BQ Hotend DIY

The Hotend of my BQ Hephestos Extruder is clogged or damaged. The extruder works fine. A new BQ hotend costs 40€. Way too much.

I ordered a heater block, heater cartridge, thermistor and nozzle on aliexpress.

The BQ Hotend is mounted in a 6mm hole and secured with a bolt.

I bought a 6mm pipe with 1mm thickness in the local hardware store (https://www.bauhaus.info/metallprofile-kunststoffprofile/kantoflex-rundrohr-/p/10526883).
I attached a M6 outer thread on the one side and a M5 inner