History of JSK-koubou's circular saw slide guide 2018-2022

In 2017, I started woodworking in earnest with the creation of a work room. The making of the work room is also up. Part 1 https://youtu.be/Gv6yWOkJvgo Part 2 https://youtu.be/mDiJR_qB7ZI Four years have passed since then. When I think about it now, I am impressed that the work room was often made with only a drill and a circular saw, without any jigs. Here is a summary of the records for the last four years. I would be happy if you could refer to something. 2018 First circular saw slide guide https://youtu.be/1XeaJjByAlU 2018 improved slide guide https://youtu.be/ho4Q-pMLG6o 2019 Panel saw type slide guide https://youtu.be/M1xYKw5FP-0 2020 Aluminum Frame Circular Saw Slide Guide https://youtu.be/xsDrHvoMzSg 2022 Free-standing panel saw https://youtu.be/K5uAtBWTY3Q