For the workbench (after some googling);
I was going to make it out of 4×4 uprights/legs (fence posts maybe), 4×2 cls ‘cross members’ and something like an 18mm ply top? I need to bolt my hefty record vice to it though so not sure if 18m ply will be substantial enough?
This is my effort. They’re 2×4 beams and it’s incredibly sturdy – it weighs loads too 😀 As you can see, I have a small vice which is very secure, I can easily put all my weight through the 6″ handle without moving the bench / bending the top sheet. The top is ply, 18mm sounds about right.
Total cost in materials = ~£60 IIRC
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Untitled[/url] by thezephyrboy[/url], on Flickr
http://www.hammerzone.com/archives/workshop/bench/below20xl.html
I used these instructions, although I used ply for the top rather than OSB to give a nicer smooth surface. The shelf is just OSB though to save money. It would have been very easy if I had a decent drill/driver but mine was rubbish so it took way longer than it should have. At some point I might make some drawers to go underneath – to act as the equivalent of a snap-on chest.
The only comments I have about the method is that to make it the way they suggest (I.e. in two halves), all your joints have to be perfect, and all the wood perfectly straight. Which they weren’t so it hand to be manhandled into shape for the two halves to fit together. Would have just been easier to build a square frame, then do the legs etc.
If I was doing it again, I might leave more space under the shelf for storage E.g. for riding shoes but it’s a minor point.