T 2.5 idler pulley 3mm axis 24 mm height

Model originally uploaded to Thingiverse at https://www.thingiverse.com/thing:1207113.

Just a very basic idler for the common T 2.5 belt (I guess it works also in GT2...) no teeth, nothing else than aidler used to add tension to a belt. Of course a very basic one, non ball bearing, non bushings, just a hole and a 3mm bolt in it... but it works for me