I had put steps on each side of the outer ring blanks. These steps were to be used to have a reference surface parallel to the trough axis. But af...
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This last step is pretty straightforward – especially compared to the previous steps. I just need to get a cylinder that looks good.Â
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First I d...
 Now I can glue the two assemblies together. The thin strip in the saw kerfs provides the required alignment. This step was a bit stressful. The th...