Brilliant! Ingenious! I always appreciate getting work done with minimum efforts. This is indeed the case.
Printed and used with Tarantula printer (basic version). Sliced with Cura with a single custom setting - the shell thickness is 1.4 mm. I believe this is essential - the thin part is printed completely with long lines without any hatched structures. Using a 0.4 mm nozzle and 0.2 mm per layer. Print time is about 25 min per one bracket. Two old markers (the "Brigadier" brand) used as axles, they fit perfectly. (BTW - they were not so good as markers).
For me, I see no need for the cuff, everything still works fine as is.