Parametric 90 degree pipe connector

A simple parametric connector to connect 2 pipes (of equal diameter) at a 90 degree angle. Works pretty well as a press-fit, but includes holes for drilling and fixing the pipe into the mount.
The connector can be printed without supports vertically. I do suggest lowering the printing speed near the top because it tends to become susceptible to noise when Z exceeds XY, especially with the chamfer at the bottom.
Also, I always print them in pairs to let the parts cool more between layers.

### Pipe Diameter
Diameter of the 2 holes for the pipe, add some margin. I use 22.3 for 22 mm pipes when printing with a 0.6mm nozzle.

### Pipe Offset
The distance between the 2 pipes, measured from the center of the pipes, not taking into account the diameter of the pipes.

### Wall Thickness
Minimum size of the wall (the total thickness of the mount will be Pipe Diameter + 2 * Wall Thickness. The total length of the mount will be Pipe Offset + Pipe Diameter + 3 * Wall Thickness.

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