Amazing ideas for circle machining

#hacks
I will introduce 4 types of circle cut jigs that I made in the past and a new type of circle cut jig that does not require a pilot hole.
Click here for plans and parts list
https://jisaku-koubou.com/downloads/v...

A new type of circle cut jig starts at 9:50.
If you are always watching videos, you don't need to watch other videos.

Click here for the plan
https://jsk-koubou.stores.jp/
Step.1 https://jisaku-koubou.com/downloads/1...
Step.2 https://jisaku-koubou.com/downloads/e...
Step.3 https://jisaku-koubou.com/downloads/v...
Step.4 https://jisaku-koubou.com/downloads/c...
Step.5 Non

0:00 【Step.1 Simple circle cut jigs】
4:58【Step.2 Metal circle cut jigs】
9:50【Step.3 Vacuum suction circle cutting jig】
17:30【Step.4 3in1 circle cut jig】
23:46【Step.5 jigsaw circle cutting jig】