Slice Engineering Slice Engineering Prusa Mini Upgrade Kit

It's time to unlock the full power of your Prusa MINI, with the ubiquitous Copperhead®. We've built a reputation for outfitting 3D printers with premium engineering-grade components that drastically improve performance. The result is less downtime, less wasted filament on failed prints, less tinkering, increased throughput, and higher resolution.

The Prusa MINI Upgrade Kit is more than just a streamlined all-in-one solution for the common problems facing Prusa MINI users, it's the next step in your additive manufacturing evolution. With this plug-and-play kit, you can eliminate heat creep, prevent clogging, and reduce print time. Get back to just pressing print and watching your dreams become a reality.

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Product No. M-9R1-KMMX

Plug-and-Play Design


The Prusa MINI Upgrade Kit is a drop-in, plug-and-play replacement for the stock Prusa MINI Hotend. Utilizing the stock heat sink, heater, and sensor makes installation a breeze, allowing you to reap the benefits of the Copperhead Hotend with minimal printer downtime.

Bimetallic Heat Break


Copperhead Bimetallic Heat Breaks are 60% more efficient at heat creep reduction than monolithic designs. Using the same high-strength copper alloy designed for optimal thermal conductivity found in Mosquito Heat Breaks, Copperhead Heat Breaks boast a higher temperature rating and flow rate potential over PTFE-lined heat breaks.

Super-Conductive Hot Block


The Copperhead Hot Block is named for its hardened, nickel-plated, copper alloy construction. Rated to 450°C, Copperhead enables printing of nearly every commercially available filament, from basic PLAs to medical-grade PAEKs. The hot block design isolates the sensor from the heater with a physical air gap, improving the temperature feedback loop, and features convenient wrench flats to simplify nozzle changes.

Optional Extruder Upgrade


The Bondtech Internal Filament Sensor (IFS) Extruder for Prusa MINI/MINI+ is a cutting-edge evolution of Bondtech's high-resolution extruder. Designed for seamless integration with the Prusa MINI and MINI+, it features a built-in housing for the Prusa filament sensor, hardened drive gears for abrasive filaments, an adjustable thumbscrew tensioner for precise drive gear pressure, and a quick-release lever for efficient material changes.

Prusa MINI Upgrade Kit Includes

  • Copperhead Hot Block
  • Copperhead Heat Break - P Mini
  • GammaMaster Nozzle - 0.4 mm
  • Copperhead Silicone Boot
  • Boron Nitride Paste - 1 cc
  • Capricorn Premium PTFE Tube (Pre-Cut)
  • Optional IFS Extruder
  • Dowel Pin (for filling in extra space in the thermistor slot)
  • Gourmet Orange Creamsicle Lollipop
  • Slice Engineering Sticker

Compatible With:

  • Prusa MINI
  • Prusa MINI+

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