Does Anybody Here Ever Use a Tommi Blade?

redsquid2

redsquid2

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Knifemaker / Craftsman / Service Provider
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The tommi apparently was invented in far northern Europe. I found some online at Thompson's Knives. I have never handled or seen one, in real life. You can see in this picture, it is very simple, yet very thick where the maker's mark is. Then just flat bevels going up and down.

5282.jpg


I am wondering what is the advantage of this blade geometry, and is it suited to a particular task? I believe they are about 4.5mm thick in the middle, and would be very strong.

Does anybody here use one, or know if it has a specialized use?
 
A tommi is a style of traditional finnish puukko. That blade shape in particular is called a rhombic blade; it's like a squashed superman symbol. The idea behind it, i believe, is that for wood carving or similar tasks there is less surface area to cause drag when making cuts. You can find a lot of info on puukkos by using the search, this thread in particular has some good examples: http://www.bladeforums.com/forums/showthread.php/944391-Anyone-still-like-puukkos?highlight=puukko

Puukkos by nature are non-specialized, they are for every use. From wood carving, to dressing game, to utilitarian chores, etc.
 
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Thank you for the link, t.sous11. There are a lot of this style blade that I did not realize were out there. There are really some works of art to see.
 
Rhombic blades are essencially finnish and they excell in wood carving. The geometry itself, as t.sous11 said, allows to have the less friction possible when cutting and also allows much precise cuts than flat blades.

The blade you posted is 120 mm long and 6 mm thick where the bevels start.
 
redsquid2 said:
The tommi apparently was invented in far northern Europe. I found some online at Thompson's Knives. I have never handled or seen one, in real life. You can see in this picture, it is very simple, yet very thick where the maker's mark is. Then just flat bevels going up and down.

5282.jpg


I am wondering what is the advantage of this blade geometry, and is it suited to a particular task? I believe they are about 4.5mm thick in the middle, and would be very strong.

Does anybody here use one, or know if it has a specialized use?
Click to expand...
Yeah I bought two Brisa 125 mm Tommi blades
 
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