WAGO 221 parametric mount

Modified the original to output a single row of mounts with the **tabs** on the **back** rather than the **bottom** of the mount. I needed this for mounting wagos on 2020 aluminium frame such that they were perpendicular to the frame for a mod for my Voron Trident 3D printer. As per the original, you can set however many slots of whatever size 221 wagos you are using by selecting the Thingiverse's "customize" option. Note that the screw holes, like the original, are for M5 screws.

TODO
* Modify to suite M3 screws
* Check the WAGO spacing. It's tight but not perfect like a different one I printed.