Using @Hanfian’s CutoutWall module, I created this plugin to allow developers to quickly cut walls without unions, just math, in edit mode. Here’s a demo video from @Hanfian’s original post:
If you’re wondering, I do have permission to make this plugin, the creator said so himself:
How did you do this? Can you show how u did it?
SHEEEEEEEEEEEEEEEEEEEEESH 
Seriously speaking tough, this is easily one of the best plugin’s i’ve found, also gonna check the module out.
Thanks for the feedback! Yeah, I thought that the module would be more useful if converted to a plugin.
Are u just creating a parts around the parts?
Does this work with all axis and any rotation? And if not will you make that in the future?
This is incredible! Thank you for this.
This currently doesn’t work with all axis, and I may make it in the future.
Yes, that is the way the module works.
Amazing plugin, will be making exterme use of this, also does this support rotations?
this plugin fr gonna save me so much time thanks man very cool
Sweet! This will be helpful. 
Honestly a spectacular plugin! Makes making things as simple as doorways and such SO much easier.