Hi Who,
Dont buy a hot wire cutter, make one,
1, find an old electric Hairdrier or Toaster or paintstripper.
2, Strip out the “Hot Wire “.
3, Make a woooden ( Not Metal!! ) U shaped frame with the arms about 6″ apart.
4, Fit an electrical connector to each end of an arm.
5, Fit a length of Hotwire tight between the arms.
6, Fit a suitable length of cable to each end of the Hotwire.
7, Connect a Crocodile clip to each cable end.
8,Put a on/off switch in one of the cables.
9, connect to a 12volt Battery and start carving.
Len the tight wad.