Updated Readme

Recent changes. Document issue with magnet lid holder.

README.md

@@ -8,13 +8,16 @@ Openscad Code by sjc (Stephen Carpenter)
 I really liked some of the Drybox options I found, especially the
 [Unoriginal Prusa Drybox](https://www.printables.com/model/551828-unoriginal-prusa-drybox)
 but I stock different sized heat set inserts and I don't use normal CAD.
-So I set about to rebuild it in OpenSCAD the way I like.
+So I set about to rebuild it in OpenSCAD; my way.
 
 Version 1.0 fell off its mount. 
 V2.0 has feet that hook onto the mount, Magnets for hinged lid and
 doors, and a buffer mount for the rear.
 Version 3.0 goes together without glue so parts are replacable.
 
+Silica cup mounts have inserts spaced to mount a 1x3 Gridfinity base.
+Cup and base generated from gridfinity_extended. (see Other Sources)
+
 # Building
 
 Insert models use my 
@@ -30,18 +33,21 @@ parameters have been well tested. Good Luck.
 Parts snap together solidly, shove a small piece of filament in the
 tiny holes in between them. 
 
-TODO:
+## TODO
 - Cleanup
-- Door Handle
-- Hold-up door?
+- Need lid magnet
 
-Done:
+Lid has features that block access to magnets. Also, handle too large.
+Need to bridge gap!
+
+## Done
 - Hinge cut for door fit
 - Removed inserts behind door
 - Removed window/floor inserts from corners
 - inset offset to edge
 - Need Mount for Buffer
-
+- Door Handle
+- ALL THE MAGNETS!
 
 
 V1:
@@ -53,3 +59,6 @@ Back Bottom Edge (pcm) 12h 136 g
 # Other Sources
 
 Magnet.svg by [Solar Icons](https://www.figma.com/community/file/1166831539721848736?ref=svgrepo.com) in CC Attribution License
+
+Silica Cup and Gridfinity base generated from
+[gridfinity_extended](https://github.com/ostat/gridfinity_extended_openscad)