[Erik Topolski]

I had similar issues… almost every font I tried had artifacts after I applied Fillet Caps in C4D. Also, artifacts got worse when I checked the Constrain box in Caps options.

After tweaking for hours I found a fix…

SOLUTION: add / subtract anchor points in Illustrator

After you convert your text to outlines in Illustrator, use the Anchor Point Tool to add and/or subtract anchor points.

Erik Topolski
C4D + CS4