Dual hot-end adaptor.
thingiverse
These are two adaptor plates to turn a normal Repap with the extruder on the X-carriage into a two hot-end printer. The T shaped part fits where the hotend would. The large part bolts to the x-carrage and can hold two hot-ends. This thing was made with Tinkercad. Edit it online https://tinkercad.com/things/fsba2cAItSM Instructions Print this. Unbolt your hot-end & extruder. Connect these two parts with a PTFE tube that has a M5 nut on each end. bolt the large part to the x-carriage. bolt the small T shaped part to the extruder where the hot-end was. bolt the hot-end to the x-carriage. Now you can print a second extruder and T-shaped part to add a second hot-end to your printer.
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