furniturejointswoodwooden-furniturewoodworking
I want to join these four 1.8 cm thick beechwood boards as one can see on the picture. My idea is to join at the B points with biscuits but I’m not sure what to do about the A points. It needs to be a very firm join so that the table is not wiggly. Besides that I’m not sure at which height (the questionmark) the middle board between the A points would provide best solidity.
There it is! Thanks for your advices.
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Requires lots of training, food, and cleanup (thanks @SteveJackson for pointing this method out).
By popular demand (don't use on PT wood)
No affinity to Ridgid, just the first brand in the list when searching for reciprocating saw.
Yeah, that 4" would be a long cut. It could be done in two passes, one from each side. The middle area would have a bit of an overlap and maybe a blade mark, but that could be sanded down. Plus you are probably going to finish it anyways.
What I would recommend though is changing the shape of your transition piece to make it easier to cut, and would also make it more pleasant to walk ok. I posted a similar question regarding a transition from tile to hardwood. Although your question is different, some of the answers there might help you out. For example, take a look at the shape of this transition piece:
In your case, this would be 3 separate cuts instead of one long one. Also the flat top surface will make it more pleasant to walk on vs. the angle (point) you have at the top of your example.
Best Answer
Biscuits for all joints will work fine. Across side panels to top. Along the two rails at the top and at sides.
Be sure to have a helper, and perhaps some extra temporary stretchers that match the rails (for the bottom). That way you can clamp and square the sides first and put the top on last.