So here I go again, got my rapid slowed down that's obviously not it.

I am cutting rounded corners like you can see in the pics.

Just to confirm, this is not carbon fiber?
https://plus.google.com/107572407151874373348/posts/61szKjXU6x4

Buffer overflow? Dropped moves??? I give up.

Is it still JS-Cut that you are using? Did you ask someone else to slice the gcode for you and try their gcode?

Just JScut.org that’s the only way I know how to do it.

mmmm… interesting… very interesting… I can gen gcode for you. Send me the file. and send it to some others, too.
You’d benefit from seeing any differences…

Is your tinyg cooling fan plugged into your tinyg? If so, if you unplug it and point a desktop fan at it instead, will it behave?
I guess it could be that the fan is causing the current to drop from time to time if the fan is plugged directly into the tinyg.

@NathanielStenzel
Ill try that.