1. 細木工工具

Tap & Die,數顯T-bevel

https://www.youtube.com/watch?v=wd16ZC_evTE

T-track

standard: https://www.aliexpress.com/store/product/12inch-300mm-T-tracks-T-slot-Miter-Track-Jig-Fixture-Slot-For-Router-Table-Router-Table/1113883_32336387322.html 

https://www.aliexpress.com/item/20PCS-Set-10-Pairs-of-T-slider-for-Standard-T-track-Threaded-Rod-M8-100mm/32578692020.html 

http://www.ebay.com/itm/32-Inch-T-bar-for-Miter-T-slot-Jig-Fixture-Router-Table-Band-Saw-Drill-Press/111219849497 

Craftsman台鋸維護：https://www.youtube.com/watch?v=zRnJEgwRDWY 

1900開始的Delta Rockwell 34-425，類似設計中國還有：

2. 粗木工工具

Board bender可用來把扭曲的2x4扳直，然後釘好。圖左能嵌如單根釘子，圖右在邊緣有起釘缺口。