Similar to my other miter box (https://www.myminifactory.com/object/3d-print-miter-box-for-us-1-inch-pvc-pipe-35mm-72078), this is a miter box that I made specifically to cut PVC pipe at US 1.5-inch internal. I don't know if this is how it's done in the rest of the world, but in America the pipe diameter is the inside, not the dimension on the outside. The external diameter is actually 48.6mm or roughly 1.9 inches.
I decided to make this a uniform 50mm width (you know, to be globally-minded), so there is a tiny bit of wiggle room when using standard 1.5-inch pipe, but not enough to be a big concern. The ends need to be sanded down after cutting anyway.
The box is designed for straight cuts as well as 15°, 30°, and 45° cuts.
At this point, I don't plan on doing one for 2" PVC - I have a very specific Warframe-related use for these miter boxes - but I guess you can scale this if needed. Be aware that scaling also increases the size of gaps for the saw, which is why I made a separate file instead of scale up the 1-inch version. If there is enough demand for a 2-inch miter box, I'll modify my original and make it available.