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Accuracy - general hints and tips ?

8952 Views 40 Replies 17 Participants Last post by  steamingbill
Hello,

Was wondering how other people approach making accurate cuts.

If I am making some sort of 3d object and I make relatively small errors in my cuts then by the time I have either "gone round a loop or a carcass" or gone around a few 90 degree bends in different orthogonal directions then I find that bits dont quite meet up with other bits and things arent quite square.

I try to be as accurate as possible in my cuts but I can mess something up - it seems to me there are 2 issues

1. How do I organise myself top make measurements and cuts as accurately as possible ?

2. Ways of correcting or even hiding things - for example - I noticed when I was owner builder of my house that I could hide a poorly cut plaster edge with the final architraves and skirting boards - ie the very last thing done is the most visible and needs to be perfect but the stuff underneath has some "slack"

Any good general tips or threads or web sites or hints for measuring and making accurate cuts when doing normal jobs in the shed ?

ie use of story sticks instead of rulers ?

empirical measuring rather than using a tape measure or ruler - ie take the thickness directly off a piece of timber rather than measure thickness (possible error) and then mark up using ruler ( another possible error) ?

use of a marking knife or gauge rather than a pencil ? How many people do this ?

use of jigs to make all relevant pieces the same length, width, holes in the same place etc

I often think to myself things like "cut so that you can still see the edge of the pencil line"

How do the rest of you organise yourselves to be as accurate as possible ?

Regards

Bill
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For me it comes down to how accuate it has to be. Miters have to be exact so for that I use a powered miter saw and cut the piece a little longer, maybe just a wisker but none the less longer. I then will check the fit and go back two or three times to get it dead on. I like using a knife instead of a pencil if the cut has to be really accurate. I will also use a Lion miter trimmer and shave the edge. I also use "sticks" at times to take the measurement to eliminate any error that a tape measure might give me. As last resort I may undercut a piece a little so that only the very tip of the edge is in contact with the mating piece.
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