This time I made a circle cutting jig for a jigsaw only with 3 items, a piece of scrap wood, the existing pararell guide and a positioning pin.
This jig allows you to cut roughly up to a circle of 70mm diameter. You can still use it as a parallel guide by flipping the guide.
Jig plan convenient for woodworking
[Plan List]
https://jsk-koubou.stores.jp/