Easy and accurate! Create a 45 degree / 90 degree woodworking prototype master

Hello friends.
This is the official channel of JSK-koubou.
Here you can find many interesting videos about homemade machinery, woodworking projects, plans and life hacks.

I propose a method to easily make high-precision 45-degree and 90-degree jigs from freehand-cut wood.

Click here for the plan
https://jisaku-koubou.com/downloads/90jigs

[Plan List]
https://jsk-koubou.stores.jp/