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I purchased a 3D printer kit from AliExpress.
Here are some after thoughts on how I liked it, a little overview of 3D printers and why I bought this one.
Pictures of the printer as assembled, and a few items I printed http://www.travestylabs.com/3Dprinter/
I hope to make this into a series about software, tips and modifications, and other thoughts I have to share about it.
I expand some on Jon Kulp's show on using Labels in Audacity. Specifically, I comment on importing a Label track from a Tab separated text file.
I go on to talk about using Notch filters, a Nyquist-effect plugin for Audacity. Notch filters work extremely well on certain frequency centered noise like mains hum.
I follow up by talking about chains. A way of doing batch operations directly in Audacity.