I've been trying to print something similar to the picture but without any luck. I'm wondering if standard 0.4nozzle is enough? Or do I need to upgrade to to 0.25? I've seen aftermarket ones that has 0.1 or 0.15 nozzles, but the print cores for them are quite pricey, so I would really like to get some advices before making any purchase.
I'm using UM3 with PLA filament.
According the picture items are printed with 25 micron resolution.