Sergei Slovenija
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If you've seen good DIY metal bed designs, share that knowledge in this forum thread. Thank you
The thought flashed and I fixed it here
The thought flashed and I fixed it here
Stuff you have made today
Not stupid, its not a tool you'd ever come across unless you're playing with lenses. Yes, a little pin spanner. Here's a picture of a cheap one from eBay; Lots of lenses have the front element (and often more inside) held in with a threaded ring with two slots of holes to engage with a tool...
www.mig-welding.co.uk