Fun article to read. The author started to get into the more likely failure modes at the end when time ran out. Stability is probably the most important. Next

Fun article to read. The author started to get into the more likely failure modes at the end when time ran out. Stability is probably the most important. Next is failure of the wood near the screws, which affects stability. Wood has its own considerations due to the grain. The American Wood Council has a fastener calculator which shows a few of the things that matter when doing structural design with wood. http://www.awc.org/calculators/connections/ccstyle.asp http://www.awc.org/calculators/connections/ccstyle.asp