Filament grinding. Solution: Your retraction distance is too high. For direct drive, set retraction to 1.0mm at 25mm/s (not 6mm like Bowden).
Many users report that 70% of their prints fit within 150mm, making the MiniPro 6.85 a space-efficient choice for dorm rooms, offices, or small workshops. The 6.85" diagonal measurement also means you can print objects that would just barely exceed the Prusa Mini’s 180mm round bed. One of the biggest fears for new users is bed leveling. The MiniPro 6.85 employs a 32-bit silent motherboard with an integrated automatic bed leveling (ABL) sensor. minipro 6.85
The standout feature here is the . In this price range, most competitors use a Bowden tube setup (where the motor is on the frame, pushing filament through a long tube). The MiniPro 6.85’s direct drive places the motor directly above the hotend. This drastically reduces retraction issues and allows you to print flexible filaments like TPU effortlessly. The 6.85-Inch Sweet Spot: Why Build Volume Matters Why 6.85 inches? The 180mm cube is a strategic size. It is large enough to print a full-sized helmet in pieces, a drone frame, or a functional bracket, yet small enough that the printer fits on a standard IKEA Lack table (which measures 22" x 22"). Filament grinding
For the hobbyist who wants to print D&D minis (at 0.05mm layer height), functional PETG brackets for their workshop, or flexible phone cases, the MiniPro 6.85 delivers professional results without the professional price tag. Many users report that 70% of their prints