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Fine tuning line width for small rectangular pyramids
Posted
· Fine tuning line width for small rectangular pyramids
Could you post images (screendumps) of the design in Cura, and photos of the results? The photos with ruler, so we can see the dimensions.
I haven't printed with nylon yet, but there could be other things involved, such as insufficient cooling in a tiny model, so the model can't solidify. Or overextrusion due to slowing down in corners, when the internal pressure can't immediately be released, etc.
For PLA, printing slow and cool usually helps. And printing a dummy tower next to very small prints, so the nozzle is away from the model, allowing it to cool, and so that printing-time per layer is equal for all layers.
As said, this works for PLA and PET. But I don't know if it also applies to nylon (if too cool, you get poor layer bonding).
But of course, it could be something else too.
Below: a few images of the dummies: the basic concept, and a real model.
Posted
· Fine tuning line width for small rectangular pyramids
Thank you. Your comment about slowing down in corners resonates - these are small teeth and corners are exactly where things are getting messy.
I'll try to explore ways to change how that path is laid down. If it was CNC I would know how to change that toolpath, but I don't have that skill or knowledge (yet) here. Fortunately, there are some smart people to ask here ?
For a dummy tower, is that simply a matter of creating a separate STL and importing it to Cura, or can I do that within Cura itself?
Thanks again!
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geert_2 553
Could you post images (screendumps) of the design in Cura, and photos of the results? The photos with ruler, so we can see the dimensions.
I haven't printed with nylon yet, but there could be other things involved, such as insufficient cooling in a tiny model, so the model can't solidify. Or overextrusion due to slowing down in corners, when the internal pressure can't immediately be released, etc.
For PLA, printing slow and cool usually helps. And printing a dummy tower next to very small prints, so the nozzle is away from the model, allowing it to cool, and so that printing-time per layer is equal for all layers.
As said, this works for PLA and PET. But I don't know if it also applies to nylon (if too cool, you get poor layer bonding).
But of course, it could be something else too.
Below: a few images of the dummies: the basic concept, and a real model.
Link to post
Share on other sites
JohnInOttawa 103
Thank you. Your comment about slowing down in corners resonates - these are small teeth and corners are exactly where things are getting messy.
I'll try to explore ways to change how that path is laid down. If it was CNC I would know how to change that toolpath, but I don't have that skill or knowledge (yet) here. Fortunately, there are some smart people to ask here ?
For a dummy tower, is that simply a matter of creating a separate STL and importing it to Cura, or can I do that within Cura itself?
Thanks again!
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Share on other sites