Glasses fix nahhh, rebuild!

My step sister asked me if I could fix her glasses? Easier to print new ones! And actually, I needed a challenging desing project, and this was a good one.

But the interest of this thing is not the thing itself, it's more the way I've done it:

I took some pictures of the lenses, then imported them to sketchup. I used the 3 points arc to draw a polygon that has the exact same shape and erased the picture. Then, I scalled the shape to fit the real size of the lenses. I only had to spent lot