Website documenting the creation of some insanely implausible carvings — made from common #2 pencils, in Japan.
"According to their forms,they are divided into 4 types
– Double spiral, Chain,
Ring and Kikko that may be called a honeycomb
pencil.
Others like Six-fold spiral,
Extensible andTriangle, square, pentagon, hexagon
are considered to be variations based on one of those 4 types.[…] We are required to be skilled enough for delicate woodwork in carving out
a pattern like some kind of a tracery without making any miscut on the naked
lead inside."
"According to their forms,they are divided into 4 types