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I am completely new to 3D but we have a 3D printer here at the office so I am playing around with openscad. I found the option to import a .png and have been playing with the colors to create different heights. It looks nice, but I want to make a keychain out of it so I need to puncture the logo (almost) at the corner. I found the difference() option and used two cylinders in this, but they are not actually creating a hole in my logo. (I will add a picture of the design in openscad and below I will post the code I am using)
I really hope someone here has been around more then me and can give me the golden tip :-)
With kind regards,
scale([1, 1, 0.2])
surface(file = "F:\\Backup Raymond Pijpers\\Design dingetjes\\3D Printing\\HTA logo\\logometwit.png", center = true, invert = false);
cylinder (h = 2, r=4, center = false, $fn=100);
#cylinder (h = 5, r=3.5, center = false, $fn=100);
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I 'punctured' the difference cylinder-issue by adding more lenght to the cylinder i am using for subtraction. (z-coord = +0.2 or so.) and then making the translate([x,y,z-0.1]) slightly larger. That way i have 0.1 unit more each side of the holes to subtract the 'skin'.