Simple Idler Tarantula (Without Tensioner)

Will work with Y-axis, and with additional parts the X-axis (WIP)

1 Idler Wheel - http://openbuildspartstore.com/smooth-idler-pulley-wheel-kit/ (or check AliExpress)
The nut and bolt that usually comes with it.

That's it! Plastic cost is about 15 cents. It is printed using the pegs as support, and the overhangs are all working using Cura. Fan is probably required however.

Using the strength of compression, this made my Y axis super smooth.

This is very simple, and reduces the length of your Tarantula for all you enclosure fans.

Finally you end up with a handful of useful spare parts!!! Just make sure you print spare simple idlers.