Long ago I found a couple of bedsteads thrown out by the wayside. With my trusty angle grinder I deconstructed the bedsteads and provided myself with a lifetime supply of angle iron, I am here to tell you, bedstead steel is super-excellent. I could make tools out of it, and will in the future. So the idea is this: we have a fixed jaw on a vise (angle iron). We have a movable jaw. Angle iron too. Finally we have an end block. For this I used 13 mm (1/2") square bar. I bought 10 foot of ths stuff for $7 from Fastnall in Wasilla. Now the whole megilla has to be lined up, clamped, and drilled in the proper place. It was quite difficult to keep the whole aligned as I drilled it:
And there is my vise. Now we have to countersink screw holes to take wood screws so I can hold down to the wooden block. Then use wood screws to hold it down. Then realize you need a shim under the movable jaw. Adapt a pice of aluminum. Then you have a vise.
More to come.