Please don't pre-zoom your images, the forum has its own zoom feature (click to zoom in, click with alt, shift, or ctrl/cmd to zoom out). Upload at 1x, it makes your posts more compact and makes it easier for people to make edits.
The axe in the first frame has a different shape than what you seem to intend for it, maybe that's the problem? If you rotate the axe 45 degrees, the shape you get is something like this:

Even if there's foreshortening, that would just mean the the blade should be a bit more vertically stretched than this, but it's still not the symmetrical round shape you're drawing in your other frames.