Marble Run Screw #3
thingiverse
I crafted the impressive Marble Machine #3 but encountered an issue where the screw failed to grab the 9.5mm steel balls accurately. I reengineered the screw's design, and it worked flawlessly on its first try, so I thought I'd share my experience in case anyone else has had a similar problem. I printed this model with supports on its side because my screw pitch differs significantly from the original. The supports came off easily, and I was up and running with this part as soon as I removed them.
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