You build airplanes for a hobby, and you're worried about this?! |
Well,
model airplanes, I don't think they're harder than doing this

Regarding the plans on the link, it seems like a nice machine but adding $30 to an already expensive project, while it could be done for free...
There is a Home Depot here, problem might be looking for non-metric stuff... also, I'm, not that precise while cutting ¬_¬
Update: My dad needs it to have a precission of 0.01mm, for making PCBs
By the way, turns out there's another Argentinian building a router (peu)