coping saw
Either cut along three non-intersecting lines or two intersecting lines. The lines need not be straight.
No, because, none of the combinations of lines can evenly slit spaces. Fold the circle first, and then you can cut the circle into 5 pieces with 2 straight lines.
You can cut a round cake into eight parts with three cuts, but you can't cut a circle into eight parts with three straight lines.
To cut plexiglass you should use a handsaw and make sure it is a handsaw that can cut in straight lines. You should also measure out how you much you need and what shape you need.
A tenon saw is used to cut fine, straight lines in hardwood.
There is no definite date on that, but tenon saws have been used for at least 200 years just the way we see them now.
A tenon saw is a short, stiff-bladed tool which is generally used when the cut needs to be straight. Typical applications would be for cutting mitre joints and tenons for mortice and tenon joints - hence the name. It is a fine-toothed rip saw and will generally cut on both the forward and backward strokes.
A tenon (also called a back saw or Jack saw) is a rigid back cutting saw used for cutting furniture joinery: tenon joints, housing dados, sliding dovetails, even box and flat finger joints. Tenon saws come in two basic varieties: rip for cutting with the grain, and crosscut for cutting across the grain.
To make sure the teeth have not been bent and you will still get a straight ,smooth cut.
It is designed to easily cut curves. Whether it cuts in straight or curved lines depends how good the user is: a good user will be able to use it to cut straight lines, but a not-so good user will tend to "wobble" and so cut lots of little curves when trying to cut in a straight line.
coping saw
A jigsaw is used for cutting curved or round holes. With a straight guide it can cut straight lines.
Either cut along three non-intersecting lines or two intersecting lines. The lines need not be straight.
No, because, none of the combinations of lines can evenly slit spaces. Fold the circle first, and then you can cut the circle into 5 pieces with 2 straight lines.
A tenon saw is a stiff handsaw used to cut tenons on the end of a bit of wood. It can remove one or two sections of timber leaving a thinner section (a tenon) which is then glued into a mortice (a squared off groove in another bit of wood) making a strong mortice and tenon joint. Framed doors are made this way.
You can cut a round cake into eight parts with three cuts, but you can't cut a circle into eight parts with three straight lines.