NB: Phil Wood Company has Machined 1/8" thick cogs for Rohloff hubs
Quote " Rohloff Cogs are manufactured in 1/8" widths. The cogs are available in 16 through 20 teeth."
https://www.philwood.com/products/drvtrn/cogs.php
The new cogs being flat a Lazer cutter can make more of those new ones from 1/8" really hard steel .
you are fussing over 1/32nd of an inch .031" .787mm