/** Program to 3-D Print Enzo Mari's "16 Pesci"

    Original image used for extracting:
     https://frinklang.org/frinksamp/16PesciOrig.jpg

    Cleaned-up image:  (you will need this to run this program)
     https://frinklang.org/frinksamp/16PesciBW.png
*/

r = 254/in

depth = 1 mm

// The image file to extract can be loaded from:
// https://frinklang.org/frinksamp/16PesciBW.png
img = new image["file:16PesciBW.png"]
v = callJava["frink.graphics.VoxelArray", "extrudeZ", [img, round[depth r]]]

v.projectZ[undef].show["Z"]

filename = "16Pesci.obj"
print["Writing $filename..."]
w = new Writer[filename]
w.println[v.toObjFormat["16Pesci", 1/(r mm)]]
w.close[]
println["done."]