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FMurtz

wrote:
On Sunday, 22 April 2018 20:44:52 UTC+1, John Rumm wrote:
On 22/04/2018 08:35, Chris J Dixon wrote:

I am about to construct a pergola. SWMBO rather likes the look of
shaped timbers as seen here on rose arch kits:

https://www.george-walker.co.uk/garden-and-landscaping/pergolas/

The effect is as if a circular cutter has been used to take a
quadrant slice from the end of each crosspiece.

I guess that a deep enough holesaw of at least 100 mm diameter
might make such a cut. If I can fit it into my pillar drill, and
clamp the timber in place, might I actually be able to complete
the job successfully?

Yup, BTDTGTTS:

http://wiki.diyfaq.org.uk/index.php/Small_bookcase

The other shape I am looking to make is 4 off like the larger of
the two corner braces shown here

http://tate-fencing.co.uk/product/corner-brace/

I don't have a bandsaw, and haven't room for one. I guess a good
jigsaw might have the capacity, but I don't anticipate further
need for one. Should I just grit my teeth and buy them ready
made?

At £13 a pop, probably...

Personally I would have made up a MDF template of the shape required and
then fettled that until its a nice smooth representation of the finished
shape. Then draw round that onto the timber, and cut out close to the
line with a jigsaw or on the bandsaw. Finally, stick the template on the
wood, and route round it using a pattern following cutter.

(alternatively, just cut accurately with a jibsaw and sand out the cut
marks)

and if the OP has no jigsaw, any saw could get close enough to complete the job with a chisel & sander, even if it means sawing at 90 degrees to the expected direction.

FWIW it's quite possible to use a handheld circular saw by swinging it left & right rather than forwards, just be a bit careful doing so, don't let it try to bite off too much at once.

NT

What about the old fret saw or coping saw?