How to Inscribe Signature on Custom Made Print?

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How to Inscribe Signature on Custom Made Print?

Postby w22 » Sat Oct 15, 2016 4:49 pm

Is there a way I can sign my name on the prints that I do?

Instead, I've been using a Benzomatic to burn my initials in them and it smells!
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Re: How to Inscribe Signature on Custom Made Print?

Postby jimc » Sun Oct 16, 2016 3:17 am

you would need to do that in your cad software. only issue is that a printer can only print lettering so fine. your signature you need to be fairly large. lettering can be tough.
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Re: How to Inscribe Signature on Custom Made Print?

Postby w22 » Sun Oct 16, 2016 12:45 pm

What would be the easiest software to use for this purpose? I probably don't want to place the letters one by one via TinkerCard. Maybe I would create the signature in a picture and then combine the picture and the print via SVG export and then .STL convert?
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Re: How to Inscribe Signature on Custom Made Print?

Postby Hugs » Sun Oct 16, 2016 1:38 pm

w22 wrote:What would be the easiest software to use for this purpose? [...] Maybe I would create the signature in a picture and then combine the picture and the print via SVG export and then .STL convert?


Here's a quick demo I just did using the Paths to OpenSCAD plugin for Inkscape, and OpenSCAD:

Scan my signature:
scan.PNG


Open and trace it in Inkscape:
Inkscape01.png


Tweak settings to your liking
Inkscape02.png


Export using the "Paths to OpenSCAD" extension:
Export.png


Tweak in OpenSCAD:
OpenSCAD.png


From this point, I could load the STL of the model I want to sign and use OpenSCAD "union()" to merge the "signature" with it. It would take a bit of fiddling with scaling/rotating/translating but I've used this process on a bunch of prints to add logos and such.
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Re: How to Inscribe Signature on Custom Made Print?

Postby Jules » Sun Oct 16, 2016 1:45 pm

Nice tutorial Hugs! :D
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Re: How to Inscribe Signature on Custom Made Print?

Postby ZachC » Sun Feb 26, 2017 10:02 pm

What if you put a thin stencil of your signature on the build plate and printed the part on top of it?
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Re: How to Inscribe Signature on Custom Made Print?

Postby ednisley » Mon Feb 27, 2017 2:06 pm

ZachC wrote:a thin stencil


Perhaps laser-cut Kapton tape?

The difference between good adhesion and a bird's nest tangle is about ±0.1 mm = 4 mil, the extruded thread must have excellent adhesion to both the platform and the stencil, and the edges of the letters wouldn't be particularly crisp. I don't know if you could make out half-layer-thick letters against the usual 3D printed infill pattern.

I'd print a test piece over a few strips of tape and complexicate from that…
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