Extruder Knob - Creality Ender 3 Pro

Name: Extruder Knob - Creality Ender 3 Pro (3D printed)
Brand: Hark Tech
Price: 6.90 GBP
Availability: InStock

by regularlabs · from Thingiverse

Small parts from £4 printed to order · UK postage from £2.95, free over £40 · usually dispatched within 2 working days
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Free community design ♥ 2,120 likes ↓ 24,616 downloads

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PLA from £4 plus UK postage from £2.95. We prepare your model, print it across our calibrated production fleet and quality-check it before it is usually dispatched within 2 working days.

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We didn’t design this model. It’s a community file from its original creator, and now and then a file has a fault that only shows up when we print it, such as walls that are too thin or parts that don’t join properly. If that happens we’ll let you know and try to fix the file, which can add a day or two. If we can’t get a good print from it, we’ll refund you in full.

Good to know before you order

TPU has a £11.50 print-order minimum. ABS, ASA, PC, Nylon and PETG-CF have a £46 minimum; PA-CF has a £69 minimum. Delivery is shown separately in your cart.

Need a few parts? Add them to one cart. One order minimum and one postage charge cover the cart: £6.90 for standard materials, £11.50 with TPU, £46 with ABS, ASA, PC, Nylon or PETG-CF, or £69 with PA-CF.

Please check the model files include everything you need before ordering. We print the files as published by the creator, so you receive the parts in the model, not necessarily a finished assembly shown in any photos. These are community designs by their original creators; we manufacture and post them but cannot guarantee fitment for your specific appliance or use case - check the original design page for compatibility.

About this print

A replacement extruder knob sized to fit the Creality Ender 3 Pro 3D printer. The knob fits over the extruder pin, giving a larger grip surface for manually feeding or retracting filament. It is a simple upgrade that makes filament changes more comfortable, particularly useful when the printer is in an awkward position. PLA is a practical choice for this part, as it is easy to print accurately and holds up well in a typical workshop environment.

From the original design page

Original maker's notes

By regularlabs on Thingiverse · CC-BY

*Last update: 28 May 2020*

A remix of https://www.thingiverse.com/thing:3176144

I adjusted the size of the whole to fit better around the Ender 3 Pro extruder pin.
So you should be able to print this at 100% size and be good to go.

Print upside-down like in the stl file, so that you don't need any supports.

Depending on your filament and temperature settings, the exact size of the hole might vary.
Also, not all versions of the Ender 3 Pro seem to have the exact same size extruder pin size.

So I have also added a measuring tool.
You can print this in like 20 minutes. And helps you decide how large you should print the actual knob.
The tool provides test holes at 94 - 102% size.
Choose the one that you need to use quite some pressure for to place on to the extruder pin.

For the Ender 3 Pro from before 2019 you probably need to print at 100% or 98%.
For the newer versions you probably need to print at 94% or 96%.
And it seems that some of the latest versions (2021) don't have an extruder pin at all to put this on.

Formatting may have been simplified. These are the independent maker's instructions and fitment claims; Hark Tech has not independently verified them.

Printing Extruder Knob - Creality Ender 3 Pro

For Extruder Knob - Creality Ender 3 Pro we would normally reach for PLA — it is the easy, economical default and suits the majority of models. We set the layer height, wall count, infill and supports to suit the model and how you will use it, and those choices are already priced into your instant quote. Want a specific colour or material? Tell us and we will match it where we can.

Model details

Downloads at source	24,616
Likes at source	2,120
Original model	View on Thingiverse
Designer	regularlabs
Licence	CC-BY

Creality Ender 3 Pro extruder knob

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