Handmade Knife and Acid Etching

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About: I'm a simple guy from a simple country called Latvia. I enjoy making useful (and sometimes not so useful) stuff to make people around me happier!

Intro: Handmade Knife and Acid Etching

Hi!

This week my dad will celebrate his 46th birthday, so I decided to make him a gift that's useful. Some time ago he used to go hunting regularly so he has one really good Italian handmade knife, but i hope that he will like this one too.

Also this guy: Garra23 asked if i could make an instructable about acid etching so i made it :)

Tools and materials:

  • Angle grinder
  • Sandpaper
  • Files
  • Glue
  • Fe Cl2
  • Used plastic bottle

For the handle I used deer antler and cow horn but that's optional

Step 1: Blade

First I took a piece of steel and cut out the blade and grinded it. I choose this form of the blade because it's the usual form that's used for hunting knives.

Step 2: Preparing for Etching

First thing to do is to put duct tape on both sides of the blade.

Then I drew the lines that I wanted to be etched on the blade and cut them out and also i put some nail polish on the places where duct tape didn't cover the blade.

After that took a plastic bottle and cut it in half, poured water and FeCl2 mixture in there and put the blade in there.

Step 3: Etched Blade

I left it in FeCl2 for couple hours, however I regularly checked, because I didn't want to overdo it.

Unfortunately it didn't turn out the way I wanted it to be, because I didn't sand it enough.

BEFORE PUTTING IT INTO FeCl2 SAND IT NEATLY!!

Step 4: The Knife

At first I thought i ruined the blade but when I made the handle and polished it, it turned out quite well, it has that old, vintage look to it. It sits in hand really good, and it's razor sharp, I even was able to shave hair off my leg :D

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    28 Discussions

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    mechagen

    2 years ago

    Hello,

    I have a question for you about acid etching metals. Do you think it's possible to 'dye' the metal a specific color using a similar method to acid etching or not? and if so how would you do it?

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    ElmarsMmechagen

    Reply 2 years ago

    Hi!

    Yes! It is possible, however consider that this process makes the metal become weaker against rust! I have tried something similar, only with electric etching, but you can simply put the metal into the FeCl solution, and "dye" the metal from light to dark grey color!

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    fixfireleo

    3 years ago on Introduction

    very cool knife! would it be much harder to make a sword? by the way, you should be a model, you are georgous!

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    ElmarsMfixfireleo

    Reply 3 years ago on Introduction

    Yeah sword is really one level too high for me, considering how much work I put in my knives, so I'm sure sword would be quite harder to make! Thanks!

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    dvncan

    3 years ago

    That's a great knife, one question: why, if you had enough steel, did you make the tang so small if you had enough to make it stronger?

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    ElmarsMdvncan

    Reply 3 years ago on Introduction

    Thanks. I did so, because the the cow horn had limited space in it, in lenght, the hole in it was too short even when i drilled it, and I didn't want to overdo the drilling, so i just made the tang shorter! :)

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    Garra23Garra23

    Reply 4 years ago

    Haha you even added me in there. Priceless lol.

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    afield4

    4 years ago

    this is a wonderfull knife, did you have to temper the edge and if so did it effect the etch in any way?

    3 replies
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    ElmarsMafield4

    Reply 4 years ago on Introduction

    thanks! i didn't temper or heat treat it because i took steel from a massive saw that most likely was already tempered, and i think that tempering shouldn't affect the etch

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    templerpadiElmarsM

    Reply 4 years ago on Introduction

    could you do an instructable on how to make a knife without power tools because i dont have access to any :p

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    ElmarsMtemplerpadi

    Reply 4 years ago on Introduction

    wow, if this is quite time consuming, then working without power tools is incredibly hard, i could do it, but i have many other projects, so sorry, most likely i won't do it