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Wiki Update part 4 (#9872)
* How to wiki * Local images + pressure-advance realocation * fill patterns WIP + Patch Until they fix this: https://github.com/orgs/community/discussions/118296 * Wiki images update8fff1caUpdated images with new style from commit8fff1ca(pr: #9797) * Internal Wiki Links + standardization * Update Flow Calibration image Co-Authored-By: Dowsha3d <216038220+dowsha3d@users.noreply.github.com> * Seam wiki merge * Updated Wiki Home * MD Final lines * How to index --------- Co-authored-by: Dowsha3d <216038220+dowsha3d@users.noreply.github.com>
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@@ -16,4 +16,4 @@ This setting controls how tall the first layer of the print will be. Typically,
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### Tip:
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A thicker first layer is more forgiving to slight variations to the evenness of the build surface, resulting in a more uniform, visually, first layer. Set it to 0.25mm for a 0.4mm nozzle, for example, if your build surface is uneven or your printer has a slightly inconsistent z offset between print runs. However, as a rule of thumb, try not to exceed 65% of the nozzle width so as to not compromise bed adhesion too much.
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A thicker first layer is more forgiving to slight variations to the evenness of the build surface, resulting in a more uniform, visually, first layer. Set it to 0.25mm for a 0.4mm nozzle, for example, if your build surface is uneven or your printer has a slightly inconsistent z offset between print runs. However, as a rule of thumb, try not to exceed 65% of the nozzle width so as to not compromise bed adhesion too much.
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@@ -2,21 +2,21 @@
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These settings control how wide the extruded lines are.
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- **Default**: The default line width in mm or as a percentage of the nozzle size.
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- **Default:** The default line width in mm or as a percentage of the nozzle size.
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- **First Layer**: The line width of the first layer. Typically, this is wider than the rest of the print, to promote better bed adhesion. See tips below for why.
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- **First Layer:** The line width of the first layer. Typically, this is wider than the rest of the print, to promote better bed adhesion. See tips below for why.
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- **Outer Wall**: The line width in mm or as a percentage of the nozzle size used when printing the model’s external wall perimeters.
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- **Outer Wall:** The line width in mm or as a percentage of the nozzle size used when printing the model’s external wall perimeters.
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- **Inner Wall**: The line width in mm or as a percentage of the nozzle size used when printing the model’s internal wall perimeters.
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- **Inner Wall:** The line width in mm or as a percentage of the nozzle size used when printing the model’s internal wall perimeters.
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- **Top Surface**: The line width in mm or as a percentage of the nozzle size used when printing the model’s top surface.
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- **Top Surface:** The line width in mm or as a percentage of the nozzle size used when printing the model’s top surface.
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- **Sparse Infill**: The line width in mm or as a percentage of the nozzle size used when printing the model’s sparse infill.
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- **Sparse Infill:** The line width in mm or as a percentage of the nozzle size used when printing the model’s sparse infill.
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- **Internal Solid Infill**: The line width in mm or as a percentage of the nozzle size used when printing the model’s internal solid infill.
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- **Internal Solid Infill:** The line width in mm or as a percentage of the nozzle size used when printing the model’s internal solid infill.
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- **Support**: The line width in mm or as a percentage of the nozzle size used when printing the model’s support structures.
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- **Support:** The line width in mm or as a percentage of the nozzle size used when printing the model’s support structures.
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## Tips:
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@@ -40,4 +40,4 @@ These settings control how wide the extruded lines are.
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10. **For supports, using 100% or less line width will make the supports weaker** by reducing their layer adhesion, making them easier to remove.
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11. **If your printer is limited mechanically, try to maintain the material flow as consistent as possible between critical features of your model**, to ease the load on the extruder having to adapt its flow between them. This is especially useful for printers that do not use pressure advance/linear advance and if your extruder is not as capable mechanically. You can do that by adjusting the line widths and speeds to reduce the variation between critical features (e.g., external and internal wall flow). For example, print them at the same speed and the same line width, or print the external perimeter slightly wider and slightly slower than the internal perimeter. Material flow can be visualized in the sliced model – flow drop down.
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11. **If your printer is limited mechanically, try to maintain the material flow as consistent as possible between critical features of your model**, to ease the load on the extruder having to adapt its flow between them. This is especially useful for printers that do not use pressure advance/linear advance and if your extruder is not as capable mechanically. You can do that by adjusting the line widths and speeds to reduce the variation between critical features (e.g., external and internal wall flow). For example, print them at the same speed and the same line width, or print the external perimeter slightly wider and slightly slower than the internal perimeter. Material flow can be visualized in the sliced model – flow drop down.
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@@ -2,28 +2,74 @@
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Unless printed in spiral vase mode, every layer needs to begin somewhere and end somewhere. That start and end of the extrusion is what results in what visually looks like a seam on the perimeters. This section contains options to control the visual appearance of a seam.
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- **Seam Position**: Controls the placement of the seam.
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## Seam Position
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1. **Aligned**: Will attempt to align the seam to a hidden internal facet of the model.
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2. **Nearest**: Will place the seam at the nearest starting point compared to where the nozzle stopped printing in the previous layer.
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3. **Back**: Will align the seam in a (mostly) straight line at the rear of the model.
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4. **Random**: Will randomize the placement of the seam between layers.
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Controlling the position of seams can help improve the appearance and strength of the final print.
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Typically, aligned or back work the best, especially in combination with seam painting. However, as seams create weak points and slight surface "bulges" or "divots," random seam placement may be optimal for parts that need higher strength as that weak point is spread to different locations between layers (e.g., a pin meant to fit through a hole).
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Typically, aligned or back work the best, especially in combination with seam painting. However, as seams create weak points and slight surface "bulges" or "divots", random seam placement may be optimal for parts that need higher strength as that weak point is spread to different locations between layers (e.g., a pin meant to fit through a hole).
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- **Staggered Inner Seams**: As the seam location forms a weak point in the print (it's a discontinuity in the extrusion process after all!), staggering the seam on the internal perimeters can help reduce stress points. This setting moves the start of the internal wall's seam around across layers as well as away from the external perimeter seam. This way, the internal and external seams don't all align at the same point and between them across layers, distributing those weak points further away from the seam location, hence making the part stronger. It can also help improve the water tightness of your model.
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### Aligned
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- **Seam Gap**: Controls the gap in mm or as a percentage of the nozzle size between the two ends of a loop starting and ending with a seam. A larger gap will reduce the bulging seen at the seam. A smaller gap reduces the visual appearance of a seam. For a well-tuned printer with pressure advance, a value of 0-15% is typically optimal.
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Will attempt to align the seam to a hidden internal facet of the model.
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- **Scarf Seam**: Read more here: [Better Seams - An Orca Slicer Guide](https://www.printables.com/model/783313-better-seams-an-orca-slicer-guide-to-using-scarf-s).
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- **Role-Based Wipe Speed**: Controls the speed of a wipe motion, i.e., how fast the nozzle will move over a printed area to "clean" it before traveling to another area of the model. It is recommended to turn this option on, to ensure the nozzle performs the wipe motion with the same speed that the feature was printed with.
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### Nearest
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- **Wipe Speed**: If role-based wipe speed is disabled, set this field to the absolute wipe speed or as a percentage over the travel speed.
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Will place the seam at the nearest starting point compared to where the nozzle stopped printing in the previous layer.
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This is optimized for speed, low travel, and acceptable strength.
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- **Wipe on Loops**: When finishing printing a "loop" (i.e., an extrusion that starts and ends at the same point), move the nozzle slightly inwards towards the part. That move aims to reduce seam unevenness by tucking in the end of the seam to the part. It also slightly cleans the nozzle before traveling to the next area of the model, reducing stringing.
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- **Wipe Before External Perimeters**: To minimize the visibility of potential over-extrusion at the start of an external perimeter, the de-retraction move is performed slightly on the inside of the model and, hence, the start of the external perimeter. That way, any potential over-extrusion is hidden from the outside surface.
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### Back
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This option places the seam on the back side (Min Y point in that layer) of the object, away from the view. It is useful for objects that will be displayed with a specific orientation.
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### Random
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This option places the seam randomly across the object, which can help to distribute the seam points and increase the overall strength of the print.
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## Modifiers
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### Staggered inner seams
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As the seam location forms a weak point in the print (it's a discontinuity in the extrusion process after all!), staggering the seam on the internal perimeters can help reduce stress points. This setting moves the start of the internal wall's seam around across layers as well as away from the external perimeter seam. This way, the internal and external seams don't all align at the same point and between them across layers, distributing those weak points further away from the seam location, hence making the part stronger. It can also help improve the water tightness of your model.
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### Seam gap
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Controls the gap in mm or as a percentage of the nozzle size between the two ends of a loop starting and ending with a seam. A larger gap will reduce the bulging seen at the seam. A smaller gap reduces the visual appearance of a seam. For a well-tuned printer with pressure advance, a value of 0-15% is typically optimal.
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### Scarf joint seam
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Read more here: [Better Seams - An Orca Slicer Guide](https://www.printables.com/model/783313-better-seams-an-orca-slicer-guide-to-using-scarf-s).
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### Role-based wipe speed
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Controls the speed of a wipe motion, i.e., how fast the nozzle will move over a printed area to "clean" it before traveling to another area of the model. It is recommended to turn this option on, to ensure the nozzle performs the wipe motion with the same speed that the feature was printed with.
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### Wipe speed
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If role-based wipe speed is disabled, set this field to the absolute wipe speed or as a percentage over the travel speed.
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### Wipe on loop(inward movement)
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When finishing printing a "loop" (i.e., an extrusion that starts and ends at the same point), move the nozzle slightly inwards towards the part. That move aims to reduce seam unevenness by tucking in the end of the seam to the part. It also slightly cleans the nozzle before traveling to the next area of the model, reducing stringing.
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### Wipe Before External
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To minimize the visibility of potential over-extrusion at the start of an external perimeter, the de-retraction move is performed slightly on the inside of the model and, hence, the start of the external perimeter. That way, any potential over-extrusion is hidden from the outside surface.
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This is useful when printing with Outer/Inner or Inner/Outer/Inner wall print order, as in these modes, it is more likely an external perimeter is printed immediately after a de-retraction move, which would cause slight extrusion variance at the start of a seam.
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@@ -31,8 +77,8 @@ Unless printed in spiral vase mode, every layer needs to begin somewhere and end
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With seams being inevitable when 3D printing using FFF, there are two distinct approaches on how to deal with them:
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1. **Try and hide the seam as much as possible**: This can be done by enabling scarf seam, which works very well, especially with simple models with limited overhang regions.
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2. **Try and make the seam as "clean" and "distinct" as possible**: This can be done by tuning the seam gap and enabling role-based wipe speed, wipe on loops, and wipe before the external loop.
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1. **Try and hide the seam as much as possible:** This can be done by enabling scarf seam, which works very well, especially with simple models with limited overhang regions.
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2. **Try and make the seam as "clean" and "distinct" as possible:** This can be done by tuning the seam gap and enabling role-based wipe speed, wipe on loops, and wipe before the external loop.
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## Troubleshooting Seam Performance:
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@@ -45,7 +91,7 @@ There are several factors that influence how clean the seam of your model is, wi
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However, due to mechanical and material tolerances, as well as the very nature of 3D printing with FFF, that is not always possible. Hopefully with some tuning you'll be able to achieve prints like this!
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### Troubleshooting the Start of a Seam:
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@@ -83,4 +129,4 @@ Finally, the techniques of **wiping can help improve the visual continuity and c
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The order of wall printing plays a significant role in the appearance of a seam. **Starting to print the external perimeter first after a long travel move will always result in more visible artifacts compared to printing the internal perimeters first and traveling just a few mm to print the external perimeter.**
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For optimal seam performance, printing with **inner-outer-inner wall order is typically best, followed by inner-outer**. It reduces the amount of traveling performed prior to printing the external perimeter and ensures the nozzle is having as consistent pressure as possible, compared to printing outer-inner.
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For optimal seam performance, printing with **inner-outer-inner wall order is typically best, followed by inner-outer**. It reduces the amount of traveling performed prior to printing the external perimeter and ensures the nozzle is having as consistent pressure as possible, compared to printing outer-inner.
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