Let’s Prototype! This Filament End Needs 80 Decibels
Reaching the end of a spool of filament when 3D printing is inevitable. The result ranges from minor annoyance to ruined print. Recently, I needed to print a number of large jobs that used just over half a spool of plastic each. Unwilling to start every print with a fresh spool (and shelve a 60% used one afterward), I had a problem to solve. What my 3D printer needed was filament monitor, or at least that’s what I thought.
After reviewing some projects and aftermarket options, I ended up making my own. Like most prototypes, it wasn’t an instant success,
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