I have an air rifle and a while ago I purchased some silicone oil to lube the parts; I recently started using it to lube the threads, rods and bearings and the printer runs very smoothly.I have heard that it is good to lubricate filament and along side this I am currently printing a filament filter which holds a sponge to pull dust etc off of the filament as it feeds. Would a small drop of silicone oil on the sponge be good for lubricating filament? Or would I need something else? Is it even necessary?Thanks everyone 🙂 http://ift.tt/28UWvrs