Brilliant! Miter limit fixed all. Very much appreciated.

Duplicate LPE was unintentional - had a hard time trying to achieve the effect.

~suv wrote:Does the error persist in exported bitmaps

Yes, the spike above the "A" does export in bitmap, so it doesn't appear to be a browser issue.

If there's no other obvious solution, is it possible my Inkscape program file is corrupted? I haven't had any problems before now.

Thanks all, really appreciate the help. svg file is attached.

Here are two versions. As noted, the artifacts appear, move and disappear when scrolling the image, but can't be "selected", and aren't included in any selection. Thanks

Thanks for your replies - I'm having trouble getting the screen shot pasted in here....clearly not sure what I'm doing. Could you tell me what to do, by the numbers? (red cheeks). At any rate, I've noticed that if I scroll the window up past the image, the artifact moves, appears over other letters,...

Hi, relative newbie with Inkscape. Working with text, envelope deformation to create arched logo, and a triangular shape has just appeared, attached to the top of one of the letters. It doesn't change with zoom in or out, doesn't select or erase. It can be hidden by an opaque square. It occasionally...