3DPrinting

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3DPrinting is a place where makers of all skill levels and walks of life can learn about and discuss 3D printing and development of 3D printed parts and devices.

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Is there a way to avoid those holes? (lemmy.sdf.org)

submitted 2 days ago* (last edited 2 days ago) by [email protected] to c/[email protected]

33 comments fedilink hide all child comments

They happen when lines meet where the width of the feature isn't an exact multiple of the extruder's width and the printer has trouble filling in the void. Usually they're fairly invisible, but when printing white on black, they stand out like a sore thumb.

I'm wondering if there's a good simple way of avoid this problem in the slicer. The ultimate fix of course is to print a square sheet of white PLA under the white letter, but I'd rather not mess with my model because it's quite complex already.

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[–] [email protected] -4 points 1 day ago (2 children)

Write your gcode by hand and you can do curves thus ensuring lines won't meet. I last wrote gcode by hand in the 1990s, and I'm pretty sure industry stopped hand gcode around 2000 (before 3d printing), but the language isn't difficult and so you can do it.

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

Hand code is still used. Most frequently, a sub is hand coded with incremental moves and then called at a point. A lot of probing, weird moves, edge cases all still get hand coded.

Hand editing CAM produced programs constantly occurs at the machine as well.

3D printing gcode is pretty ugly because hobbyists "improved" the language without really understanding why it was so stripped down.

Modern Gcode is really meant to be machine generated and human readable/editable.

[–] Imgonnatrythis 5 points 1 day ago (1 children)

Couldn't I at least punch it out on a card?

[–] [email protected] 0 points 1 day ago

You could do that too. I'm not old enough to punch cards but that doesn't need to stop you.