Available as an assembled Module and as a DIY project.
This Module is currently available.
LFO with sync
The name of the module says it all.
Simple LFO is an LFO offering Triangle and Square outputs as well as reset input.
Perfect for basic LFO duties.
https://www.pharmasonic.jp/shop/index.php?id_category=38&controller=category
These merchants probably sell this module. Huh?