/** This designs a pump holder for my sous vide controller for 3-D
    printing. */

width = 1 inch
height = .4 inch
depth = .5 inch

potInnerRadius = 23.4 cm / 2
thickness = 3.4 mm
potOuterRadius = potInnerRadius + thickness
cutDepth = .3 in

res = 254 / inch


v = newJava["frink.graphics.VoxelArray", [round[-width res/2], round[width res], round[-depth res/2], round[depth res], 0, round[height res], true]]

// The outer surface of the cut cylinder
c1 = newJava["frink.graphics.VoxelArray", [round[-width res/2], round[width res], round[-depth res/2], round[depth res], 0, round[height res], false]]

c1.drawCylinder[0, round[-potOuterRadius res], round[height res], 0, round[-potOuterRadius res], round[(height-cutDepth) res], round[potOuterRadius res]]

// Inner surface of cut cylinder
c2 = newJava["frink.graphics.VoxelArray", [round[-width res/2], round[width res], round[-depth res/2], round[depth res], 0, round[height res], false]]

c2.drawCylinder[0, round[-potOuterRadius res], round[height res], 0, round[-potOuterRadius res], round[(height-cutDepth) res], round[potInnerRadius res]]

c1.remove[c2]
c1.translate[0, round[thickness/2 res], 0]

v.remove[c1]

ringHeight = height
ringInnerDiameter = 13 mm
ringThickness = .3 in
ringOuterDiameter = ringInnerDiameter + ringThickness

ring = v.makeCylinder[0,
                      round[(-depth/2 - ringOuterDiameter/2 + ringThickness/2) res],
                      round[ringHeight res],
                      0,
                      round[(-depth/2 - ringOuterDiameter/2 + ringThickness/2) res],
                      0,
                      round[ringOuterDiameter/2 res]]

ring2 = v.makeCylinder[0,
                      round[(-depth/2 - ringOuterDiameter/2 + ringThickness/2) res],
                      0,
                      0,
                      round[(-depth/2 - ringOuterDiameter/2 + ringThickness/2) res],
                      round[ringHeight res],
                      round[ringInnerDiameter/2 res]]
ring.remove[ring2]


v = v.union[ring]

v.projectX[undef].show["X"]
v.projectY[undef].show["Y"]
v.projectZ[undef].show["Z"]   

filename = "pumpHolder.obj"
print["Writing $filename..."]
w = new Writer[filename]
w.println[v.toObjFormat["pumpHolder", 1/(res mm)]]
w.close[]
println["done."]