Ultimaker Mark2 - The Smart Dual-Extrusion Upgrade
Mark2 is an asymmetrical multi-extrusion upgrade for the Ultimaker 2, based on Foehnsturm's magnetic tool changer. It offers some unique features compared to conventional approaches.
Keep it smart and simple
The Mark2 upgrade doesn't require to modify or even disassemble the well-working single extrusion setup. Instead it adds a detachable second extruder. This leaves you with several benefits.
Powerful - print quality on par with eg. the UM3 or BCN3D Sigma
Flexible - use whatever you wan
While everyone is probably working on the bugs and without a cheat sheet yet, I thought of compiling the following to help those who may encounter the same issues as they implement Mark2 on their UM2+. Feel free to edit if I misstated anything.
Issue: 2nd hotend falls off when printhead goes to the back of the build plate
This issue may be due to one or more of the following:
1. weak magnets - You might have used a lower rated magnet, e.g., N35, rather than N52 magnets. Solution: Repla
