Ender Updated

When I got a 3D printer I swore I would not be one of those people who spent all their time printing upgrades for their 3D printer. I&rsquo;m not doing too badly, but printing with the Ender 3 is nonetheless a bit of a self-referential hobby.&#xA;Mine has recently been failing to print cleanly and I&rsquo;ve been putting off the investigation - this weekend was time to dig in and fix it.