Hey guys! Today, I’m going to make a hollow corner wedge (for tender as an example of an image), using a union, but it’s unfortunately been glitched. This is due to a Z-fighting. Look for an example of an image:
I’m assuming by the size not being the same, you meant the fill part is too large. But I selected “Plate” and got a part that looks roughly the same thickness as the 2 parts your trying to connect.