/** This makes a little bowl holder for little IKEA bowls
for 3-D printing in TPU (a flexible material).
*/

res = 254/inch

wallThickness = 1.3 mm
bottomHeight = 1.2 mm

topDiamInner = 49 mm
//topDiamInner = 10.5 mm
topDiamOuter = topDiamInner + 2 wallThickness

bottomDiamOuter = topDiamOuter + .3 cm
bottomDiamInner = bottomDiamOuter - 2 wallThickness

topHeight = 22 mm

bottom = callJava["frink.graphics.VoxelArray", "makeCylinder", [0,0,0,0,0,-bottomHeight res, bottomDiamOuter/2 res]]

outerSides = callJava["frink.graphics.VoxelArray", "makeTaperedCylinder", [0,0,0,0,0,topHeight res, bottomDiamOuter/2 res, topDiamOuter/2 res]]
innerSides = callJava["frink.graphics.VoxelArray", "makeTaperedCylinder", [0,0,0,0,0,topHeight res, bottomDiamInner/2 res, topDiamInner/2 res]]

outerSides.remove[innerSides]

v = bottom.union[outerSides]

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

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