Hello!
Is there a way in FreeCAD to round off the corners of shapes specifically like this? Without rounding the edges themselves (i.e., the rounded corner tapering off to "zero" at the edges).
Thank you
Slice the corner, then round the edges of the slice maybe? Or imbed a sphere into that corner where the radius is the desired corner "zero".
Oh the sphere is a clever solution.
sorry wut?
Upon further thought... I'm not sure. Mental geometry is hard.
I was thinking that the radius of curvature would be constant as you rotated around the vertex. It may work:
So you could make a sphere inside your part, but don't merge it with your part, the sphere is just a tool. The radius of the sphere would be the desired radius of your fillet. The sphere would be made tangent to each of the edges that approach the vertex(the corner).
Then you remove everything outside of the sphere. To do that you could sketch a triangle where the points of the triangle land on the three edges. But the plane the triangle sits on needs to be on the vertex of your part and it is parallel to the plane that intersects the three points where the sphere meets the edges. Then extrude your triangle up to the surface of the sphere. But it needs to be a subtractive extrude, so it deletes material from your part.
Maybe I'll try. Its a fun excuse to use freecad more.
make a triangle in the corner, merge it with a sphere using a boolean cut.
Looks like proposal by edwilliams16 very close to solution https://forum.freecad.org/viewtopic.php?p=879759#p879759
Another idea I just had:
Create a plan that goes through the 3 corners that the 3 edges of the corner you want to change, connect to. Create a offset plane from that plane, until it reaches the depth you want to cut off the corner. Then cut it off and use a fillet to make the corner smooth
ou want to change, connect to. Crea
Good, but see this topic and this post, maybe someone will fix this macros someday. Unfortunately too many things fall on my head :( https://forum.freecad.org/viewtopic.php?p=879759#p879759 + https://forum.freecad.org/viewtopic.php?p=880265#p880265
I'm pretty sure that chamfer works. Click the corner and check available tasks there should be an option.
Nope
Huh, indeed it doesn't. It seems like an oversight to me.
There is a workaround by using some kind of boolean operation with a sphere and a cube but this seems excessively difficult to me.
Your own 3D parametric modeler.
FreeCAD is an open-source parametric 3D modeler made primarily to design real-life objects of any size. Parametric modeling allows you to easily modify your design by going back into your model history and changing its parameters.
