People always ask me what types of tools I use or if I have a specific type. Surprisingly, I only have about 4 tools I use on a regular basis, here is a photo of my favourite one:
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This is a basic wax carver that you can get through most dental supply stores. Games Workshop also sells a similar tool. Here is a link to a site where you can find them :
http://www.usdentaldepot.com/categoria.php?c=577&sc=3030#nogo
The tool is the inlay carver. I use this for about 80% of all my sculpting and have thickened the handle using hockey tape so my hand doesn't cramp up. This tool is great for shaping and smoothing. I have also ground the edges with my dremel and polished the edge to keep the putty from sticking to it. You also have to make sure the tools you use don't have sharp edges because an edge will "catch" or "gouge" the putty when you use it.
Any Questions?