Under bed RAMPS + LM317 fan speed controller mount
thingiverse
On a MendelMax 1.5, bolt the RAMPS stack with an added LM317 for hotend cooling fan control to your printer's frame using this simple design. The required LM317 can be purchased from Amazon at http://www.amazon.com/gp/product/B00BQHD9H2/ref=oh_details_o03_s00_i00?ie=UTF8&psc=1. To set it up, follow these instructions: attach the printed mounting frame to your printer's frame, secure the Arduino board onto the frame, screw the LM317 board in place, carefully connect the RAMPS board to the Arduino board and finally wire everything up.
With this file you will be able to print Under bed RAMPS + LM317 fan speed controller mount with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Under bed RAMPS + LM317 fan speed controller mount.