I use Shape Label JM9; select DIAMOND shape, with leader.
Custom text is entered via the dialogue box.
Hope this helps,
Dennis Glynn AIA
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ArchiCAD-64 23 3003 USA FULL
x64 Clone PC w/Intel(R) Core i7-4790 CPU @ 3.60GHz, 3601 Mhz, 4 Cores, 8 Logical Processors
NVIDIA Quadro K620
16.00 GB RAM
Win 10 Pro x64 based PC