You’ve picked a difficult way to make your first typeface. A monoline design with a strict vector grid doesn’t leave a lot of room for the kind of optical adjustments needed for balanced and readable letter shapes. But I think even if you want to be strict about those restrictions there is a lot of room for improvement in consistency and composition of each shape.

I started to write actionable suggestions about individual letters but realized it’s probably better to drop this link, which starts at how to draw an ”A” and continues with every letter of the alphabet. https://ohnotype.co/blog/ohno-type-school-a