Not so much the 45 degree on the jigsaw more it doesn't poetically skate across the wood - quite heavy handed (it's a decent one mind, but for smaller intricate jobs not so hot).
I have just managed to get hold of a coping saw.
Sorry - some of the terminology is reminiscent of my spanish classes!
I'm still not entirely sure whether I should mark the profile from a flat end grain or a mitred 45 degree piece - would there be any difference anyhow? Essentially, on two pieces of wood for an internal piece - 3 of these will be flat cut (one of those scribed) and the other mitred at 45 for the external? I apologise if I'm chasing a parked car here but I want to eliminate any margins of error (the walls are fairly tipsy at the bottom!).
I have just managed to get hold of a coping saw.
all you do is mitre it at 45 exactly the same as if its going to be a mitred join then cut the profile off the exposed grain on the bit your using
[you disgard the 45% offcut]
you could do it with an offcut to mark the line but not easy...
Sorry - some of the terminology is reminiscent of my spanish classes!
I'm still not entirely sure whether I should mark the profile from a flat end grain or a mitred 45 degree piece - would there be any difference anyhow? Essentially, on two pieces of wood for an internal piece - 3 of these will be flat cut (one of those scribed) and the other mitred at 45 for the external? I apologise if I'm chasing a parked car here but I want to eliminate any margins of error (the walls are fairly tipsy at the bottom!).