MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.

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Thanks! We are about to do 2 segments on this subject in the coming weeks. These springs can work: https://www.amazon.com/gp/product/B076LVLHP4/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1
Don't mod the limit switch.