After trying out the original nozzle park and brush mount I noticed it was a bit finicky to setup, so I went ahead and designed my own version: my project incorporates the adjustable dock from klicky00 which allows fine-grained z height adjustment, and a new brush holder allows easier y adjustment with just two screws.
The brush is a standard bambulab silicone brush, while the parking spot is made using aluminum foil
In order to fit most people's setup I created:
- a standard and a taller dock
- three different brush mounts (standard, low profile, and ultra low profile)
- two versions of the brush holder (with and without nozzle parking spot)
BOM
Dock
- 3 M3x5x4 heatset inserts
- 2 M5x16 BHCS
- 1 M3x25 SHCS
- 2 M5 roll in tnuts (for the 2020 extrusion, the ones that stay in place with a little ball bearing)
brush mount
- 2 M3x5x4 heatset inserts
- 2 M3x8 SHCS
brush holder
- 2 M3x5 SHCS
- 1 bambulab silicone brush
- aluminum foil (for the nozzle park option)
Printing
all stl files are pre-oriented, no supports needed. Print preferably in ABS/ASA using standard Voron settings
Assembly
- install 2 inserts on the front part of the dock, as well as one in the height adjuster
- screw the M3x25 bolt into the height adjuster, halfway is fine
- insert the M3x25 head into the dock recess at the top. Screwing the M3 bolt will move the dock opposite to the screwing direction (screw → lower, unscrew → higher)
- install 2 inserts on the brush mount
- mount the brush mount to the dock using the 2 M3x8 bolts
- stick the nozzle brush to the brush holder of your choice
- refer to the original model for instructions on how to install the aluminum foil
- mount the brush holder to the brush mount
- fasten the completed assembly to the frame using the 2 M5x16 bolts, by passing them through the height adjuster holes, don't tighten them entirely
- set the height of the dock using the M3x25 bolt, and when happy fasten the M5 bolts fully
Options
I included a bunch of options to fit most users, I would suggest to either print every stl and use the piece that works for you or go with standard height dock and brush mount and swap them out if needed.
Beacon/Cartographer users
The standard brush mount may be a little too tall for you, and your probe could hit it when scrubbing. Check out the low and ultralow (and extralow? Check out the comments to see if you could be better off with that) profile brush mounts to find which one clears your probe best
I had success with multiple toolheads and hotends by using the standard height dock and low profile brush mount
Tips
- print a set of what you think will work, and if it doesn't then print a bunch of brush mounts in pla to try out, they won't require you to heatsoak the printer and you will be able to test them just some minutes later
- if you already printed a brush mount (which doesn't work) and don't want to keep going through the hassle of printing others, then you could instead use spacers between the brush mount and brush holder. Something like m3 spacers, m3 nuts, or even m4 nuts will work, and raise the brush by a small amount which will probably give you a usable dock!
Why so many brush mounts? Wouldn't adjustment screws be better?
Ideally you would print a single piece without any adjustments, which perfectly fits your own setup and is as sturdy as possible. This of course would be a pain so I decided to move all the adjustment options to the brush mounts, choosing the proper one is simple enough and removes the need of having another sliding part which would make the assembly wobblier than it needs to be