Master class on making a reusable protective mask

In our difficult times, when there is a need to wear a protective face mask, but it is not possible to buy one due to a shortage, you can make a mask with your own hands. On the Internet you can find many options for drawings for making a mask. I, as a clothing designer, made my own experimental mask patterns, finalized them, and fit them into a rectangular figure so that it would be convenient for you to work with numerical values when constructing a mask. The presented patterns already contain allowances for processing. They can be seen in the pictures.

The mask is made double so that between its two layers you can insert gauze or a bandage, folded in several layers for reliable protection against viruses. To sew a mask, it is better to take 100% cotton fabric. The inner and outer parts of the mask can be made either from the same type of fabric, or from different ones, as in the pictures presented. Since the mask patterns are small in size, it is easy to find suitable pieces of fabric to cut out the mask.

Sewing a reusable protective mask

1.So let's get started. According to the construction scheme, we build a rectangle with sides of 18 and 19 cm. In it we line up the mask patterns according to the specified numerical values. This creates the outer part of the mask. Don’t forget that the patterns already contain allowances for processing; you don’t need to add anything! Joining and turning seams are provided at 0.7 cm each. There is a fold along the lower edge of the mask directed towards the center of the mask. We cut out the patterns, pinning the fold with a needle with an eye, as seen on the left.

On the left is a finished pattern of the outer part of the mask.
2. Based on the pattern of the outer mask, we build an inner mask. To do this, use a pencil to transfer the pattern of the outer mask onto paper and set aside the numerical values indicated in the figure. The fold along the bottom edge of the mask is directed from the center to the sides of the mask, in contrast to the outer mask, in order to avoid thickness in this area when sewing. We cut off the fold as shown on the right and cut out the pattern of the mask.
On the right is a finished pattern of the inside of the mask.

3. In this master class, two masks are cut out and sewn at once. We cut out the details of the mask using the patterns. There is one pattern, but there are two parts for sewing one unit of mask: two outer and two inner parts of the mask. When laying out, take into account the warp thread (n.o.). It is supposed to use fabric that does not stretch equally on both the warp and the weft, therefore, no. can pass in two mutually perpendicular directions, as conveniently placed in the layout. If there is a pattern on the fabric, it must be taken into account when laying it out. For convenience and to save time, fold the fabric facing inward. We trace the patterns on the wrong side of the fabric.

You can see how we lay out and trace the patterns of the outer part of the mask - the inner part of the mask.

These pictures show the layout for two masks at once. We cut out the parts of the mask, making the notches provided in the patterns (on the folds, along the central cut of the mask and on the hem of the inside of the mask). We get the cut of two masks.
(outer part)

(inner part).

4. Now let's start sewing the mask. First we work separately with the external parts and separately with the internal parts of the mask. We fold the parts of the outer mask face to face and sew with an allowance of 0.7 cm from the edge along the central cut.

On the front side of the outer part of the mask we lay folds, directing them to the central seam, and sew the folds with a seam 0.5-0.6 cm from the edge. We get the result.

5. Now comes the turn of the inside of the mask. We fold its parts face to face and stitch with an allowance of 0.7 cm from the edge along the central cut.

Next, we process the mask on both sides, from the notch, tucking in the hem allowance of 2.0 cm (1.0 and 1.0 cm), laid in the patterns, and stitching.

On the front side of the inside of the mask we lay sweets, directing them to the sides, and stitch them 0.5-0.6 cm from the edge. We get the result.

6. You need to connect the outer and inner parts of the mask along the upper and lower sections. First, we connect them face to face and, for convenience, we cut them off with needles with an eye along the lower cut.

Then we stitch with an allowance of 0.7 cm from the edge. Next, we chop off the upper cut of the mask, aligning the central seam and directing the allowances of the two parts of the mask in different directions, as shown.

Sew with a seam 0.7 cm from the edge.
The finished result is presented.

7. On the outer part of the mask there are allowances for elastic on both sides.We process them from above and below, tucking and sewing in a hem allowance of 2.0 cm (1.0 and 1.0 cm), laid down in the patterns, we see the result obtained.

8. Turn the mask right side out.

Pay attention to how correctly all the seams and folds of the two parts of the mask are combined. We straighten the inverted mask and see that the outer mask goes to the inner side by 0.1 cm along the upper and lower edges.

This transition was designed at the stage of constructing the inside of the mask: 0.2 cm was set aside at the top and bottom so that the inside of the mask was not visible from the outside (front side).
9. We lay a finishing stitch along the upper and lower edges of the mask 0.1-0.5 cm from the edge at your discretion, thereby securing the upper and lower seam so that it does not “walk” back and forth. The resulting view is presented.

From the inside you can see how the outer mask extends 0.1 cm to the inside along the upper and lower edges.

10. On the outer mask, we finish processing the elastic allowances on the sides of the mask. To do this, turn the seam allowance 1.0 cm.

Then fold the folded edge 2.0 cm.

We sew a line along the hem 0.1 cm from the inner edge of the hem, as seen in Fig.

We do this treatment on both sides of the outer mask.
11. The mask is sewn. For clarity, a ruler is inserted between the outer and inner parts of the mask. Gauze or bandage folded in several layers will be inserted on the sides.

12. All that remains is to insert the elastic on both sides of the mask. You can take an elastic band that makes you feel comfortable.

A mask and two elastic bands of small diameter, each 25 cm long. The length of the elastic band can be adjusted for each individual.We insert the elastic with a pin into the holes left on the sides of the mask for the elastic and tie it.

We try on the mask and adjust the length of the elastic band individually to suit you. We tie knots tightly on the elastic band and twist the knots inside the elastic allowance.

13. The finished mask on a person is shown.

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Comments (35)

#1 vi3tor Guests 5 April 2020 10:53
1

I can’t laugh, it’s protected from viruses! what nonsense
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#2 Zhorik Guests 5 April 2020 13:45
2

And of course there is no need for sealing around the bridge of the nose.
You can cut a strip of metal 5 mm wide from a tin can. and sew into the top of the mask, then its shape can be bent to the shape of the nose.
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1. #3 Vita Guests 24 April 2020 09:46
  1
  
  I don’t agree, then it cannot be disinfected in the microwave
  
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  1. #4 Vita Guests 25 April 2020 18:38
    1
    
    Found the heat shrink tube material: insert the plastic tape and under the burner
    
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#5 Inna Volkova Guests 5 April 2020 16:35
2

It takes a very long time to sew it.
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#6 Darling Guests April 8, 2020 01:25
3

I sewed a mask, the seam goes to the middle of my nose and slightly touches my chin. And there are too many holes in this mask.
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1. #7 Vita Guests 24 April 2020 09:54
  2
  
  Why doesn't anyone think of making a pocket? After using once and disinfection (steam, hydrogen peroxide vapor (media information), microwave), the liner can be changed..
  
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  1. #8 Guest Yuri Guests April 24, 2020 12:07
    0
    
    The pocket makes sense if you put a special electrified filter material (NFP and the like) into it. But none of the do-it-yourselfers even mention such things. And any other materials can be disinfected by boiling or using chemicals along with the mask, so there is no point in having a disposable liner, which means there is no point in having a pocket.
    
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    1. #9 Vita Guests 26 April 2020 18:22
      1
      
      After disinfection, the mask partially loses its properties, so I think it wouldn’t hurt to reinforce it with an insert, wet face wipes, etc. We need to look for your method, I found the material for the mold, for information the strip should not melt. Now I'm working on a mask with adjustable fastening...
      
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      1. #10 Guest Yuri Guests 28 April 2020 03:20
        2
        
        I suggest thinking about the following mask design (in fact, a homemade respirator):
        
        The mask is made of soft, airtight material. (It is not difficult to make ordinary fabric airtight.) There should be no seams in front of the nose and mouth - they are only allowed in those places that are pressed to the skin.
        
        On the outside of the mask (in the front-side part) a perforated steel screw-on or polyethylene lid from a tin can (with the flat part - to the mask) is fixed (with sealing around the perimeter).
        The mask fabric in this area is also well-perforated.
        
        Filter material is placed on the lid and pressed with an elastic band (for example, a “money” rubber band).
        
        Instead of one large lid, you can put two milk bottle caps - on both cheeks.
        But if you use a large can, then on the second cheek you can put an exhalation valve made from a bottle cap and a thin rubber band.
        Apply filter material to the outside of the exhalation valve in the same way (this is antiviral protection, not construction protection).
        
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        #11 Vita Guests 30 April 2020 07:31
        1
        
        We are talking about a mask, not a disperator.. The task is to constantly disinfect the mask, without harm to humans.. I don’t know how much my intuition helps me, but I came across an article about microwaves in the journal IR “Microwaves in Medicine..” // excluding the presence metal..
        
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        #12 Vita Guests 30 April 2020 08:49
        1
        
        I wanted to end the dialogue, but today I came across a part in the kitchen to implement the idea using electrostatics - a strainer, suitable in size and insulation, I think this is useful information.
        
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        #13 Vita Guests 30 April 2020 13:16
        1
        
        The second material was found in a construction kit (material used for physiotherapy and massage). This is a flexible metallized tape for insulating seams. Thus, the picture is formed, we sew a strainer in the form of a pocket with the ability to insert an insert, by making a cut from the bottom (top) of the mask, we sew a second material into the base for the passage of air, either in parts or making it perforated. I managed to test it with ordinary masks (it may not kill, but they will waste away).
        
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        #14 Guest Yuri Guests 30 April 2020 19:06
        2
        
        I may have misunderstood the strainer idea and it is actually intended solely as an external mechanical guard/holder for the insert filter. If yes, then this is a good option. But how are you going to ensure that the air in the pocket cannot bypass the liner?
        
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        #15 Vita Guests 3 May 2020 07:43
        4
        
        A strainer is one of the electrodes through which air passes.. The idea is the killing factors: the field and electrification of the liner (the latest information about copper) with high voltage and low power. Why did you try to dry the bread in the microwave, sweat secretions and the virus itself are enough. .
        
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        #16 Guest Yuri Guests 3 May 2020 17:04
        4
        
        To destroy the virus, you need a field of such strength that it would be deadly to humans.
        But the meaning of electrifying a filter is completely different: the charge on the fibers attracts small particles flying past, and they stick to these fibers.
        But in order for the charge to be retained on the filter without an external energy source, the filter material must not be a conductor, but, on the contrary, a very good electrical insulator.
        
        Bread is heated in a microwave oven because it contains quite a lot of water. But try heating onion skins in it...
        The virus does not contain water at all, and does not contain anything electrically conductive, so by itself it will not heat up from the field. And the natural moisture content in the mask, most likely, will not be enough to warm it up to any significant extent - the water will quickly evaporate and pass from the mask into the stove chamber, after which it will heat the entire volume of this chamber, for which it is clearly not enough.
        But this is just my speculative idea. Try it and we'll know.
        But if the heating is above 60-70 degrees, then this can automatically give rise to another problem: how can the heating be limited to these 70 degrees in a microwave oven? After all, not all fiber filter materials can withstand heating to higher temperatures. That is why official American recommendations for sterilizing masks only talk about treatment with hydrogen peroxide vapor, and no temperature (or microwave) treatment.
        
        (Just in case: it’s better not to even think about using peroxide vapor - such concentrations are needed that they are lethal to humans, and the duration of treatment is hours.)
        
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        #17 Vita Guests 4 May 2020 10:47
        2
        
        Thanks for the information, we'll try it, just one last thought-provoking question: will the virus survive without moisture...
        
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        #18 Guest Yuri Guests 5 May 2020 16:12
        2
        
        Viruses don't need water at all. It just protects the virus from the air. And the current virus, according to scientists, is destroyed in a matter of seconds upon contact with air.
        The nuance is that the drop of liquid inside which the virus flies out of a person contains not only water, but also various substances dissolved in it (proteins and other organic matter). When the water dries, all these substances stick to the virus and form something like a shell on it, preventing air from reaching it.
        These substances, of course, are also destroyed by the air, but by the time the process reaches the virus, those very few hours pass, which are spoken of as its survival time.
        
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        #19 Vita Guests 4 May 2020 10:58
        3
        
        I tried the husk - it gets hot....
        
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        #20 Vita Guests 3 May 2020 20:23
        4
        
        Microwave IR kills the virus.. Still, I would like to focus on the mask... and increasing its protective properties.
        
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        #21 Guest Yuri Guests 4 May 2020 20:59
        3
        
        Microwave IR kills the virus
        I already asked: what is “IR”? I'm really interested in reading the article.
        
        And I have already described my view on the optimal design of a mask: a mask made of airtight fabric, the surface of which is easy to disinfect chemically (alcohols, chlorine cleaners for tiles and sanitaryware, bleaches, dishwashing detergents), and a filter that is either easily removable or does not require disinfection (for example, if NPP/HEPA is inside the box, then it is enough to treat the outside of the box itself - so experts say).
        You essentially came up with your idea for a strainer.
        
        What else remains to be thought about? Sealing the mask around the perimeter? I think a foam roller placed between the layers of fabric (or in the folded edge of the fabric) will be enough. And you've already thought about the nose clip.
        
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        #22 Vita Guests 5 May 2020 14:53
        4
        
        IR - "Inventor and Innovator" cover On the magazine's website there is an announcement on the article about the products of the plant for disinfecting the microwave virus.
        
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        #23 Guest Yuri Guests 6 May 2020 17:40
        2
        
        On the cover, they actually ask the question: “Does microwave radiation kill the virus?”
        Remember, I said that yes, it kills. Only this requires a lot of power. And here is what the plant that offers its products in the magazine says about itself:
        We produce microwave generators with a power of 50 kW, 75 kW, 100 kW
        Typical wiring supplying electricity to an apartment passes 5 kW.
        
        In general, I am skeptical about such sources. I recently saw a proposal from one honored inventor to disinfect masks and surfaces in seconds by blowing them with a hair dryer.
        
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        #24 Guest Yuri Guests 30 April 2020 18:57
        1
        
        1. Is the strainer metal or plastic?
        2. Electrostatics in the filter works when the filter consists of very fine tangled fibers.In this case, the particles contained in the air flow inevitably fly very close to the fibers and are therefore attracted to them. If you charge a kitchen sieve with cells the size of a millimeter, with the amount of charge that can be achieved on it in everyday life, almost nothing will be retained.
        And if the filter is fiber, then the static on it is only one of the working factors. Therefore, even after a complete discharge, such a filter continues to work, and not much worse than with a charge.
        
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        #25 Guest Yuri Guests 30 April 2020 18:50
        1
        
        We are talking about a mask, not a respirator
        The mask (medical) is intended to exhaled Do not infect others with disgust. If the product is intended to protect yourself by cleaning inhaled air, then it is called a respirator, regardless of the design features. You, as I understand it, are still going to defend yourself.
        The task is to constantly disinfect the mask, without harm to humans
        Disinfection of the filter (and the entire respirator) should not significantly impair its protective properties. Accordingly, it makes sense to discuss only the specific pair “filter material + disinfection method”.
        Regarding microwaves, I came across an article in the IR magazine "Microwaves in Medicine.."
        1. If there was a link, then it did not pass moderation, and therefore the question: “IR” - what is it? "Inventor and innovator"? I couldn't find such an article on their website...
        2. A microwave oven, in my opinion, will not kill the virus directly with its radiation. It will definitely kill him with an increase in temperature, but this requires the presence of water. And then the question immediately arises of the resistance of the filter material to water and temperature (see paragraph above).
        
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      2. #26 Guest Yuri Guests 28 April 2020 03:45
        1
        
        I forgot to say: you should not use wet wipes as a filter. Firstly, because of the moisture it is difficult to breathe through them, and secondly, this same liquid, which has permeated all the matter, can contribute to the transfer of captured nastiness from the outer surface to the inside.
        
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        #27 Vita Guests 4 May 2020 04:15
        5
        
        “A damp homemade cloth face mask dramatically reduces droplet production, and nothing spoken causes a person to release saliva into the surrounding area,” writes the Daily Mail.
        
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        #28 Guest Yuri Guests 4 May 2020 21:15
        2
        
        Catching the mask wearer's own droplets - maybe. But we are more interested in cleaning the inhaled air. But here it’s the other way around. Remember how they explain why it is recommended to change a protective mask every 2-3 hours: because during this time it gets wet and because of this, it significantly loses its protective properties.
        
        I also read a couple of heavy, long articles by filter specialists (it’s useless to provide links). Both said that getting air filters wet is an evil (the reason was described last time), which manufacturers of filter systems are struggling with in every possible way.
        
        By the way, look at how the “Petal” mask and similar imported ones (3M and others) are constructed - there is a convex plastic frame inside that prevents the lips from touching the inner surface of the mask. It is useful to take this into account in your design.
        
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      3. #29 Vita Guests May 3, 2020 08:30
        4
        
        Advice to women: if “bald patches” appear along the edges of the bags, apply acrylic fabric paint and rub a thin layer with your finger.
        
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    2. #30 Vita Guests 27 April 2020 06:33
      3
      
      I read about the material being sold in whole rolls, the principle is electrostatic, the thought came to me, what if you charge the material in a mask, a piezo lighter for the kitchen....
      
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      1. #31 Guest Yuri Guests 28 April 2020 03:40
        1
        
        I have only seen sales in sheets. But still, the volumes and prices there are such that it makes sense to buy if the family is the size of a battalion.
        But the same thing can be bought in the form of filters for the F-62Sh respirator. And the official US medical organization, which is also involved in the certification of such products, claims that one such filter installed in a respirator will be enough for the entire current epidemic. You only need to regularly disinfect the outside of the respirator itself.
        
        There is simply nothing to charge yourself - the internal structure of the material is also important for the filter. Meltblown and spunbond have the required structure (tangle of the finest fibers). But both are made of material that simply won’t hold a charge for long.
        As a simple filter (without electrification), meltblown is better than spunbond, but it is not commercially available. And spunbond is “agrofibre”.
        
        The "foreign" name for NFP is HEPA. And HEPA filters for vacuum cleaners are most likely electrified. But I’m not sure that you can breathe through them - they are thick, designed for a two-kilowatt motor to drive air through them.
        
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        #32 Vita Guests 29 April 2020 16:16
        1
        
        What about the coal ones that are now sold for flower pots...
        
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        #33 Guest Yuri Guests 30 April 2020 19:13
        2
        
        Filters for respirators (gas masks) are produced in three types: anti-aerosol, anti-gas and combined (protecting both from aerosols and gases).
        If you look inside any combined filter, you will see that it consists of two parts: an internal one, filled with activated carbon, and an external one, filled with matter - the same one that is used in aerosol filters.
        In addition, attachment-on aerosol filters are available for many models of gas respirators.
        From all this we conclude: activated carbon absorbs only gases, and does not provide anti-aerosol protection even at the minimum (P1) level.
        
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#34 Chibisov Roma Guests 8 April 2020 14:58
4

We sewed a cotton-gauze bandage during a labor lesson in 3rd grade in 1986.
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1. #35 Ivan Novoselov Guests 21 April 2020 18:53
  1
  
  they knew how to sew back then, but now anyone is too lazy to sew a mask against viruses
  
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