Prusa MK4 — ASA

MK4 can print ASA but warping is a real risk without enclosure. Use draft shield in PrusaSlicer. ASA is superior to ABS for outdoor parts: UV stable, less warping than ABS. Temperatures Speed Cooling Retraction Quality Notes Tips Enclose the MK4 with a DIY box or Ikea Lack enclosure. Without it, expect warping on larger parts. Use brim for adhesion.