Anet A8 Ergonomic Retained Extruder Release Button

by danohpsp, published

Anet A8 Ergonomic Retained Extruder Release Button by danohpsp Jan 16, 2017

Design Tools

Fusion 360

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This is a more ergonomic extruder release button for the Anet A8. It has features in the base of the design that utilizes two of the tie-wraps that come with the A8 machine kit in order to retain the push button on the extruder screw. It's a real finger saver. Top of the unit is concave in order to prevent slippage.

Print Settings


Anet A8










Print the design with the screw hole downward. I use 230 degrees C for PLA with a heated bed at 50 degrees C.


Add two 3mm wide tie wraps into and out of the two sets of holes at the base of the design and tighten them securely with needle nose pliers.

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Thank you so much for sharing your design, helped big-time for this fresh noob in the world of 3DE Printing with my first 3D Printer !

i am very grateful, keep up the most-excellent work !!

First thing I printed. Wanted something small and useful as a test item. So glad i did my fingers thanked me right away. Came out no stress with default settings in cura 2.6.1 only change was to 0.1mm layers

Thx man no more cursing while changing the filament :D

It is a real relief for my thumb.
But I printed out only one (upper) half of the button, since it is absolutely not necessary to fix it to the bolt with tie wraps (or anything), because the button is never pulled. There the design is a bit overengineered IMHO.

Over-engineered? You want it to fall off the machine and get lost.

In my case, it fits the hex bolt really tight and would need to use quite a force to pull it off, so I am not afraid of doing so unintentionally.
Just a comment; anyway, the shape and big area of its upper part is perfect.

It fits perfectly, printed very fast, and works great!