Here is a small enclosure to host a DIY version of the TL-smoothers.
This circuit is put in between the control board and a stepper. You will have to cut the cable. It's made of 8 diodes 1N5404 and is supposed to reduce vibrations when motors stop.
Work only with DRV8825. Don't know if it works with other stepper drivers.
This is a test ! If you want to do the same, do it at your own risks !
No electric nor fire security tests have been done !
The enclosure is only here to prevent shortcuts.
Original idea and conception here : http://www.engineerination.com/2015/02/drv8825-missing-steps.html
Thx to the author for his work.

WARNING : Diodes inside the case are getting hot during a long print. If you print it in PLA, cover may bend a little and fall from the case. It is recommended to print it in ABS or any matter more resistant to heat.