Precision Z-Axis Stabilizer!

Since Creality was running a special on the Ender 3's I purchased a number to refresh our print farm here at DIY3DTech and with this converted to them direct drive extrusion using this kit (see more here: https://www.amazon.com/Printer-Extruder-Flexible-Filament-Creality/dp/B0824ZQ3D1/ref=as_li_ss_tl?dchild=1&keywords=B0824ZQ3D1&qid=1597021051&sr=8-1&linkCode=sl1&tag=diy3dtech-20&linkId=0b775bbdcfed582a7239f9b10519d871&language=en_US ). Because the Ender 3 has only one Z-Axis and we are adding weight to the moving hotend with motor and extruder we wanted to provide additional support to the Z-Axis lead screw. Now there are a lot of Z-Axis bearing based retainers out there however all of the ones I have used in the past where fixed and designed to fit the creators machine. Now these would fit "in general" other machines, however we want one where we could adjust the fit in a "precision" way so we designed this one!

Here we use two common 20mm bed leveling springs (see more here: