Slice3r parts improvement
I'm a rookie in the 3D printing area, and of course in the use of the i3 MK3.
I printed my first own 3D design without problems, but some detail needs to be enhanced. This is one of them;
The edges of my model are rounded, but when is import to the Slice3r PE software turns into rectangular. The problem is that the printer, of course, is guided for the Slice3r PE model, and inded printed my part with the square edges...
So my question is, how can I solve this design issue?
Re: Slice3r parts improvement
Actually, your cad software is creating a part with minimal vertices when it exports to STL. But when displaying, it is using the vectors you designed with, and smoothing the display to look pretty. Your cad software probably has controls for export scaling: Look there. The printer (and Slic3r PE) are simply doing what your cad software told it to do.
Essentially, all cad drawings are a set of vectors. When drawing, math can be used to define a circle as a line with an arc; but when exporting the arc to a printer, in most cases the arc line must be vectorized. This means chopping the arc into a lot of shorter pieces that represent the circle. In most cases, the software will minimize the number of vectors unless told to do otherwise. In your case, your cad software is chopping the circles into 20 or so vectors. You need to tell the cad software to use a higher vector/vertice count when exporting.
Re: Slice3r parts improvement
Is that FreeCAD that you are using? Looks like it to me.
If it is FreeCAD you are running into an issue that I had and found how to resolve. Unfortunately FreeCAD doesn't help you by hiding the setting. The problem here is FreeCAD dynamically adds to it's preferences settings based on what workbenches you have opened on the current instance. (Instead of populating the preferences based on what workbenches are installed.)
Here is what I see in preferences when I first open FreeCAD:
But the setting you want isn't there. First you need to select the "Mesh Design" workbench. (You don't need to open any design. Simply activating the Mesh Design workbench is enough to allow you to change its settings.) Now when you open the preferences and select the Import-Export section there is a new tab called "Mesh Formats". Here it is with the default setting:
You need to change the Maximum mesh deviation to something smaller. I've had good luck simply by moving the decimal point to make the setting 0.0100mm (which when you re-open preferences to verify that the change stuck should now read "10.0000 µm"). I haven't tried any other settings, so depending on your design you may get too many triangles. This setting is persistent so should be still there after closing and re-opening FreeCAD.
If you aren't using FreeCAD, I apologize for wasting your time.
See my (limited) designs on:
Printables - https://www.printables.com/@Sembazuru
Thingiverse - https://www.thingiverse.com/Sembazuru/designs