Edge underextrusion Test Cube

This cube is a test for those who like me have a problem with Ender 3 (but could also affect others) that due to some geometric shapes the layers are not properly connected to each other.
At the moment, it seems to be an issue with z-hop.
Join our discussion about that: https://www.facebook.com/groups/Ender3dp/permalink/234034574071552/