Laser Cutting

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[Help] Small details (lemmy.dbzer0.com)

submitted 1 year ago by [email protected] to c/[email protected]

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I have a drawing with small details like hairs.
I try to etch it on cork.
I use LaserGRBL, with speed 2000mm/min, and 0.75W of power.

If I use the "Line To Line" option, the hairs are too small, and individual lines will not be drawn.

If I use the "Vectorize" option :

without "Adaptive quality", the small details are removed.
with "Adaptative quality", the small details are finaly there ! But ... the laser try to draw the edges of each hair, burning each hair twice. The result is a big burnt blob instead of individual fine lines.

Do you know how to solve this issue ?
Is there a tool to approximate fine details with unique strokes ? Is this possible in Inkscape for example ?

Thanks a lot.

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[–] [email protected] 2 points 1 year ago (1 children)

Is it both vector and raster engraving? Your description of "adaptive quality" sounds like that is what is happening. Can your software toggle off the vector engraving and leave only raster?

I use a CO2 laser, which has some different cutting properties than a diod laser, so I don't have much experience here, but I think for something with fine detail like that you'd be best to try grayscale

I found this guide for a diod laser so see if that works. https://endurancelasers.com/laser-engraving-of-halftones-how-to-print-beautiful-photos/

The other option I have done when things are just too detailed is go into inkcape and simplify the line work manually.

[–] [email protected] 1 points 1 year ago* (last edited 1 year ago) (1 children)

It's either vector or raster.
I just found this similar discussion : https://inkscape.org/forums/questions/is-there-a-path-to-stroke-function/

[–] [email protected] 1 points 1 year ago (1 children)

Any luck getting it to work?

[–] [email protected] 1 points 1 year ago (1 children)

No but I found this impressive library for Inkscape : https://stadtfabrikanten.org/pages/viewpage.action?pageId=55018881

[–] [email protected] 2 points 1 year ago

Ooh nice