by Digitalmagic » Sat Mar 30, 2013 8:32 pm
I successfully extruded some 1.75mm ABS with the custom 0.30 nozzle, mounted on a makergear heatcore.
The extruded spaghetti is 0.35mm, comparing with 0.41mm when using a 0.35 nozzle.
Now, am gonna print the same part with 0.35/0.30 nozzles to see the detail enhancement.
With slic3r 0.99 released today, allowing multiple layer heights, it is even more interesting to have dualstrusion to combine layer height and nozzle diam to refine part printing.
EDIT: I printed successfully with my 0.28mm nozzle a simple part with flats and rounds to clearly see the layers.
I printed the same part, with same settings, using a standard 0.25mm nozzle (not mine) to compare.
The 0.28mm gives a quite close result, with more small peaks here and there, but very satisfactory.
I did not get any clogging with my custom nozzles, though I always try to lower extrusion temp at the lowest (205°C / 204°C) when infills aspect starts to look weird.
Now, am preparing 0.25mm and 0.20mm nozzles to explore the ability to fine print.
The printing test am looking for is to match the nozzle diameter with layer height, like 0.20/0.20 0.15/015 and if it extrudes, 0.10/0.10.
I don't think "vanilla prints" need this level of fine grain, but it is interesting to know it is possible, perhaps for some parts requiring mechanical/artistic details.
Also, there is a new trend of "acetone spraying", which can really turn low res part into an apparent more detailed part, with a shiny look.
This trend is clearly at the opposite of fine printing, printing faster, and offering a good post-processing finish, though.
Fine printing on one end, and acetone spraying on the other one, just widen the printing capabilities.
(And multitrusion, BTW)
Trying to add comparing pics soon.
Human has 20 nail ... extruders.