It depends on the thickness of the plastic pipe. :)
How to miter 4" sch. 10 pipe s.s. on 22.5 degrees.
Where it is not possible to bend a pipe due to lack of equipments or the thickness of the pipe, the miter bend is made by cutting the pipes at desired angles.
The advantages of copper pipe fittings over plastic is that copper does not bend or break as easily as plastic, so it lasts longer and is much more reliable as well.
Usually, but a saw is usually easier as the plastic is softer than metal.
"Solid Steel" would not be a pipe- it would be a rod. Weight of pipe will vary depending on the thickness of the wall of the pipe.
this app help you: "Miter Flat Pattern Design" in play.google.com
Steel pipe varies in weight according to size and thickness (schedule).
In what material ?
with a saw The simplest method would be to make a mitre box
A miter joint can be found on picture frames, Pipes (e.g Pipe Organs) and Molding (A strip of metal with various profiles used to cover transitions between surfaces or for decoration). Hope this helps.
this app help you: "Miter Flat Pattern Design" in play.google.com
Cut the pipe and remove it, fix pipe with a coupling.