The shape for easing the finger joints is easily draw by positioning some circles (it may be easier to temporarily turn off the fillets) and then drawing rectangles which snap to nodes and halving their sizes to make them fit:
As has been noted before, while one could just Boolean union this, that results in a polyline with a lot of additional nodes which make snapping error-prone. Best to re-draw the shape with the curve tool.
The pocket geometry should be duplicated and the dupes Boolean Unioned for the initial cut to the pocket depth, then the afore-mentioned rounded rectangles can be used for the through cut.
The whole thing will probably be easier to envision (and to cut) if we space out the boards and add temporary for preview only toolpaths to give the monolithic stock the appearance of individual boards:
Lastly, duplicate all the geometry and toolpaths to cut joints in the boards at each end, name things appropriately, and set the spacing of the parts and toolpaths to make setup and clamping as straight-forward as possible.
CrookedWoodTex
(Tex Lawrence (Don't Mess With My Texas!))
47
I’m confused on what bit you used on these fingers, because the simulation has contours that suggest a radiused bit or a V-bit.
Correct, the fingers are relieved with a V carving (need to look into getting a suitable radius endmill) so that the box can be cut with a single setup — read the entire thread for all the gory details.
I noticed that the box tool you mentioned earlier (makercase) now will do cut compensation specifically for routers, given the size of the bit you wish to use, making all the handling post download unnecessary.