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.
It's sold in Amazon or AliExpress etc.

Introduction video




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.
Standard art kinfe is for 1.5mm thickness and 3mm thickness.
Cushion grip art knife is for 5mm thickness and 10mm thickness.

●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)

●1.5mm厚コスプレボードをAmazonで買う

COSボード匠 Sサイズ 2mm厚 白 価格：620円（税込、送料別) (2023/5/25時点)

COSボード匠 Mサイズ 2mm厚 白 価格：1,000円（税込、送料別) (2023/5/25時点)

COSボード匠 Lサイズ 2mm厚 白 価格：4,000円（税込、送料別) (2023/5/25時点)

COSボード匠 Sサイズ 2mm厚 黒 価格：620円（税込、送料別) (2023/5/25時点)

COSボード匠 Mサイズ 2mm厚 黒 価格：1,000円（税込、送料別) (2023/5/25時点)

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 accelerator makes hardening time short.
It's so useful.
Watch this video.


When you use 100ml, you can make a armorset or about two, three weapons.
←100ml ←420ml


I finished glueing.


Round off the corners with a Box cutter etc.


Glue with a Liquid super glue.


I finished glueing.


Cut material into the Templates form.
Cut out "Kousakuyousi"(one of hard paper in Japan).
Glue with a Liquid super glue.


I finished glueing.


Use a Iron gardening stick(diameter 0.6 or 0.8cm).
Use it as a core.
Cut it wit Freeway coping saw, pliers, nippers, diamond files, etc.
This stick is just a iron stick.
You can substitute various metalic sticks.


園芸用の棒は一応Amazonでも売ってるが異常に高い、ホームセンターや100均で買った方が良い。


I finished cutting.


I used this.
The diameter is about 0.6cm.


Peel with a Box cutter etc to easily bend.


Bend Iron gardening stick by hand.


Glue with a Hot melt(glue gun).


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 Hot melt(glue gun).


I finished glueing.


Glue edges of the blade.
Glue with "Bond G17"(one of sticky glue in Japan). Detailed process is here.
Paint it with a broken piece of "Kousakuyousi"(one of hard paper in Japan) as a brush.
Don't use fire until drying, because "Bond G17" burns easily. Don' use a Lighter etc until drying.



Reinforce the blade by applying Liquid super glue on the edge.


Fill the back of blade with a Hot melt(glue gun).


Stroke the back of blade with a tip of Hot melt(glue gun), then the surface becomes flat.


Carve the pattern with a Soldering iron.
(Don't breathe in the smoke and don't put in eyes. If accedents happens, it's self-responsibility.)


ギャクヨガが使っているハンダゴテです、コテ台付き。

Cut material into the Templates form.
Cut out 1.5mm or 2mm thick EVA foam.
Glue with a Liquid super glue.


Carve the pattern with a Soldering iron.
(Don't breathe in the smoke and don't put in eyes. If accedents happens, it's self-responsibility.)


Present state.


Building the guard


Cut material into the Templates form.
Cut out 5mm thick EVA foam.
Cut out 1.5mm or 2mm thick EVA foam.

●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)

●5mm厚コスプレボードをAmazonで買う

COSボード匠 Sサイズ 5mm厚 白 価格：880円（税込、送料別) (2023/5/25時点)

COSボード匠 Mサイズ 5mm厚 白 価格：1,560円（税込、送料別) (2023/5/25時点)

COSボード匠 Lサイズ 5mm厚 白 価格：5,300円（税込、送料別) (2023/5/25時点)

COSボード匠 Sサイズ 5mm厚 黒 価格：880円（税込、送料別) (2023/5/25時点)

COSボード匠 Mサイズ 5mm厚 黒 価格：1,560円（税込、送料別) (2023/5/25時点)

Mark patterns.


Glue with a Liquid super glue.


Carve the pattern with a Soldering iron.
(Don't breathe in the smoke and don't put in eyes. If accedents happens, it's self-responsibility.)


Glue with a Liquid super glue.


I finished glueing.


Building the hilt


Cut material into the Templates form.
Cut out 5mm thick EVA foam.
Cut out 10mm thick EVA foam.

●10mm厚コスプレボードを楽天で買う

コスプレボード 白10mm×660mm×500mm 価格：880円（税込、送料別) (2019/10/23時点)

コスプレボード　白10mm×660mm×1000mm 価格：1540円（税込、送料別) (2019/10/23時点)

コスプレボード　黒10mm×660mm×1000mm 黒だから裏塗り処理を省略出来る 価格：2486円（税込、送料別) (2019/10/23時点)

●10mm厚コスプレボードをAmazonで買う

COSボード匠 Sサイズ 10mm厚 白 価格：1,400円（税込、送料別) (2023/5/25時点)

COSボード匠 Mサイズ 10mm厚 白 価格：2,490円（税込、送料別) (2023/5/25時点)

COSボード匠 Sサイズ 10mm厚 黒 価格：1,400円（税込、送料別) (2023/5/25時点)

COSボード匠 Mサイズ 10mm厚 黒 価格：2,490円（税込、送料別) (2023/5/25時点)

Glue with a Liquid super glue.


I finished glueing.


Round off the corners with a Box cutter etc.


Glue with a Hot melt(glue gun).


I finished glueing.


Cut material into the Templates form.
Cut out 5mm thick EVA foam.
Glue with a Liquid super glue.


I finished glueing.


Cut material into the Templates form.
Cut out 1.5mm or 2mm thick EVA foam.
Glue with a Liquid super glue.


I finished glueing.


Cut material into the Templates form.
Cut out 1.5mm or 2mm thick EVA foam.
Glue with a Liquid super glue.


Make the edges smooth with a Soldering iron (Don't breathe in the smoke, be careful a burn).
Or, cut it by edged tools.
(Actually I used fire, but it's dangerous method. I recommend a Soldering iron
If accedents happens, it's self-responsibility)


Carve the pattern with a Soldering iron.
(Don't breathe in the smoke and don't put in eyes. If accedents happens, it's self-responsibility.)


Present state.



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Painting
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 dangerous method, it's most likely happening fire.
I wrote about this method as a archive,
However I don't recommend this.
I don't use this method now, I use other method now.
If accedents happens, it's self-responsibility.

【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.
-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.

【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.


・About mask
In spray painting or lacquer painting, use a mask for painting.
↑フィルタ付きセット商品 ←替えフィルタ


I use "Zoukei be-su" as undercoat this time.
But it's sold only in Japan.
Substitute Gesso or Wood glue thinned with water.


Paint "Zoukei be-su" twice with a brush.
Dry it about 2 ~ 6 hours.


Paint black as undercoat color with Lacquer Spray.


Paint gray as undercoat color with Lacquer Spray.


Paint dark silver with Lacquer Spray.


Paint purple with Lacquer Spray.


Stick Masking tape on the point you don't want to paint.
Paint blue with Lacquer Spray.


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

Process Masking tape.
Stick Masking tape on a Cutting mat.


Cut out with a Box cutter etc.


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


Paint silver with Lacquer Spray.


Paint clear blue with Lacquer Spray.


Draw The design of the edge.
Paint silver white Bottle lacquer paint with a Airbrush.





●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。
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。




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


Paint brown with Lacquer Spray.


Draw lines with a Magic Marker.


Paint silver Bottle lacquer paint with a paint brush.


When you paint Bottle lacquer paint, use a paintbrush, cups, panint sticks, thinner.



Paint gray Bottle lacquer paint with a paint brush.


Paint gloss spray to make a gloss.



After painting
Wrap cord.
Glue with a Hot melt(glue gun) here and there.
Wraping tutorial is here.


When you know detailed wapping method, watch this video.


Tie the edge.
I refer to this site about tieing the edge.


I used 4meter of this 9mm width cord.

コットン フリーコード いろいろ使えるコットンの平紐です。 3サイズ共通カラー　40色展開です。※商品の特性上、表記サイズより多少前後する場合がございます。ご了承願います。 価格：129円（税込、送料別) (2019/7/10時点) 楽天で購入

I finished wraping.


Complete


Please watch the tutorial video too.












Visitor's works
景一さん
【注コスプレ】
鬼滅の刃/冨岡義勇
photo→ひがさん（@higa_sadalsuud)
刀制作参考→ギャクヨガさん
ロケ地許可有り
刀作るの頑張った。偉い。そしてやっぱりコスプレ楽しかったのでまたやりたい


Ann Marieさん
Water Hashira of the Demon Slayer corps, Tomioka Giyu
I love cosplaying this boy,
the costume is super comfortable and it’s a fun make up look to play with.


景一さん
ギャクヨガさんのサイトを参考に冨岡義勇の刀作れました！ありがとうございましたー！
何気に刀キャラ初めてで、刀作るのも初めてだったから…柄糸の留め方がすぐ理解できなくて瞬着力業(脳筋)


冨岡義勇に恋をした男さん
冨岡義勇の日輪刀完成しました！
柄糸巻くのがめちゃくちゃ難しかったです( - )ギャクヨガさんのサイトホントに説明とか細かくてとても助かりました。
鞘は気が向いたら作る予定です！




SO(ソー)さん
鬼滅の刃より
水柱 冨岡義勇の日輪刀 完成しました
刃先はシアンカラーに
波紋は丸字のペイントマーカー
悪鬼滅殺 彫るの大変でした




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