Layout around chamfered edges
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Hi,
is there a trick to accurately layout with the knife around heavily chamfered edges with a common try or combination square? I recently had to cut mitres on such pieces and I wasn’t happy to more or less guess the angles on the chamfer to transfer the knifemarks onto the adjacent face. Especially with angles other than 90 degrees I’d prefer a real method for that. I was close to take 2 hours off just to plane off the chamfers. I know that it would work with something like the dovetail template but maybe it is simpler and I don’t see it?
What’s your approach?
Florian
This isn’t the best method but here’s one option:
If you look at the attached image you’l see it has a front face cut off at 45 degrees. The part was originally made as a longer tube so that the 45 degree cut could be made afterwards. I filled a sink with water and allowed it to settle then simply dipped the part in the water to the angle/level of the required cut (I had marked the front and back of the part so I knew where to dip to). I then wiped off the excess water and used a pencil to draw the watermark onto the wood. Since the excess cut-off was the bit that had been dipped, the rest of the part was not at all damaged by the water. You could always dip to a line a quarter or half an inch below what’s needed and then measure up from there if you want too.
In fairness, I should mention that I did this on a part that I was making as a plug for subsequent fiberglass work so even if I had got a water mark it would have been OK. But I still think its a viable method if the part isn’t too large.Attachments:
You must be logged in to view attached files.4 December 2013 at 12:08 am #22999Make a saddle square to make square cuts over a moulding or chamfer or a mitre jig to mark mitre in a simalar fashion can even use as a saw guide as well.
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