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Appreciation post: my $45 DIY workbench held up after I dropped a 200 lb engine block on it, but this forum would've trashed it
I built this bench 7 months ago in my garage in Boise out of scrap 2x4s and a sheet of 3/4 ply I got for $45 total. Everyone online told me I needed 4x4 legs, lag bolts, and a $300 hardwood top or it would wobble apart. Last Tuesday I was pulling a 200 lb short block off the hoist and it slipped and landed square on the bench top. The ply dented maybe a quarter inch but the legs didn't splay, nothing cracked, and I finished the job that night. I get that overbuilding is safer but telling every beginner they need to spend 6x more on lumber feels like gatekeeping. My joints are just glue and 2.5 inch screws, no pocket holes, no brackets. Has anyone else had a cheap build take a hit and surprise you, or did yours fail like everyone warned?
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irishenderson4d ago
The thing nobody talks about is that a sheet of plywood is basically a stressed skin panel once you glue and screw it down, and that's why your cheap bench ate a 200 lb hit. The top acts like a web, it spreads the load across all your legs at once, so the force never hits one joint by itself. Guys building these giant laminated maple tops with 4x4 legs are often spending all that money and still just relying on the bolts, not the skin. My old bench was pine 2x4s with a screwed down ply top too and I dropped a cast iron bathtub flange on it, same deal, dent but no break. The failure stories you hear are usually from people who left the top loose or only screwed the edges, then yeah it racks like a card table. You accidentally built it right.
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