So this is a question that has been bugging me for a while.
When do I need to move to a smaller nozzle?
(I know the extruded filament will not equal the exact diameter of the nozzle. I’m just trying to keep it simple).
Should I design my parts such that their sizes are a function of the nozzle diameter? Example, wall of the part is 0.5mm thick, nozzle is 0.5mm, one passes equals 0.5mm. Wall thickness of 0.75mm I will have issues?
Now I could run the 0.5 nozzle and make a single pass or drop down to a 0.25 and make three passes.
Using Slic3r I could leave the 0.5mm nozzle and adjust the size of the extrusion widths down to 0.25mm and let Slic3r generate the tool path to make a double pass.
I have done this in the past to force Slic3r to make multiple passes across thin areas were I was having problems with porosity.
What is the best process here?
Also, when going to a smaller/larger nozzle should the Retraction Length and Minimum Travel after retraction be adjusted with the nozzle change?