Download or view QRCodeEgg.frink in plain text format
/** This is a test of spherical embossing for 3-D printing. */
res = 254/inch
h = 1 inch
r = 1 inch
text = "https://triplenine.org"
// On an ellipsoid
v = callJava["frink.graphics.VoxelArray", "makeSuperellipsoid", [r res, r res, 1.3 r res, 1, 1]]
img = qrcode[text, "L"]
//img = img.gaussianBlur[2] // This makes it feasible to print without overhang
// 2-pixel cube tool for embossing
pixelTool = newJava["frink.graphics.VoxelArray", [0,2,0,2,0,2,true]]
// Out emboss
emboss = v.sphericalEmboss[img, 0,0,0, 180 deg, 90 deg, 0 deg, 70 deg, 0, 254, 0 cm res, 0 cm res, -.2 cm res, 0 cm res, pixelTool, 0, 0, 0]
// In emboss
emboss2 = v.sphericalEmboss[img, 0,0,0, 0 deg, 90 deg, 0 deg, 70 deg, 0, 254, 0 cm res, 0 cm res, .2 cm res, 0 cm res, pixelTool, 0, 0, 0]
v = v.union[emboss] // Add extrusion
v.remove[emboss2] // remove carving
v.projectX[undef].show["X"]
v.projectY[undef].show["Y"]
v.projectZ[undef].show["Z"]
filename = "QRCodeEgg.obj"
print["Writing $filename..."]
w = new Writer[filename]
w.println[v.toObjFormat["v", 1/(res mm)]]
w.close[]
println["done."]
// Generates a QRcode image using Google Charts API:
// http://code.google.com/apis/chart/docs/gallery/qr_codes.html
// Generate a QRcode image and return that image.
// errorCorrection is a letter consisting of one of the following:
// "L" (can correct up to 7% errors)
// "M" (can correct up to 15% errors)
// "Q" (can correct up to 25% errors)
// "H" (can correct up to 30% errors)
qrcode[text, errorCorrection="M", width=400, height=400] :=
{
return new image["http://chart.apis.google.com/chart?cht=qr&chs=${width}x${height}&chld=$errorCorrection&chl=" + URLEncode[text, "UTF8"]]
}
Download or view QRCodeEgg.frink in plain text format
This is a program written in the programming language Frink.
For more information, view the Frink
Documentation or see More Sample Frink Programs.
Alan Eliasen was born 19979 days, 19 hours, 17 minutes ago.