Jump to content
Ultimaker Community of 3D Printing Experts

Change the nozzles of your Ultimaker 3 with this simple tool

Recommended Posts

Hi all,

Just a small topic about a design i made to change the nozzles on the hardcore by 3DSolex.

If you don't know what the hardcore is please check this topic that @UltiArjan did about it.

So i have been trying the hardcore for about a week now and i'm very satisfied about it, altough changing nozzles is a bit more complicated than on the Ultimaker 2+ because of the way the core is designed.

Basically you need to take the core out of the printer in order to change the nozzle and hold the block with a provided tool (or anything else) and make sure not to put any torque on anything else than the block.


So i designed this small tool in which you insert the provided metal tool. You just slide the core inside upside down and make sure it's well in place, then you can change your nozzle easily.

I printed my version in platec so i can basically also do it with the block still hot as it resists up to 120°c. There's also a dual version for fun :)

How i use it:

- Remove the filament.

- Do a cold pull

- After a cold pull shut down the printer and take the core out

- Place it in the tool

- Change the nozzle

- Put the core back

Make sure that your Z Offset is still good (easy to calibrate)

And done!

Feel free to give your thoughts or advise on some changes. I can also provide step of Fusion 360 files if you want to play with it.


Edited by Guest
  • Like 1

Share this post

Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

  • Our picks

    • Ultimaker Cura | a new interface
      We're not only trying to always make Ultimaker Cura better with the usual new features and improvements we build, but we're also trying to make it more pleasant to operate. The interface was the focus for the upcoming release, from which we would already like to present you the first glance. 
        • Like
      • 122 replies
    • "Back To The Future" using Generative Design & Investment Casting
      Designing for light-weight parts is becoming more important, and I’m a firm believer in the need to produce lighter weight, less over-engineered parts for the future. This is for sustainability reasons because we need to be using less raw materials and, in things like transportation, it impacts the energy usage of the product during it’s service life.
        • Like
      • 12 replies

Important Information

Welcome to the Ultimaker Community of 3D printing experts. Visit the following links to read more about our Terms of Use or our Privacy Policy. Thank you!