Is there a better material (stronger, more flexible, lighter in weight, etc.) than treated pine(?) which I usually use for building tree houses? These are some things that I find very useful in tree ...
This is more a DIY question than a home improvement one but I can't seem to find a beter place to ask: I'm looking for small diameter metal tubing, specifically 0.159 ID, ~3/16 OD (the inside ...