Nut Trap for 21mm ID tube / 6-32 Nuts for MPCNC 525 F-25mm OD

The included nut trap from the MPCNC 525 F-25mm (https://www.thingiverse.com/thing:790533) was too large for my tubing, and the customizable paramettric nut trap (https://www.thingiverse.com/thing:907882) wasn't working (the nut diameter wouldn't resize). So in the end, I had to create my own.

My tube specifications is 25mm outer diameter and 1.6mm walls I bought from Screwfix UK. https://www.screwfix.com/p/deta-class-4-conduit-tube-galvanised-25mm-x-3m/7442j

But after using a tube cutter