Mill the tenon with the router securely locked into.
Timber frame dovetail template.
This is a geometric calculator only.
If you create your own template you might be able to get away with not using a metal base but using standard 3 4 hardwood instead.
In fact the arunda dovetail system is a faster way to make strong timber frame systems.
Use a template guide that has the same outside diameter as your dovetail bit to make measuring simple.
Their system lets you create dovetail mortise and tenons for connecting timber without fasteners.
Log dovetail diagram profile front log dovetail diagram profile end log dovetail diagram profile back log dovetail diagram profile complete enter inches as decimal or inch and fraction separated by spaces.
3 75 3 3 4 or 3 3 4 select appropriate angle and overlap to obtain desired log gap.
The cutting is done with the powerful mafell lo 65ec hand router coupled with the arunda dovetail router bit.
Adjust the milling depth on the router with the setting gauge on the tenon template only.
The system is comprised of a mortise template and a tenon template.
You can chisel out mortise and tenon joints in timbers by hand program a cnc milling machine for the task or you can use lignatool s router system.
Both have sliding fences built in for quick setup.
Mount tenon template with clamps or wood screws 2.
Position router into guide plate with a 90 rotation 4.
It s not hard to fabricate with the arunda jigs.
Set tenon length with set levers on fence.
By using a dovetail bit with a template guide and this same setup you can use the straight edge to make the basic sliding dovetail shown above left.