Here are the Parts to Build the Toast3D Toastprinter.
You also need:
8x M3 x 16mm screws
4x M3 x 25mm screws
12x m3 nuts
2 pieces 8mm rod 140mm length
a few 20ml syringes (Braun)
5mm - 6.35mm coupling (max 15mm diameter, 21mm length)

IGUS Dryspin spindle: https://content.communication.igus.net/dryspin-muster-steilgewinde-3?__hstc=184477177.d4b1a2abadb3cd4cb6f04efa7282c29f.1641651405902.1668521406000.1669551737542.4&__hssc=184477177.2.1669551737542&__hsfp=1885874818

If you don't want to use the Igus spindle you can use a normal leadscrew with a pitch of 8mm instead. You can use M92 in your G-Code to adjust the steps/mm. And you need a coupling 5mm - 8mm.

The Head assembly shows the arrangement of the parts.

if you don't want to play with the firmware you can disconnect the heater cardridge and the thermistor and use a 330 ohms resistor instead of the thermistor. So the load and unload function works without any problems.