Clip on door frame 350mm (#743)

* Update README.md

* Rename .stls to prepare for addition of 350mm files.

* Add 350mm .stl files.

* Update readme.

* Add 250mm versions, fix 300mm angle.

* Update README.md

Remove reference to missing 250mm version.

* Add .step files.

* Fix print orientation.

printer_mods/scanlory/clip_on_door_frame/README.md

@@ -8,10 +8,6 @@
 
 If you use the stock V2.4 magnetic door latch, extended_door_latch is provided which moves the frame magnets out closer to the handle magnets.
 
-### Important Notice ###
-
-These are currently sized for the 300x300x300mm V2.4 build.  If anyone is interested, I can make them for the 250 and 300mm sizes as well.
-
 ### Kind-Of Important Notice ###
 
  The parts are not symmetrical - there is a 'thick' side and a 'thin' side.  The thin side goes towards the frame.