In case you don't already follow this gentleman's efforts in walker construction, you should jump over to Colonel O'Truth's electrostatic journal and catch up on the developpment of HMSW Gargantua. This, my friends, is the standard to which we should all aspire.
Colonel O'Truth's Miniature Issues: Rivets and bolts can drive you nuts!: "Hi, All. So here I am again, after another fortnight of tiny rivets and glue fumes... HMSW Gargantua is really taking shape now, alt..."