Hi, I have used Moi for years and practically never encountered a bug which is why I was surprised today when I tried to do a sweep and this happened...

Basically when I click pointy end the mesh goes crazy. I also notice the same happen when I try creating any sweep with two or more profiles.

Im sure this never used to happen. Im using V4. Dec-22-220

Basically it seems I can do a sweep with a nice smooth rail curve but if I use a simple curve with hard points it doesn't work and I get these weird results.

Oddly, I just tried exactly the same in v5 and I get exactly the same result.?!?!?

What happened?

If you look at the second image the sweep tool seems to have gone nuts.?!?! Can anyone help?