マティアス・ワンデル
https://torontoist.com/2010/01/matthias_wandel/
https://www.core77.com/posts/53460/Matthias-Wandel-Demonstrates-the-Superiority-of-the-European-Window-Design
https://www.woodworkingnetwork.com/video/screw-advance-box-joint-gig-makes-precise-cuts-stacked-workpieces
https://www.woodworkingnetwork.com/video/new-ruler-unites-metric-system-inches
https://www.woodworkingnetwork.