I made several minor design mistakes I had to fix. Some holes in the sheet metal were 1mm off, so I made this fixture for re-machining the holes. Small mistakes like this sunk a huge amount of time, because each on has to be fixed between 50 and 150 times. Fortunately everything was salvageable.
Some of the images are below – see the post for all of the images and the captions. Wonderful!
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