Blueprint For Sandrail What Is A Good Blueprint For A Balsawood Building To Support Alot Of Weight?

What is a good blueprint for a balsawood building to support alot of weight? - blueprint for sandrail

What is a good basis for the construction of balsa wood, carry a large amount of weight?

In the class during the current have to build a structure made of balsa wood (do not know how much wood or material) revenue, but must bear much weight. Ideas?