About this 3D model
This is a pipe designed to fit that "Woodstove1 for Dollhouse" uploaded by cerberus333 which you can find here http://www.thingiverse.com/thing:22566 Print as many as you need it long for your 1:12 scale house. Tape together and paint I print it with out raft and it works great and prints a 100mm long piece in about 34mins