
Under bed RAMPS + LM317 fan speed controller mount
cults3d
This is a simple frame to bolt your RAMPS stack plus an LM317 to control your hotend cooling fan, under your print bed on a MendelMax 1.5 frame. LM317 I used can be found here: http://www.amazon.com/gp/product/B00BQHD9H2/ref=oh_details_o03_s00_i00?ie=UTF8&psc=1
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