YOU'RE TELLING ME YOU USE COINCIDENT CONSTRAINTS TO BIND POINTS TO CONSTRUCTION PLANES????
I am so mad rn, but also so relieved; I knew there had to be a way to force several lines in a 3D sketch to be coplanar but the method fusion goes about it...... I have been successfully avoiding the issue with some parallel sketches and geometry but there comes a point you wanna do something where that won't cut it.