Carving Knife Substitute 

                           TIPS and TRICKS  

               for soap carving with a craft knife  


"What can I use instead of a carving knife?"

I often get asked about a substitute for a carving knife.

So I've been thinking about this a lot, and I came up with

some tips to use an exacto knife instead of a carving knife.

It's quick and easy !


How to hold the craft knife safely 

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How to improve your craft knife

Instruction video



Exacto knife
tip : Choose a carbon steel blade knife.
      Don't choose a stainless blade knife.
      A stainless blade is too hard to sand.
     ( Generally, a blade of a craft knife is made of carbon
     steel. )

Waterproof flat board (plastic,glass,etc),
   (I used a  plastic cutting board )

 Waterproof work table
    (I used a vinyl tablecloth)

Wet/Dry sandpaper ,3 kinds of grit
    120-150 grit,
    400-600 grit,
    1500-2000 grit,


 (optional. I wear a latex glove to keep my hands clean)

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1. First, use about 120 to 150 grit sandpaper.
  (I used 120 grit )
2.  Drip a little water    

3. Sand the blade against the cutting edge to make it thin.
   Not sand the cutting edge.   

4.  Repeat on the other side.  
   Sand against the cutting edge

Sand well the point of the blade to make it thin.

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5.  Next, use 400 to 600 grit sandpaper.
  (I used 600 grit )

6.  Sand against the cutting edge in the same way.
  Repeat on the other side.  

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7.  Finish off the blade with 2000 grit sandpaper.    

8.Sand the blade against the cutting edge in the same way.
   Polish the blade by sanding with fine grit sandpaper.

9. Done. The blade became so shiny.
   A very thin blade is appropriate for soap carving.
   Make your blade as thin as you like.

How to hold the craft knife safely 

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