[Chris Endres]

It really is dependent on many factors: resources, time, designing capabilities, experience, etc. WildStang has recently worked with two sheet metal manufactures to make parts for our robots. This year, our bot was almost entirely sheet metal, apart from most parts on our lift. Channel is useful for many things, you just need to use it right. I'm not going to get into much detail about this, or start a war. You may want to look at older threads that explain pros and cons of both.