<iframe width="580" height="385" src="https://www.youtube.com/embed/zxNH386kZgI" frameborder="0" allowfullscreen></iframe> <br>Material list 1 ramp 20 foundations 22 walls 5 doorways 3 doors 8 sloped wall right 8 sloped wall left 2 giant hatchframes 11 large crop plots 5 ceilings 11 sloped ... <br><a href="https://www.youtube.com/watch?v=zxNH386kZgI">source</a>