With this, I want to sum up all basic upgrades, mods, some suggestions and more. I have made a little test print you can try to print. You can download it HERE. some basics, mods and upgrades for the bed. some suggestions for the hotend (cover, silent fan, better cooling).
new spool holder and better management of the filament. some design advancements . vibration dampers. making the printer completely silent (fans, new motor drives). some useful tips for a firmware upgrade.