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| Tusked Mortise and Tenon |
This is another CNC cut panel connection, It is a variation of the more classic Through-tenon with a wedge pin often used on trestle bases of dining tables or workbenches. I made this sample to show my Workshop 2 Furniture Design students as one option for their knock-down furniture design assignment.  |
| The Wedge and the Slot |
Both the wedge and the slot for it were cut out on my CNC. The inside face of the slot is sloped to match the slope of the wedge. The fluting toolpath in Vectric's Aspire or V-Carve software made easy work of the slot's inner slope.  |
| Tenon and shoulder |
The shoulder of the tenon has a dogbone cut to account for the inside corner which a round router bit can't make. I added a 0.003 allowance to the slot for the tenon for a nice slip fit. The slot for the wedge has room for the wedge to pull the tenon tight against the back of the joint. Sloping that slot to match the angle of the wedge face makes a high friction interface that stays very snug with the wedge tapped in. A tap or two on the bottom of the wedge will pop it free to make disassembling the joint quick and easy. Comments and questions are encouraged!
4D
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