EVA foam is soft material.
You can process it easily.
Other names are EVA board, EVA zote, Craft foam etc.
Cosplayers all over the world use this.

Introduction video

COSボード Sサイズ(450mm×600mm) 5mm厚 白 価格：583円（税込、送料別) (2019/10/23時点)

COSボード Mサイズ(600mm×900mm) 5mm厚 白 価格：1120円（税込、送料別) (2019/10/23時点)

COSボード Lサイズ(900mm×1800mm) 5mm厚 白 価格：3249円（税込、送料別) (2019/10/23時点)

COSボード Sサイズ(450mm×600mm) 5mm厚 黒 価格：650円（税込、送料別) (2019/10/23時点)

COSボード Mサイズ(600mm×900mm) 5mm厚 黒 価格：1344円（税込、送料別) (2019/10/23時点)

●5mm厚COSボードをキャラヌノで買う


●5mm厚コスプレボードをAmazonで買う


●5mm厚コスプレボードを楽天で買う

コスプレボード 白5mm×660mm×500mm 価格：517円（税込、送料別) (2019/10/23時点)

コスプレボード 白5mm×660mm×1000mm 価格：990円（税込、送料別) (2019/10/23時点)

コスプレボード　白5mm×1000mm×2000mm 価格：3564円（税込、送料別) (2019/10/23時点)

コスプレボード　黒5mm×660mm×1000mm 黒だから裏塗り処理を省略出来る 価格：1320円（税込、送料別) (2019/10/23時点)

コスプレボード　黒5mm×1000mm×2000mm 黒だから裏塗り処理を省略出来る 価格：4180円（税込、送料別) (2019/10/23時点)

Use a sharp blade. For example, "Pro Blade".
This is so sharp.
←10枚入り ←50枚入りお得パック

I always use "Running fire box cutter","Blade breaker",Cutting mat.
"Blade breaker" can break the blade easily.


Use Standard art knife or Cushion grip art knife to cut small ornaments etc, too.



Glue with a Liquid super glue.
When you use a Super glue Accelerator, Hardening speed becomes fast.
(Smoke may be generated. Don't breathe in the smoke and don't put in eyes.)





Super glue can glue a large surfaces easily.
But it can't glue a small surface such as this photo well


Then you should use a following spray.
I always use this.
Watch video.


Super glue accelerator
This can glue surfaces in several seconds.
When you use 100ml, you can make a armorset or about three weapons.
←100ml ←420ml

About super glue
I use general liquid super glue.



Glue with a Liquid super glue.


Heat with Gas toach and bend.
(A Lighter is usable, too But take time.)




↑ギャクヨガ愛用ライター、使いやすい！ ガスがなくなったらボンベで充填しましょう

Reinforce by heaping a Hot melt(glue gun) on the backside of glueing places.
Glue Cloth or Synthetic leather on points with burdens.


ギャクヨガが愛用しているグルーガンです、口が広くてとても使いやすい！

Glue with a Liquid super glue.


Glue Velcro with "Bond G17"(one of sticky glue in Japan) or a Hot melt(glue gun). Detailes are here.
Don't use fire until drying, because "Bond G17" burns easily. Don' use a Lighter etc until drying.



Cut material into the Templates form.
Cut out 1.5mm or 2mm thick EVA foam.




コスプレ造形向けボードはネット通販で手軽に買えます。
ちなみに、COSボードとコスプレボードの違いは特にないと感じます、好みでどうぞ。

●1.5mm厚COSボードをAmazonで買う


●1.5mm厚COSボードを楽天で買う

COSボード Sサイズ(450mm×600mm) 1.5mm厚 白 価格：359円（税込、送料別) (2019/10/23時点)

COSボード Mサイズ(600mm×900mm) 1.5mm厚 白 価格：672円（税込、送料別) (2019/10/23時点)

COSボード Lサイズ(900mm×1800mm) 1.5mm厚 白 価格：1681円（税込、送料別) (2019/10/23時点)

COSボード Mサイズ(600mm×900mm) 1.5mm厚 黒 価格：672円（税込、送料別) (2019/10/23時点)

COSボード（シールタイプ）Mサイズ(600mm×900mm) 1.5mm厚 白 価格：1120円（税込、送料別) (2019/10/23時点)

●1.5mm厚COSボードをAmazonで買う


●1.5mm厚コスプレボードをAmazonで買う


●1.5mm厚コスプレボードを楽天で買う

コスプレボード　白1.5mm×660mm×1000mm 価格：605円（税込、送料別) (2019/10/23時点)

コスプレボード　黒1.5mm×660mm×1000mm 黒だから裏塗り処理を省略出来る 価格：660円（税込、送料別) (2019/10/23時点)

コスプレボードシール　白1.5mm×660mm×500mm 接着剤不要のシール接着、装飾等に 価格：594円（税込、送料別) (2019/10/23時点)

コスプレボードシール　黒1.5mm×660mm×500mm 接着剤不要のシール接着、装飾等に 価格：682円（税込、送料別) (2019/10/23時点)

Glue with a Liquid super glue.


Cut material into the Templates form.
Cut out 5mm thick EVA foam.


Glue with a Liquid super glue.


Reinforce by heaping a Hot melt(glue gun) on the backside of glueing places.
Glue Cloth or Synthetic leather on points with burdens.


Glue with a Liquid super glue.


Cut out 5mm thick EVA foam.
You must use a tool for cutting out a fair circle. Details are here.



Shave it into a mountain form with a Box cutter etc.


Bend with a Lighter while pushing the shaving side.


Bend with a Lighter while pushing the shaving side.


I finished bending.


Glue the shaving side with a Liquid super glue.
The surface becomes round.


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Painting
Stick Masking tape on the point you don't want to paint.


ギャクヨガは細かいところは10mm幅(左の商品)、広い所は30mm幅(右の商品)を使ってます

Begin painting.
At first, paint undercoat on EVA foam.
The effects are as follows.

-Color becomes well.
-It becomes hard to come off.
-Gloss comes out well.
-You can save quantity of the paint.


1.Gesso
This is easy.

【Merit】
-It's usable just to paint with a paint brush.
-Gesso don't contain thinner, then you can use it in the room.
-You can use also Acrylic paint.
-There are several colors one, white black etc.

【Demerit】
-It's easy to come off than Thinned "Bond G17"(one of liqud glue in Japan).
 Then, use this for weapons and armors without moving parts.
-The gross is smaller than Thinned "Bond G17"(one of liqud glue in Japan).

【Commodities　page】
Gesso or Black Gesso
or

【Paint】
Lacquer Spray or Bottle lacquer paint or acrylic paint
or

2.Wood glue thinned with water
This is so easy.

【Merit】
-Someone can get
-Someone can use easy

【Demerit】
-Drying time is a little long.

【Commodities　page】


3."Bond G17"(one of liqud glue in Japan)
This is difficult, however it's almighty.

【Merit】
-It'st hard to peel off.
-It can use for PVC pipe or plastic sheets.

【Demerit】
-"Bond G17" is japanese commodity.
 Then you can't get it easily.
 Please use others. For example, you can substitute wood glue for it.
-You must thin it with lacquer thinner.
-It needs thinner, then you must work outdoors.
-It burns easily.
Don't use fire until drying, because "Bond G17" burns easily. Don' use a Lighter etc until drying.
The parts will be charred in seconds.

【Tutorial video】


【Commodities　page】
"Bond G17"(one of sticky glue in Japan) thined with lacquer thinner
&

-About paint
I use following paint.


You can use acrylic paint, when you use Gesso.



I use Thinned "Bond G17"(one of liqud glue in Japan) in this tutorial. But this method is danger, then I don't recommend.
I recommend Gesso or Wood glue thinned with water.


Paint "Bond G17"(one of sticky glue in Japan) thined with lacquer thinner three or four times.
Don't use fire until drying, because "Bond G17" burns easily. Don' use a Lighter etc until drying.
(It will char in seconds.)
Dry it about 2 ~ 6 hours.


Paint gray color as undercoat color with Lacquer Spray.


Paint red color with Lacquer Spray.


Stick Masking tape on the point you don't want to paint.


Paint blue with Lacquer Spray.


Actually, I used a Airbrush too.
If you want to make light and shade, use it.
About Airbrush is here.





●初心者にオススメ
安価なUSB充電式エアブラシ。
これ一つでエアブラシ塗装が手軽に行えます、60分充電すれば45分稼働できます。
エアブラシ塗装を手軽に始めるならまずはこれ。


●本格的に始めるなら
Mr.カラーを作っているクレオスのエアブラシセットです。
エアブラシ塗装に必要なものが一式セットになった定番商品です。
ギャクヨガも昔使ってました。
電源はコンセント接続です。



●ギャクヨガが使っている物を使いたいなら
性能は高いですが高価です。
ホースは別途購入が必要です。



Complete










The red circle is the parts which I made in this time.


The red circle is the parts which I made in this time.