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Inputs Needed to Call the Tee Function
origin - a 3*1 matrix with x,y,z positions corresponding to the point where the tee will be drawn.
R1 - the inner radius of the main pipe.
R2 - the outer radius of the main pipe.
R3 - the outer radius of the three larger pipes the sockets of the tee.
L - the length of the skinnier pipes of the tee.
H - the length of the three larger pipes (or depth) of the sockets of the tee.

Inputs Defined within the Tee Function

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• x : origin₀ + zc
• y : origin₂ + L/2 - zc

*zc is a zooming constant used to add a short length to some dimensions in order to be sure an entire object is selected

p12 =

• x : origin₀ + zc
• y : origin₂ + L/2

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zoom _win - zooms the workspace to a smaller focus area

zoom _win1 - zooms the workspace to a still smaller focus area

cylinder1 - creates a cylinder with length 'L' that comes out of the page.

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viewfront - sets the workspace so that the user is viewing the object from the front.

zoom _win1 - zooms the workspace to a focus area 

mirror1 - mirrors the bottom pipe 90 degrees clockwise.

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