Drawing a cube in ASCII art
Python - 248 243 230 227 191

Slightly messy but it basically prints the cube line by line(using a string buffer).

t=v=h=input()/2
s,p,b,f,n=" +|/\n"
l=p+"-"*t*4+p;S=s*4*t;k=s*h;K=b+S+b
r=s*t+s+l+n
while t:r+=s*t+f+S+f+s*(h-t)+b+n;t-=1
r+=l+k+b+n+(K+k+b+n)*(v-1)+K+k+p+n
while v:v-=1;r+=K+s*v+f+n
print r+l


Thanks to @marcog, for pointing out the first line, @ThomasO for pointing out the second line and to @Juan for making me realise I can combine lines.