[According to different tenon shapes, various combinations can be created.]

[For example, there are 9 Kongming locks. Select some of them to complete the "Liuhe Tenon", "Seven Star Knot" and "Eight Buttons". 】

[The beams in this drawing are made of six-joint tenon, and preliminary identification is not as good as the Bada buckle. The specific effect requires further experiments.]

yes……

What a real Luban lock!!

Du Chuke was extremely shocked, and his pupils suddenly widened.

This Luban lock formula, which I, and even countless craftsmen, regarded as a sage technique, was discovered in this small and inconspicuous place!!

Excited!

surprise!

Flattered!!

"Wait, no, I just saw that the little princess's bag was bulging. Could it be that... there are other Lu Ban Lock drawings?!"

Du Chuke's heart skipped a beat, remembering that the little princess had thrown away the drawings as trash.

this……

The skills of the saints have been lost for a long time, but they are treated like this.

His mentality collapsed.

"This, no! We must stop Her Royal Highness as soon as possible, and we can't let her throw away more drawings!!"

Du Chuke's heart tightened, thinking that he must prevent the loss of the craftsman's treasure.

……………………

ps: It was recommended online, please read it every day. Daily reading is to update the latest chapters, and then everyone will catch up with the one.

You can follow up on it, and the author’s various additions are not a problem. He still claims to be a little tentacle monster.
Chapter completed!