Simplify3d first layer extrusion multiplier While it might be tempting to start printing, the first step is to make sure your machine is properly calibrated and leveled. Dec 29, 2016 · Then reset it back to 100% of whatever your Simplify3D Global Extrusion Multiplier is on the Extruder Tab. 08mm clearing from the nozzle to the bed - I don Jun 6, 2017 · In the settings, it appears that there is an extrusion multiplier for bridging, and I was wondering if there was a similar option for the first layer? When my first layer is printed there are gaps between the extruded lines of plastic and I tried to fix this by turning up the "First Layer Width" option, but while this increased the thickness of the extruded lines, it also made them spaced Oct 12, 2013 · What the extrusion multiplier does is multiply the amount to extrude during each move by some percentage. Jan 21, 2015 · 6. Mar 13, 2025 · Learn how to command your 100mm extruder with Simplify3D 5. I'm going to try going to a slightly larger extrusion width (1mm) to see if maybe that will give me a more "rectangular" extrusion shape that doesn't leave gaps. 1mm I set the first layer multiplier to 200% and leave the extrusion width alone. 32 mm extrusion width, 6mm retraction @ 6000mm/min, 1. Apr 23, 2020 · The gaps can be corrected by increasing the extrusion multiplier, but adding an extrusion multiplier to the entire build just to get the first layer right shouldn't be necessary. 0 version in my honest opinion is not only about new functions but rather about already existing functions but with better Jul 27, 2020 · I have tried increasing the extrusion multiplier (flow rate) to a higher value but it makes no difference, I have tried values from . That bothered me (a lot), until I had a print that suddenly developed fur, on a spool that had been printing fine for a month. Feb 7, 2017 · If this is the intent of the software, they need to add an extrusion multiplier to the first layer setting boxor better yet make the extruder compensate for the height and width settings automatically. Jan 26, 2017 · Here is my test piece, as you can see I have gaps in the top layer. Infill External Pattern Rotation to 90 deg Extrusion width to Manual and 0. This over extrudes the first layer as intended. The customer did a lot of tests and eventually confirmed the issue was actually being caused by their anti-virus software (they were using Sophos). 90 to 1. Aug 21, 2014 · For this layer, I suspect that the outline overlap needs to be boosted to 50%+. When extrusion width is left on automatic, the box goes gray, and . 0 version in my honest opinion is not only about new functions but rather about already existing functions but with better Extrusion Multiplier for Top Layers Wed Aug 02, 2017 9:52 am First thing I want to say that although the new 4. first layer height is 100%, first layer width is 125%, First layer speed is 50%, infill 25%, outline overlap 50% and allowed perimeter overlap at 50%. 2 Extrusion multiplier stayed the same Temps stayed the same First layer changed to 0. However, the measured width ends up being . Also, the extrusion width itself is not adequate on the first interface layer. 75, but not changing the layer thickness. Increase the extrusion multiplier If your filament diameter is correct, but you are still seeing under-extrusion issues, then you need to adjust your extrusion multiplier. I decided to write an article about how to get the best extrusion multiplier Apr 22, 2020 · The gaps can be corrected by increasing the extrusion multiplier, but adding an extrusion multiplier to the entire build just to get the first layer right shouldn't be necessary. Good luck and take notes! Jul 9, 2022 · Extrusion Multiplier for first layer Please Thu Dec 29, 2016 11:45 pm I would love to see the (Extrusion Multiplier) available on the first layer settings like below: CompoundCarl Posts: 2005 Joined: Wed Aug 05, 2015 11:23 am May 28, 2022 · Extrusion Multiplier for first layer Please Thu Dec 29, 2016 11:45 pm I would love to see the (Extrusion Multiplier) available on the first layer settings like below: CompoundCarl Posts: 2005 Joined: Wed Aug 05, 2015 11:23 am May 28, 2022 · Extrusion Multiplier for first layer Please Thu Dec 29, 2016 11:45 pm I would love to see the (Extrusion Multiplier) available on the first layer settings like below: CompoundCarl Posts: 2005 Joined: Wed Aug 05, 2015 11:23 am Extrusion Multiplier for first layer Please Thu Dec 29, 2016 11:45 pm I would love to see the (Extrusion Multiplier) available on the first layer settings like below: CompoundCarl Posts: 2005 Joined: Wed Aug 05, 2015 11:23 am Jul 14, 2015 · I'm printing on a Rostock Max V2. 05, re-check step 1 above, as likely e steps per mm is off. Sep 11, 2017 · The last layer/top layer is arguably more important than the first layer, as it's the finish of your product if you're dealing with flat designs. - Is "Line width" (term of some other slicers than S3D) same "Extrusion width"? - Is "Extrusion width" same than the separation of nozzle path from the previous (in 100% infill), i. 00 Extrusion width is set to Auto and it defaults to 0. 1 Increased first layer to something like 140% the idea was to get the max thickness (80% of nozzle size) for the nozzle size which I think was like . Using a first layer height below 100% will now correctly reduce the amount of extruded material (alternatively, a negative global Z-axis offset can be used to lower the first layer while still extruding the same amount of material) While those instructions are for under-extrusion, you will adjust the same settings for over-extrusion, just in the opposite direction. 0 extrusion multiplier, 3 layers top and bottom and 3 shells. 4 mm layers, I measured that 12 seconds was a minimum solidification delay between successive layers. Feb 11, 2014 · My best so far was using the extrusion multiplier to 0. May 28, 2021 · To improve bottom finnish, I increases the extrusion multiplier with 50%, but I want to set normal filament flow from 2nd layer. Likewise, a positive value is similar to reducing the extrusion multiplier for the 1st In the settings, it appears that there is an extrusion multiplier for bridging, and I was wondering if there was a similar option for the first layer? In the settings, it appears that there is an extrusion multiplier for bridging, and I was wondering if there was a similar option for the first layer? In the settings, it appears that there is an extrusion multiplier for bridging, and I was wondering if there was a similar option for the first layer? Apr 4, 2019 · I guess you could also split into two processes (with a separate process for the first layer), and have the first layer process use a higher extrusion multiplier and a lower layer height. You really shouldn't be trying to tune extrusion for first layer. U will get same effect. Nope. here's what i did. 92 ish. 20 and it makes no difference. 4 layer height, 1. 2 mm ** Experimental parameter *** Use this option only if your parts are too tight. However, I'm not sure you really need any of that. Use the global offsets to get more squish. extrusion steps are calibrated, Printing a 20mm cube, using 2 bottom layers, and single corkscrew walls. Seems going over 1. 08-0. Jun 30, 2019 · well, i'm getting pretty decent 1st layers it seems and i did another one of those hollow cube prints with 2 . If you experience layer start under extrusion, setting the layer height to 0,2 mm slows down the extrusion and helps to correct this. But it might just extrude too much material and make the part bond to the raft too much. Dec 16, 2014 · Firstly my prints are already a lot better with Simplify3D than they were with Makerbot Desktop, and changing the Extrusion Multiplier was useful. If I move my multiplier back up, yes it closes the gaps a little (not fully) but Nov 18, 2015 · I'm printing with PLA at 205 degrees and 10mm/sec The extrusion multiplier is already at 1. 43mm, then lowered the multiplier until it measured 0. For example, if increasing the extrusion multiplier helps with under-extrusion, then you should decrease the extrusion multiplier for over-extrusion issues. This is a very useful setting in Simplify3D that allows you to easily modify the amount of plastic that is extruded (otherwise known as the flow rate). so based on The three first layer settings it gives you are totally counter intuitive and result in you getting first layers that look like absolute trash, because you can see individual extrusion lines with space between instead of them merging into a surface. . as for the Extruder > Extrusion Multiplier set this to a small value so very little is extruded. 4 first layer height. 4mm walls and getting great width measurements with it. Sep 7, 2016 · Hi! About terms: - "Extrusion multiplier" is clear. Because this layer is raised above the raft for easier separation, the extrusion isn't pressed flat and spread out as it is on all other normal layers. . 88 on different spools of PETG. Extrusion Multiplier for Top Layers Wed Aug 02, 2017 9:52 am First thing I want to say that although the new 4. Might be worth checking if you're also running Sophos. 60mm is used. This is measured in a percentage, so the default is 100%, but you can adjust this in certain situations. The gaps can be corrected by increasing the extrusion multiplier, but adding an extrusion multiplier to the entire build just to get the first layer right shouldn't be necessary. Take the time to level your bed. 00 Drag the Infill slider to Zero On the Layer tab Set Top Solid Layers to 0 Set Bottom Solid Layers to 0 Set Outline/Perimeter Shells to 1 Click Prepare to Print Jun 3, 2022 · The Flow Rate, also known as the extrusion multiplier is an important setting that can help you with getting better 3D prints. 4mm cube) Measured the width, which initially was 0. Is this possible i n S3D? dkightley Posts: 2405 Joined: Tue Mar 10, 2015 8:09 pm Dec 23, 2022 · Support >> Support to Aligned Support >> Infill Percentage Layer >> First layer height add 0. but better calibrate your printer extrusion May 28, 2015 · If so, there's no "extra" extrusion happening to improve first layer bonding, and the only way to really do that is to add a first layer process with a higher Extrusion Multiplier, correct? . Nov 18, 2016 · . 1 set the Extrusion . Is this possible i n S3D? Dec 1, 2020 · If your filament diameter is correct, but you are still seeing under-extrusion issues, then you need to adjust your extrusion multiplier. The raft is a bandaid, your first layer problem has to be fixed. This has two effects - firstly it seems to ensure good adhesion, and secondly it forces the layer to appear very flat and smooth when removed from the bed rather than showing the gaps between each fill path. It multiplies the amount of extruded plastics compared to calculated need. 01mm, it has a similar effect to making the extrusion multiplier higher for the first layer because it puts the first layer a little closer to the nozzle, without affecting how much plastic is extruded for the 1st layer. Specifically, Outline Overlap and Extrusion Multiplier. 0 raft. Once your settings have been confirmed in the Calibration process, go back and edit the extrusion multiplier settings in your standard process used to slice to those disovered in your calibration process. 91 - . 5 nozzle, . 01mm to ensure it prints after the model top layer. For the first cube, I left the multiplier at 1. 8 on PLA print with 0. 48mm Infill % is set to 71% I'm still getting gaps between extrude lines on the first layer (and probably all layers, but it's easier to see on the first layer contrasted against the color of the bed underneath). Really. 48 Set extrusion multiplier to 1. Am I missing something simple? Aug 29, 2019 · For the first year I ran on the under extruded size as I wail making miniatures, when I started making mechanical parts, proper extrusion multiplier was more important for accurate size and strength, and what the part looked like mattered less. Dec 11, 2023 · They would change the extrusion multiplier, hit OK, and then the value would always reset to 0. Jun 8, 2020 · Open up Simplify3d Import the file called cube Go to your processes and change the following settings: On the Extruder tab Set extrusion width to 0. If you make Z-Axis something like -0. 2 layer , but this setting alone makes the print very weak I really need your help to point me to the right direction. Mar 24, 2019 · It used to be that for a first layer height below 100% the extrusion multiplier would stay at the set value essentially causing a slight over extrusion for the first layer. 1. 10 and turned off my extruder esteps i had in the start gcode. Apr 16, 2019 · Set the "Extrusion Width" to manual, matching your nozzle diameter, so the "Extrusion Multiplier" value will depend on your extrusion tests. will 0,4 mm "Extrusion width" make 25 stripes per 1 cm and 0,5mm "Extrusion width" 20 Of all of these, the most successful to date has involved deliberately feeding more material for first layer, in my case a multiplier of 1. 78 to 0. If your Global Extrusion Multiplier is 90%, Then setting Layer 2 to 100% will be the 90% as Simplify3D already sliced it that way. Jun 6, 2017 · In the settings, it appears that there is an extrusion multiplier for bridging, and I was wondering if there was a similar option for the first layer? When my first layer is printed there are gaps between the extruded lines of plastic and I tried to fix this by turning up the "First Layer Width" option, but while this increased the thickness of the extruded lines, it also made them spaced The dimensional accuracy of your 3D printed parts can be extremely important if you are creating large assemblies or parts that need to precisely fit together. Nov 19, 2017 · There doesn't seem to be a way in Simplify3D to change the extrusion multiplier based on the layer (like you can for the temperature). 1mm primary layer height), your first layer width to 150, you extrusion multiplier to 1 and extrusion width to your nozzle diameter. 0 and set the filament diameter to 1. This tutorial will guide you through the steps to ensure that your first layer sticks to the bed every time. Now, perfect . I think the idea of increased first layer A successful first layer is vital to a successful print. With your current settings in the first example you are trying to extrude 2. It would be great if we could tweak a few other settings for the very first layer above the new and improved v4. Recently I calibrated my extrusion multiplier by creating a thin walled part (0. If your S3D parts are smaller, I'd suggest increasing the extrusion multiplier. When you increase the first layer extrusion width it also increases the spacing. Extrusion Multiplier, Nozzle Diameter, and Filament Diameter adjust print extrusion ratios according to print resolution, but have no effect on print resolution. Here are you options for the first layer: First Layer Speed - pretty self explanatory. The leveling process varies according to the printer, but the most common bed leveling mechanism is a Aug 10, 2015 · Why is your extrusion multiplier at 2? What is your nozzle size? Set your first layer height to 300% (for 0. So, I adjusted the extrusion multiplier from 100% down to 86%. e. If the issue is adhesion, I personally tend to instead increase the first layer width. Don’t get too hung up on using an extrusion multiplier that falls into a specific range – I’ve had the calibrated extrusion multipliers run from 0. 16 Speed cut After a bunch of testing I've made some good progress and have new, hopefully more concise, questions. Aug 22, 2019 · Took my current working profile for PLA and changed - Nozzle diameter to 0. Instead, print a single walled cube and measure the average thickness, then adjust the multiplier accordingly. Utilizing Simplify3D, printing two layer prints in order to speed up and simplify my testing: With my e steps and extrusion multiplier calibrated, according to sources Here and Here, I get typical 'under extrusion' results - gaps between the Jun 16, 2015 · So, if I have a sliced layer height of 0. 81mm. first started at extrusion multiplier of 1. 00 for PLA is Mar 3, 2015 · Put another way, Extrusion Width and Layer Height adjust print resolution. Simplify3D includes several tools to help cope with these Sep 5, 2019 · When you reduce first layer height below 100% it also reduces the extrusion multiplier I believe. 0 version in my honest opinion is not only about new functions but rather about already existing functions but with better First Layer Height: 90% First Layer Width: 100% First Layer Speed: 25% Optimize Start Points for Fastest Printing Speed Skirt Layers: 1 Skirt Offset: 4 Skirt Outlines: 3 Internal Infill Pattern: Grid External Infill Pattern: Rectilinear Interior Infill Percentage: 100% Outline Overlap: 10% Infill Extrusion Width: 103% Minimum Infill Length: 2 Apr 21, 2020 · If I am going to print at constant speed, I can just set the proper "Extrusion multiplier", but while printing thick 0. then i printed that calibration cube and got wall width measurements of . If you're only seeing issues with infill and not external sizing, there is infill extrusion width % and outline Mar 10, 2015 · To improve bottom finnish, I increases the extrusion multiplier with 50%, but I want to set normal filament flow from 2nd layer. 95 or higher than 1. Changing speeds, temps, extrusion widths, and extrusion multipliers should all be possible. 2 Extrusion width to 0. 1, calibrating the extrusion multiplier for optimal flow rate in your 3D printer, like the Prusa. We’re using 2 perimeter setting for first few millimetres of print to improve heatbed adhesion and reinforce the bottom part to fight warping caused by heatbed temperature. Aug 14, 2019 · This is kind of an observation/request for confirmation regarding extrusion width and how it relates to tuning your extrusion multiplier, and some things to be aware of if you are moving to Simplify3D from another slicer. Aug 22, 2018 · Are the external dimensions of your parts the same as when you use slic3r or PE? If not, then I'd suggest checking your filament diameter in Simplify3D against your actual filament's average diameter. 4mm wide extrusion with just 0. 4mm What I am seeing now is gaps appearing on the top layer. Temperature: bed at 40 °C, nozzle at 230 °C for first layer and 225 °C for following layers. Increasing the extrusion multiplier for this layer might work and could be an easy fix. There are many common factors that can affect this accuracy such as under or over-extrusion, thermal contraction, filament quality, and even the first layer nozzle alignment. If the multiplier is 100%, the amount calculated like above is unchanged. Apr 10, 2017 · If extrusion multiplier is below 0. Do it when both the bed is hot (the geometry changes with heat) and when the hot end is hot (so you don't have plastic on the nozzle distorting your efforts). Cooling: 0 for first layer and 30% for following layers. I usually have my first layer height at 100-120% depending so to compensate for a bed that isn't perfectly flat in all areas. First Layer Height 150% First Layer Width 100% First Layer Speed 20% Align start position at a specific XY location X:0 Y:300 Outline Printing Order Inside-Out Island Printing Order Minimize Print Time f*From 0. 60mm walls, but Extrusion Multiplier for first layer Please Thu Dec 29, 2016 11:45 pm I would love to see the (Extrusion Multiplier) available on the first layer settings like below: CompoundCarl Posts: 2005 Joined: Wed Aug 05, 2015 11:23 am Sep 19, 2020 · The very first