How to sew leather easily with

a regular sewing machine

Leather is very likely the first material used by humans for sewing. How difficult can it be to sew leather? At a first glance – very difficult, or at least that’s what I thought before actually doing it. But after I finished my first serious project I realized that sewing leather is not more complicated than sewing denim for example. On the contrary, because leather doesn’t fray, doesn’t need washing, pressing, doesn’t shrink etc.

The only problem was that my regular sewing tools were not exactly leather friendly and I lost a lot of time trying to use regular needles, threads, and techniques. I thought I knew it all; how wrong I was. But once I started using the tools specific for leather everything fell into place beautifully and the result of my efforts was worth the learning process.

I like sewing with leather. Leather garments are always in style but they are really expensive to buy. Leather is, in fact, one of the few materials that are cost-effective to sew, while the material is not cheap ( and no quality material is cheap ), if you make a skirt or a bag yourself it will be much cheaper than in the store, especially that only upscale stores would have leather.

I made quite a few projects with leather (see images below), made some mistakes during the process and discovered so much by trial and error that now I can share with you some tips on how to sew leather. I have of course much to learn and every project is a new opportunity to learn from failure.

By the way, before making my leather purse I took this Craftsy class “Making leather bags” with Don Morin. I knew the basics of sewing with leather because I made some easy sewing projects with leather before but I never made leather bags. So I watched the class and learned professional leatherwork techniques and discovered how to select quality leather and add some extra polish with contrasting leather, mitered gusset corners, rouleaux handles and an expertly installed zipper. The class is a really good foundation to move on to your own leather projects.

So if you are serious about sewing with leather check this Craftsy class.

Note: Some of the links on this page are affiliate links from which I may get compensated. You will never be charged for clicking them in any way.

First of all, I can tell you that you don’t need an industrial sewing machine for your leather sewing projects as long as you select thin soft skins like lambskin leather, for example (called also nappa).

It’s necessary to have special notions and tools for sewing leather on a domestic sewing machine, they are inexpensive and easy to find. In the list below I want to show you what I used successfully for my projects.

The other suggestion is that you need to be mindful of your seams when sewing with leather –  if your pattern requires sewing 8 layers at once it’s probably too much for anyone without an industrial leather machine so plan accordingly how many layers you will have to be sewing through. Yes, sometimes you will need to sew by hand, but this is by no means extraordinary for anyone who sews, no matter the material.

Leather sewing tools

Leather sewing machine needles

They are designed to stitch leather: they have a special cutting wedge-point that goes easily in the leather and somehow make holes smaller than regular needles (as it seems to me). They come in different sizes for different thicknesses of leather.

I used Schmetz needles size 90/14 for stitching two layers of lambskin leather and size 100/16 when I needed to stitch 3 or 4 layers. I think they are the best and I haven’t found any that compare to them.

I read that Universal and Microtex needles can be used also but they didn’t work for me. Look what happened when I tried to use a Universal needle. I had skipped stitches all the time.

Special sewing machine presser feet

For some small stitching (like when I was sewing leather to fabric) I could use just a regular straight-stitch foot but for bigger projects I needed specialized sewing machine feet.

One of them is a Teflon straight-stitch foot – it is non-stick and, in most cases, goes smoothly and effortlessly over the sticky surfaces.

For sewing piping on my leather purse I couldn’t use the straight-stitch foot and had to change it for a zipper foot but it had to be Teflon also so it can go smoothly on leather.

Also, a walking foot can be a real lifesaver when sewing leather. I use a Janome 6600 sewing machine and it comes with AcuFeed system which is practically a built-in walking foot. This is a really wonderful feature and it makes a huge difference. It helps the leather glide through the machine so that the underneath layer (against the feed dogs) doesn’t bunch up under the foot and stitches stay even and not too close together.

Sometimes, if I don’t use the walking foot, my machine doesn’t even move and just keep stitching in one place making a huge hole in the leather and knotting up the bobbin thread. So if you want to avoid frustration while sewing leather –  buy a walking foot. They are different for different brands of sewing machines.

Thread for sewing leather

I use strong polyester threads 40 weight. Cotton threads are no good, I guess they are not very strong and break too easily. I tried also pure silk threads (thick one, 40 weight) and can tell you that they are very good for sewing thin leather but they are expensive.

I came to the conclusion that it’s important for the thread to match the thickness of the needle eye – if they don’t match (if the thread is too thin for the needle) the hole made by needle will be too big for the thread and then you will see this.

Notions for basting leather pieces

You can’t use regular pins,  neither can you baste pieces by hand – any needle will leave a permanent hole in the leather. No problem! There are special notions that can be used instead of pins.

I use Wonder clips ( they are really wonderful!). It’s so easy to attach and remove them and they are sturdy, hold multiple layers of leather together tightly without shifting and don’t distort the pieces in any way. One side of the clip is flat so as you sew the leather it glides smoothly towards the needle.

Another fantastic notion for sewing leather is a double-stick basting tape. I use it a lot for straight seams but not so much for curved seams. The tape keeps leather from shifting and stretching very well and you don’t even need to take it out after you finish the seams, you can leave it in without any problem (the tape is very thin) and the seams will still remain flexible. Another good thing about the tape is that you can reposition it if you put it in the wrong place.

Just don’t sew through the tape because it will gum up your needle.

This tape is really good also for sewing zippers on leather, for making hems on leather garments, and for opening seam allowances. The tape has a backing paper which you have to peel off after you have positioned the tape.

Tools for cutting leather

I use very sharp shears because I don’t sew leather very often. But if you plan to work with leather a lot then use better a rotary cutter. The cut is usually very clear and I like to use it but sometimes my rotary cutter is not cooperative and destroys my leather. Eeek! Watch the video below if you want to know how NOT to use the rotary cutter.

The rotary cutter is best for straight lines, if you need to cut curves, tight corners and complex shapes then you have to use shears. It’s better to use shears with a blunt tip so you don’t scratch the leather.

The best tool for cutting small leather pieces is Brother cutting machine Scan&Cut 2, I am almost in love with this machine even if I did not use it for a long time yet.

You can’t use pins when cutting pattern pieces from leather. Use pattern weights or scotch tape instead to hold the pattern in place. I have a big collection of stone figurines so I use them mostly. To transfer pattern markings I use just a regular pen and use all my patterns already with seam allowances.

Also, it’s impossible to sew leather without using glue. You will need it for keeping seam allowances open, for finishing darts and hems and many other things. I use this one: The ultimate! The only non-toxic, water-based super glue.

Want to see these tools in action? Check out my tutorial

“How to make a leather purse”

 

Sewing machine settings for sewing leather

 

Select a slightly longer straight stitch length (around 3 -3.5 mm). Too short stitch length is no good because you will make more holes in the leather weakening the piece and too long stitch length is no good either because it will leave big distances between holes; it is not beautiful and the longer the stitch, the weaker the seam.

I also decreased my thread tension to 1 (instead of normal 3-4) and adjusted the foot pressure for sewing leather. Usually, I sew a lot with delicate silk fabric and because of this, I keep my foot pressure dial at 1 for sewing extra fine fabric. So I needed to put it to 3 which is good for thicker fabrics.

Practice stitching on scrap pieces. After preparing my sewing machine for stitching leather I used scrap leather pieces to test my settings and tools. Don’t be tempted to skip this step – it’s really important to know how your sewing machine is going to handle stitching leather. Make a seam sampler using different needles, threads and sewing machine feet.

Buying and preparing leather for a project

How to calculate how much leather you will need for the project?

Unlike fabric, which is sold by the yard or meter, skins are sold by the square foot. So it’s always kind of a problem for me to decide how many skins I will need for a project because I need to convert yardage requirements to a number of skins. You have to buy whole skins, they can’t be cut, obviously. Lambskins usually can have 3 to 6 sq.ft.

If you buy leather in a brick and mortar store than you can just take your pattern with you and lay out pattern pieces on skins of your choice. But I only know some stores in New York where I can do it.

Most of the time I buy leather online and because of this, I have to convert yards or meters to square feet.

Let’s do some math now. Fabrics come usually 45 in (115 cm) or 60 in (150cm) wide. So 1 yard of 45 in fabric is equal 11.25 square feet. And 1 yard of 60 in fabric is equal 15 square feet.

If your pattern requires 2 yards of 45 in fabric then you will need approximately 22.5 sq.ft. of leather.  Also, have in mind that skins are not always perfect, they have irregular edges and occasional flaws (it can be a hole in the skin, or just a thinner spot), so you will need to buy more square feet just in case. I think 25% more than the pattern requirements will be enough. So multiply that amount we got in step one by 1.25 (approximately) – we will need around 28 sq.ft. of leather.

That amount is good for big projects (like coats and jackets). But for small projects (like bags or vests) you will need much less. For example, if your pattern suggests ¾ yard of 60 in fabric than you have to multiply ¾ by 15 (equal 11.25 sq.ft.) and add 25% for irregularities – your total will around 14 sq.ft.

Use this image below to calculate the amount of skins for your project.

Where to buy leather?

I prefer online shopping for leather even if I can’t put all my pattern pieces to see how many skins I need for a particular project. I use that calculating method above to estimate the number of skins and if something will be left after I finish my project I can always make matching accessories or combine leather with fabric.

This online store from Amazon has a great variety of skins of different colors and weights, check it out.

And once you receive your skins don’t keep them folded – unfold it immediately and roll it up. I didn’t know that and kept some nice leather folded for a year and now it looks like this.

It’s not recommended to iron leather. I was wondering why we can’t press leather with an iron, and I tried to iron some scrap leather piece – the result was not good: my pink leather got permanent yellow spots from the high temperature and curled and shrunk a little also.

But if you absolutely need to iron it – pad your ironing board with a towel, use just a warm iron (for silk settings), a press cloth and no steam.

Before cutting examine each skin carefully, look for defects and decide how you will work around them. Some defects are very visible (like small holes or stretched edges) but some are not so obvious (like thinner spots or missed sections on embossed leather). You can hold each skin up to the light to look for thinner spots for example.

I will continue this tutorial on how to sew leather in my next article because this one is becoming too long already. In the next part, I will touch other important issues, like choosing the pattern for leather, preparing the pattern for sewing and stitching techniques.

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