色鉛筆の形状を定義します。
//**********************************************************************************
#local Lcp=40;
#local Cpen_base =
union {
cylinder { 0*x, Lcp*x, 1.0 }
cylinder { 0*x, (Lcp+1e-4)*x, 0.9 texture { T_core } }
cylinder { 0.45*x, (Lcp+2e-4)*x, 1/2 } cone { -1.6*x, 1/9, 0.45*x, 1/2 }
}
#local Nmax=6;
#local Cpen_seg =
difference {
object { Cpen_base }
#local N=0; #while(N
#local N=N+1; #end
}
#local Cpen_obj = object { Cpen_seg translate -Lcp*x rotate 180*y }
//**********************************************************************************