Miterbox isolation tube

This is a miterbox for isolation tube

30 degree for making a radius (normal 3 cuts needed)
45 degree for making a T-joint

Isolation tube for pipe diameter 15 mm and thichness of 9 mm
Isolation tube for pipe diameter 22 mm and thichness of 13 mm

a version is with supports
b version is without supports

For best printing place it vertical with 30 degree angle at bottomside