8¢ Direct Drive Upgrade for Double Gear Bowden Extruder
thingiverse
This is the cheapest and fastest direct drive upgrade you will find for your Ender 3 double gear extruder. Though not perfect, it just does the job. Notes: - Your X axis will shrink to 200 mm and you will need to figure a way to offset the endstop (I place a block next to carriage during homing for example) - The extruder hole isn't perfectly aligned, however it is within 1 mm range and does not introduce any resistance. - You will have to figure a way to cut your PTFE at the right length. - Beware the thin plate isn't sturdy - but when it's mounted completely it stays firm. - Keep in mind that it's the cheapest solution out there - keep your expectations low.
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