip.
Hem width: From the Skirt length point on the center front line, measure across the same distance as your Hip width point or waist width point, matching the back hem width. Draw a line across. This is your hem width.

H4: Adding Front Waist Dart(s)

Front darts are usually a bit shorter than back darts.

Find dart position: Divide the distance between the center front and the end of the waistline in half. Mark this point on the waistline. This is where the middle of your dart will be.
Draw dart legs: Measure the total dart amount you added (same as the back dart amount). Divide this amount in half. Measure this amount to the left and right of the middle dart point on the waistline. Mark these points.
Draw dart length: Measure down from the middle dart point by a standard length (like 4-5 inches for a front dart). Mark this point. Front darts are often placed slightly off-center towards the side seam compared to back darts, or they might be placed under the bust point on the bodice. For a basic block, centering works fine to start.
Connect: Connect the points on the waistline to the dart length point to form the dart shape.

H4: Finalizing the Front Skirt

Connect the end of the hip line to the end of the hem line. This is the rest of your front side seam from hip to hem. This side seam should match the back side seam below the hip line. Your front skirt block is complete.

Reviewing and Refining Your Sloper

Once you have drawn your basic bodice and skirt blocks (front and back for each), take a step back. Look at the shapes. Do they look right based on your body shape? This is the first check in pattern fitting techniques.

Are the side seams about the same length for front and back bodice? (Remember the front bodice side seam will be shorter above the bust).
Do the bodice and skirt side seams match where they will join at the waist?
Do the shoulder seams look about the same length?
Are the armhole and neck curves smooth?

These are DIY clothing patterns in their most basic form. They are meant to fit snugly with minimal ease.

Making a Muslin Test Garment

The next, very important step in how to make a sloper is to make a test garment. This test garment is called a muslin. A muslin is a simple version of your pattern sewn from cheap fabric (like muslin fabric, hence the name). It lets you test the fit before cutting into your good fabric. This is a key part of pattern fitting techniques.

Preparing Your Fabric

Get some cheap cotton fabric that is similar in weight to the fabric you plan to use for future projects based on this pattern.

Lay out pattern pieces: Place your paper bodice and skirt blocks on the fabric.
Add seam allowance: Your sloper patterns do not include seam allowance. You must add it now. Add 0.5 inches (or 1 cm) seam allowance all around each pattern piece (neckline, shoulder, armhole, side seams, waist, hem).
Cut fabric: Carefully cut out the fabric pieces, including the seam allowance.
Mark darts: Transfer the dart lines from your paper pattern onto the fabric using tailor’s chalk or a fabric marker.

Sewing the Muslin

Sew the fabric pieces together using the seam allowance you added.

Sew the shoulder seams of the bodice (front to back).
Sew the side seams of the bodice (front to back).
Sew the shoulder darts and waist darts on the bodice if you drafted them. Fold the darts along the center line and sew along the drawn legs.
Sew the waist darts on the skirt (front and back).
Sew the side seams of the skirt (front to back).
Leave the center back seam open or sew it only partly if you need to get into the garment.
Do not finish the edges or hem it nicely. This is just a test.

Trying on and Fitting the Muslin

Put on the muslin garment inside out. Have your friend help you pin the center back seam if you left it open.

Now, look in the mirror. How does it fit? This is where you use pattern fitting techniques.

Is it too tight or too loose? Pin out extra fabric where it’s too loose. Mark where you need to add fabric with a pencil or chalk if it’s too tight.
Are there wrinkles? Diagonal wrinkles often point to areas where the pattern needs to be wider or narrower. Horizontal wrinkles can mean it’s too tight or too loose in a certain spot.
How are the shoulders and armholes? Do they sit right? Is the armhole digging in? Is it too loose?
How is the waistline? Is it sitting at your natural waist?
How does the skirt fit over your hips?

Pin or mark all changes directly onto the muslin while you are wearing it.

Transferring Changes Back to Your Paper Pattern

Take off the muslin carefully. Lay it flat.

Unpick seams: Carefully unpick the seams where you made fitting changes.
Lay flat: Lay the altered fabric pieces flat on top of your original paper pattern pieces.
Trace changes: Draw the new lines onto your paper pattern based on the changes you pinned or marked on the muslin.
Redraw curves and lines: Smooth out any choppy lines you traced. Use your curved ruler to redraw smooth armholes, side seams, etc.
Adjust darts: If you pinned out extra fabric (making it tighter), you might need to make your darts wider or add new darts. If you needed to add fabric (making it looser), you might need to make darts smaller or remove them.

This process of trying on and adjusting might need to happen more than once. Make another muslin if needed. It is very important to get your basic block pattern making right. It’s the foundation for everything else. Once your muslin fits perfectly, you have a custom fit sewing pattern sloper!

Using Your Sloper for Fashion Design Pattern Making

Now for the fun part! Your fitted sloper is your tool for fashion design pattern making. You can change this basic shape to create endless DIY clothing patterns.

Think of your sloper as a starting point. You slash and spread it, or fold parts away, to add style features.

Simple Changes to Make New Patterns

Here are some simple examples of how to use your sloper:

Add fullness: Cut lines into your sloper and spread the pieces apart to add fullness for gathers, pleats, or a flared skirt.
Move darts: Rotate darts from one spot (like the bust dart on the side) to another (like the shoulder or neckline) to change where the shaping comes from.
Change necklines: Draw new necklines (scoop, V-neck, square) onto your bodice sloper.
Change armholes: Make the armhole bigger or smaller, or change its shape.
Add sleeves: Draft a basic sleeve pattern using your armhole measurement and add it to the bodice.
Add collars: Draft different collar shapes to add to your neckline.
Create separates: Use the bodice sloper to make tops. Use the skirt sloper to make skirts. Join them at the waist (adding ease) to make a dress.
Add details: Add pockets, ruffles, ties, or other design details by drafting them and adding them to your basic pattern shapes.

This is where pattern making from scratch becomes truly creative. Your sloper ensures the fit is right. Then you add the style.

Tips for Successful Pattern Making

Work on a flat surface: A large table is best.
Keep your pencils sharp: Thin lines are easier to work with.
Measure twice, draw once: Be careful with your measurements.
Label everything: Mark pattern pieces (Front, Back, Bodice, Skirt), grainlines (the direction the pattern piece should go on the fabric), and any notes.
Use different colored pencils: Use one color for your original lines and another for changes.
Don’t rush the muslin fitting: This is the most important step for getting a good fit.
Save your slopers: Once they fit, trace them onto sturdier paper or mark them clearly and store them safely. They are your masters!
Start simple: Don’t try to make a complex jacket pattern first. Begin with a simple skirt or a simple bodice.

Interpreting Pattern Fitting Techniques

Getting a perfect fit is a process. It takes practice to see wrinkles or pulling and know what they mean. Here are a few common fit issues and how to fix them using pattern fitting techniques:

Issue: Diagonal wrinkles pointing to the bust.
- Meaning: The pattern is too tight across the bust, or the bust dart is not big enough or in the wrong place.
- Fix: Slash the pattern towards the wrinkles and spread it open to add room. Or make the bust dart bigger.
Issue: Horizontal wrinkles across the chest or back.
- Meaning: The pattern is too wide, or it is too short in length.
- Fix: Pin out the extra width. Or add length to the pattern.
Issue: Fabric pooling at the waist of a skirt.
- Meaning: The waist is too big, or the darts are not taking up enough fabric.
- Fix: Pin out the extra fabric at the side seams or make the waist darts deeper/wider.
Issue: Armhole is too tight or high.
- Meaning: The armhole curve on the pattern is too small.
- Fix: Redraw the armhole curve to make it lower and wider.

Each body is different. Your sloper is unique to you. Learning pattern fitting techniques on your muslin is key to truly custom fit sewing patterns.

The Journey of Pattern Making From Scratch

Starting with pattern making from scratch is a skill that grows over time. Your first sloper might not be perfect, and that is okay. Each project you make using your sloper and adapting it will teach you more about sewing pattern drafting and how fabric works on the body.

You started with just body measurements for patterns and some pattern making tools. Now you are drawing lines that represent your unique shape. This is the heart of DIY clothing patterns. You are building your own pattern library.

You can also learn fashion design pattern making by looking at patterns from clothes you own or patterns you buy. See how they use darts, seams, and shapes to create different styles. You can use these ideas and apply them to your own sloper.

Pattern making is a mix of math, drawing, and problem-solving. But most of all, it is about creativity and making clothes that make you feel good because they fit you perfectly.

Frequently Asked Questions

H4: Is pattern making hard?

It takes practice and patience, but it is not impossible. Starting with simple shapes like a basic skirt or bodice block makes it easier. Each step builds on the last.

H4: How long does it take to make a sloper?

Drafting the initial pattern might take a few hours. Making and fitting the muslin can take more time, possibly over several sessions, until the fit is right. It is a process, not a race.

H4: Do I need to make a new sloper if my body changes?

Yes, if your body shape or size changes a lot, your old sloper might not fit anymore. You might need to take new body measurements for patterns and adjust your sloper or draft a new one.

H4: Can I use my sloper to make patterns for others?

No, a sloper is made for one specific person’s measurements. To make a pattern for someone else, you need their measurements and would draft a new sloper for them or adjust yours based on their measurements. This is how you create custom fit sewing patterns for different people.

H4: How do I add ease to my pattern?

Ease is extra room in a garment for movement and comfort. Your sloper has only a little ease. When you use your sloper for fashion design pattern making, you add more ease depending on the style. For example, a fitted dress has less ease than a loose top. You add ease by making the pattern pieces wider at the side seams, waist, or hip.

Creating your own sewing patterns is a rewarding skill. It lets you take control of your wardrobe and make truly unique, perfectly fitting clothes. Grab your pattern making tools and start your journey into sewing pattern drafting today!