We are using the Kobra S1 for 4 color printing. Currently about 600 hours now. I really like it.

Some Issues.

• Slicer software needs improvement
• Multi-color printing wastes a lot of filament during color changes
• Keeping the poop chute clear can be a chore.
• Filament path can be tricky to clear. Cheep filament can be a chore if it breaks.

Some Items I really like.

• The combo price for the printer and the ace unit is very cheep
• Excellent single-color print quality
• Multi-color printing works well, especially with the ACE Pro’s filament drying feature
• Fast setup
• Reliable auto-leveling
• Printer hot-end replacement is easy. Just remember to make sure the hot-end latches. I messed up once and it was not pretty.

I will post some pictures of prints i get from this printer.