Face Shield Frame Rack - Rack or Stack

This was created as I was producing the 3DVerkstan face shields (https://3dverkstan.se/protective-visor/?fbclid=IwAR1dQ1qstvOAFkMWOB7NAC0poGosp2XY62oZ83y59HfOtUT6HbPZaZKY97Q).
I was finding it difficult to easily manage or move more than 5 or so before they got tangled. With this, you can neatly store and move dozens at a time.

Can be used in two ways:

1. (Stack) Print a single unit, insert 2x 9.5mm dowel into the two inner holes (top or bottom, doesn't matter). Lay on it's back and thread the loops at the back of the frames over the dowels.

2. (Rack) Print two units, insert 2x 9.5mm dowel into the two outer holes (top or bottom, doesn't matter). Stand horizontally and hang the frames across the two dowels.

In both cases, the longer the dowel the more frames it will fit.
In both cases the dowels should be opposite each other on the short side (see pictures for correct orientation.)

After this is all over and the face shields aren't required anymore, lay the rack versio