Help with smooth transition

[jacobp303]

Hello I'm new to this and would be happy with some help. How would I best go about and fix a smooth transition from a rounded shape to a square one? 

[g-andresen]

Hi,

please share the file for reply

File > export >save as f3d on local drive > attach to post

günther

[jacobp303]

Only option seem to be f3z but there are no links. Prior I have used another body to cut the current one but again, no links visible anymore

[jacobp303]

I did try to share a link but then it says that is sharing a reference. Any idea of where to find this reference

[jacobp303]

Here it is but without the cut out