Bambu prime tower size I printed this on my A1. This video takes a look at the effects of different prime towers on the Bambu Labs X1-Carbon. Sep 23, 2023 · An XY size adjustable Prime Tower.  Filament Used in ModeliSANMATE ice cream PLA For more models check Oct 28, 2024 · You will now see the prime tower created. Or print multiple of the same model as the. Wipe Inactive Nozzle on Prime Tower: After printing Jan 15, 2024 · Agreed.  This is a simple print in place 2 part cube with slots in it to fit the default size prime towers from Bambu Lab printer's multi-color prints. Reply reply FeistyRecognition272 The size of the desiccant compartment is about 130mm*50mm, and the depth is about 10-30mm (the depth is shallow in front and deep in the back) ¶ Bambu Studio and Bambu Handy FAQs. Bambu printers dont use a prime/purge tower instead they poop and you use the prime tower just to prime, making it a way less dense object and decreasing the size of it. With the changes it still has a bleed shadow. Dec 25, 2023 · Why does the prime tower need to have every layer printed until the last color change (excluding smooth timelapse mode)? Couldn’t it just be printed on layer with color change, so when for example there’s a color change on layers 0-10 and 280-305 it would only print the prime tower during them (when printing higher layers couldn’t the toolhead just lower, print the prime tower layer wait, if i set flush volume to 500, and set the prime volume to 500, will it just purge onto the prime tower instead of the chute? Reply reply 424c414e4b Presumably because they didn’t write the supporting code to place a prime tower per object where it won’t cause a collision. I hope that makes sense. It’s printing green Jan 12, 2025 · Bambu Studio Version 1. The prime tower is for priming the nozzle, not flushing. But at the same time, if transitioning from a dark color to a light color, the purge amount can increase“ I don't think you can do anything with the prime (not purge) tower shape other than changing the dimensions. Best of luck to you! The prime tower has to be the same height as your print. slice 174. Fact is the prime tower is important and nether a waste of time nor filament. This way we avoid blobs or gaps in the final print. Pretty much. Describe the bug When changing the filament at a specific layer height by right clicking the layer after slicing, and then re-slicing, no prime tower is generated. Mar 26, 2025 · This new tower is way bigger and now too big for existing files and its width field is now GRAYED OUT. This one is just for reducing the poop pile volume rather than saving material, but still useful in 3D printing. It helps keep the flow of filament appropriate, otherwise you get a mess at the swap Welcome to the Ender 3 community, a specialized subreddit for all users of the Ender 3 3D printer. Reply reply Top 2% Rank by size Apr 17, 2025 · If I’m printing with two similar filament types, is it really necessary to use a full-size prime tower? Since each nozzle has its own filament and retraction, it seems like maybe the tower could be made smaller or even disabled entirely without causing issues like oozing or cross-contamination. Describe the solution you'd like Remove the Prime tower requirement when wanting to use the Flush options. You can change the size and volume of prime tower which may help. Tower extends way off the table. In addition the default print settings in the other tab have prime tower enabled. The gcode E-coords look to be calling for 52% more material than is need Prime Tower Box Decor A way to use upcycle your prime towers into a fun and colorful decoration for you home or workspace. Add Filament change and re-slice. May 20, 2023 · Yes you can use the prime tower only but you do have to add 2 or more filaments so the prime tower will show up on the bed and yes you can move the prime tower to your seam location. Actual results. The object itself is 19. Apr 1, 2025 · 4-"Premier Volume" disappeared, making it impossible to reduce the size of the tower, which is annoying for large prints. These Oct 12, 2024 · When printing multi-color, it would be nice to have an option to replace the default prime tower that it prints to change colors with a suitable object imported to the print bed. Changing z-height would be slower and would impact the effectiveness of the prime tower. The usual approach is to use a "sacrificial" wipe/prime tower which is messy, wasteful of filament (and print time), takes up space on the build plate. So relearning Bambu Studio is upsetting me. 在Bambu Studio 2. I re-sized the original print to make it 150%. Bambu Studio supports Why can’t the prime tower be a model? It seems so wasteful on multi color prints to poop out just as much material as you are printing. 3. 0版本中，我们将擦拭塔清理量的参数设置移至"耗材丝设置"模块。 May 25, 2023 · I’m new to multicolor printing and thought I could mitigate the waste by purging to infill and support. When single color printing the prime tower is not used or necessary. It is always there regardless of whether you are using the AMS and multiple filaments. Bambu Studio supports Just got my very first Bambu Lab printer yesterday (X1C w/ AMS - incredibly happy with the speed + quality so far). Prime Tower Minimum Volume: Defines the minimum volume of filament to deposit in the prime tower. You can also reduce the thickness/size if you want to keep it to a minimum but still utilize the prime tower. Enterprises Small and medium teams Startups Nonprofits By use case. It parks for 2-3 seconds and it doesn’t ever seem to ooze very much at all. However, there's no reason why you can't simply print two objects and turn the prime tower off. Oct 15, 2024 · Using A1 with two filament colors. however a few seconds later it will resize itself back to the original incorrect size. Maybe using the "by object" algorithm, the prime tower could be very small, only the size of one layer per color change? Sep 20, 2024 · Increase the size of the prime tower so it has a larger support area, and increase the brim width to ensure good adhesion. I found posts that suggest simply removing the prime tower, but I cannot find the option in bambu slicer. I thought the tower would be instead of the poop chute. Learn how to adjust your prime tower size in Bambu Studio with this helpful tutorial. Both prints used a prime tower though which stayed the same size. Bambu Lab 4 Beginners | How can I make the prime tower smaller Nov 27, 2023 · Test Prime tower holder hand modelled - but automated creation of a prime tower holder should be possible from analysing GCODE, or perhaps better still an STL of the prime tower that can then be used in Bambu Studio as a boolean object to make space for the prime tower to be incorporate into any ‘flush-into’ object. Move the layer slicer down to e. g. Bambu A1 with Bambu PLA filament Jul 26, 2024 · A good example: Prime tower | Bambu Lab Wiki. 1 清理量参数位置调整. 从 Bambu Studio 2. Maybe on high detailed models it makes a difference? It doesn't waste much filament so I leave it on for the most part. the direct consequence is that the tower and the print overlap. Bambu Studio supports Force applied horizontally across the top of the prime tower as it is printed upon has a lifting force at the bottom of the tower (like pushing against a loose tower with your finger against the side, this creates lifting rotation around the bottom). Prime Tower Size : The size of the prime tower, when it is a circle, refers to the diameter of the circle. I have tried a few different ways of making prime towers useful - by enclosing them for example in a ‘building block’ shape. As long as our purge ratios are good, the prime tower is just there to ensure the filament is fully flowing before it continues the print. I suspect the oozing I’m having on this print is the likely fact that Bambu decided to ignore retraction settings on the prime tower is all. If you're using a Bambu Lab P1P, X1C, or any othe The size of the desiccant compartment is about 130mm*50mm, and the depth is about 10-30mm (the depth is shallow in front and deep in the back) ¶ Bambu Studio and Bambu Handy FAQs. I've turned it off when doing full plate multi color prints and didn't really see a quality difference. For example I’m printing in gray and green. Maybe under advanced settings Bambu Studio Version 2. Also a BIG THANKS to Dec 24, 2022 · This should be a decision by the user. For some of my prints I have a lot more filament going into purge and prime than I do the finished model. itsmeadmade. 0 版本开始，我们新增和优化了一些擦拭塔设置，具体介绍如下： ¶ 1. 4. In theory there shouldn’t be a prime tower if the poop purge is sufficient. And if you look closely, you see the prime tower stops growing after the last color change because now it's not needed anymore so it doesn't need to grow with the print anymore. Turn on 'advanced settings'. Anyway, the prime tower was already 20mm in size and I dont really have any desire to go up any further if I dont have to. Bambu Studio supports 77K subscribers in the BambuLab community. Here, enthusiasts, hobbyists, and professionals gather to discuss, troubleshoot, and explore everything related to 3D printing with the Ender 3. Here is how you change your prime tower size. @fdnyfish To prevent the tower from collapsing, there is a minimum size limit on the Y direction of the Prime Tower. Welcome to Bambu Lab! Here we discuss everything related to Bambu Lab 3D printers. 3mf File for This Bug https: Jul 17, 2024 · The prime tower is basically poop but in another shape, and serves to help purge out more material. Is this option hidden somewhere else? Is there and 'advanced' advanced view I am not seeing? Apr 5, 2025 · The prime tower is made with 2 different internal towers (at least for two material prints) The prime tower for PLA print directly on the bed and by itself (if the material is used on the first layer). Bambu Studio supports Apr 23, 2021 · 2) widening the tower so the base has more strength (maybe 40mm diameter), 3) I always add a brim to the prime tower for better adhesion in the "dual extrusion" settings 3) and finally I would try slowing down "prime tower speed" in the speed settings to 20mm/s or less for both extruders to minimize the lateral force. How do I gain access to it, and how important are they? I will have about 15 layers of blue, then 100 in white. My suggestions are: In bambu studio if only one color of filament is Feb 4, 2023 · The amount of filament purged during color changes depends on the type of color and how long the color transition takes. Bambu Studio supports The use is to prime the nozzle pressure with the appropriate filament and quickly move over to the print to continue flow. I'm doing a multicolor print, and I have two very similar, but not identical, objects that I want to print at once. Instead of a fixed front to back orientation, a Left to right, thinner and wider tower would allow more room. When painting, the prime tower is generated. As always with magnets, please heed safety warnings (see below). 6: Prime Tower Line Count : The number of coils in the printed prime tower. That's on purpose so when the printer switches to the second color at the top, it will not plunge the extruder into the print just to prime the nozzle at the bottom. Realistically you can instruct the printer to flush the poop into an extra object and or infill and also turn the prime tower off. Has anyone tried seeing how far you can turn down the prime volume (from the default 45 mm 3) and still get good quality multi-material prints? It will still create the prime tower even when doing a swap at layer height. Also created a rounded edge version of table top to go with it. 0 擦拭塔. Jan 15, 2024 · Created a circular leg option for the Purge Table - with threads to hold the parts together. (I’m using mostly Bambu/Polymaker filaments and have had good results with 15mm width and 15mm 3 volume, not so much with disabling the tower entirely, so I Jun 29, 2024 · I have a dumb question, if there’s a large hole in the middle of an object, can you put the prime tower in the middle of the large hole? I realize the slicer flags it for potential collisions, but if the opening is larg… ¶ Bambu Studio 2. If you have more than one filament, even if they are set to the same color, the default is to include a prime-tower. 3mf File for This Bug https: More importantly I doubt adding a prime tower adds 18 minutes to an hour long print, a prime tower is typically only a few seconds per layer. This force grows as the tower grows, acting as a lever. Sep 7, 2023 · That is the purpose of the prime tower, but the prime tower has is set at a desired size and volume. 10. How do these settings affect/interact with the prepare/preview (left hand side - filament) “Flushing volumes” settings? Does the “auto-calculate” refer to auto-calculating mid-print or what? Is it just I adjusted the purge rate after a color change from 550ish to 900 after seeing a post about the bleed on these Lego heads. In the other hand placing the prime tower on the front, close to the exclusion area helps it catch most of the oozed filament and thus protecting other models (I almost always do multicolor prints) When I do not use a prime tower, the left and fore-most model always has some ugly artifacts dues to oozed filaments between filament changes. com/model/42236 "A prime tower is an additional print that’s created on the build plate to help prepare the nozzle before printing the next layer. You'd have to experiment a bit to make sure it starts and ends each layer with the same objects and doesn't go back and forth between them. 7: Prime Tower Base Size : The width of the prime tower base. Feb 9, 2020 · Enable Prime Tower: on Prime Tower Size: 20mm Prime Tower Minimum Volume: 6mm³ (default setting but seems a bit low as my colors kept bleeding into one another) Wipe Inactive Nozzle on Prime Tower: off (didn't seem to make sense for a single-nozzle printer) Prime Tower Brim: on Enable Ooze Shield: off Aug 17, 2017 · The issue is that neither I can't find any new field to set up manually that height in which to stop printing the prime tower nor it is automatically done so the prime tower keep being printed for the whole object height no matter if there is no further need for tool exchangement. One of the settings i am interested in is "“purge into prime tower”. But the default size seems much bigger than it needs to be. 2. No tower required. printables. I would be grateful if anybody can help ease my confusion… Under Preferences there are settings for auto-calculate flushing volumes. Software Settings : Disable Prime Tower. Print quality is best with both a prime tower and the purge, especially important when Support filament is used, where contamination can weaken z-axis adhesion in the base filament. 2mm nozzle the prime tower seems excessively large. So let's say you want to make sure than on a colour change you want to prime at least 45mm3 to ensure a full colour transition (this is After the purge volume spat down the chute which should have done most of the work anyway). Unfortunately you can't choose any other object to prime the nozzle on, its gotta be the standard tower. Exocomp May 20, 2023, 5:24pm I have done a few multi colour prints and what they have said is pretty much spot on purge into a fidget toy but keep the print tower as a note you can adjust the size of the prime tower in the "other" settings tab. Even printers with tool changer or multifeeds do a prime tower to get the pressure right: 4 color transition module by yahbluez | Download free STL model | Printables. Apr 14, 2025 · Prime Tower Size: Sets the overall size of the tower in the X/Y direction. 1. Prime Tower X/Y Position: Allows you to choose the location of the prime tower from the origin point of the build plate. Ended up not using it. . Feb 11, 2023 · Setup to print a model with roughly 200mm in diameter and the purge tower was set at the back half on the plate and half outside! Tried to move the model closer to a corner to no avail. With careful tuning, such as reducing the flush volume or the prime tower size, the waste amount can be lowered. The prime tower is replaced by an unseen area of the model. 24 x 21. If you reduce the size of the prime tower, you might have to increase the flush volumes though. well in this specific print it only primed the green for only a few lines on one layer - second layer came along without and further interaction with the prime tower - so the prime tower stopped printing - and if I had printed like 50 more lines in green it would not have been continued Bambu Lab color change optimizations. Enable Flush into objects’ infill in Flush Options Describe the bug When changing the filament at a specific layer height by right clicking the layer after slicing, and then re-slicing, no prime tower is generated. The Profile only changes 8 lines of code in the G-Code. Prime width should be 13 mm; one central trace, bridge distance is 6. I tested thousands of filament changes and had no issues. For instance a print where the color change happen only once close to the end of the printing. On the X1C, I was always able to just click to select the prime tower and could drag it anyplace I wanted it on the plate, and I believe I've even rotated it before so it was vertical vs. But it shouldn't be a forced setting. It is uses three different color filaments. Bambu Studio Version 1. I was shocked to see that this object was going to take 3 hours to print, but went ahead. The prime tower for PETG prints directly on the bed and by itself (if the material is used on the first layer). 4 Likes. There is no OS wiki entry for these yet. You can set the size of the prime tower and how much filament it's gonna use for priming. It's generally like one wall thick and a giga sparse infill (looks like 1% ish) Introducing The Limit of Possibility! Following my popular Enigma Tower and niche Zelda tribute, my latest work celebrates the beauty of mathematics & physics at their limits!This is my first time using a ring-shaped magnet for stabilization. Has anyone tried this? Curious if people here have had success running with a reduced or no prime Jan 27, 2017 · I've got about an hour left of pulling filament out of the nozzle at the end of each "ghost" layer of the prime tower as to hopefully let the build finish successfully. And advice or shared settings would be appreciated. Bambu Studio supports It's not for purging, the prime tower is for upping the pressure in the nozzle so you won't get artifacts on the model. #3dprintfarm #3dprintfarming #3dprint #scalemodel #toolsofthetrade #3dprinting #3dprinter. com Jan 20, 2024 · This experiment had the side effect that it shows the two “Bambu PLA Basic Gradient” filaments are mostly just silly pastel colors (actually I think they do shift, but too slow for this model) while the “Bambu PLA Silk Dual Color” was closer to what I expected (and also close to the DIY dual color filament I tried, which worked much Oct 15, 2022 · When printing a 4-material print with 0. Aug 28, 2024 · Although this does not completely eliminate the prime tower, it prioritizes conducting transitions within the infill. This way, the filament used to make the prime tower doesn’t go to waste and doesn’t interfere with the color of the original print like it can with the “purge to infill” option. But if you don't want to use it, in the 'others' section of the settings there's a toggle (in addition to the ability to set its size). 1 The line spacing that I want. Its purpose is to build up the propper nozzle pressure before starting on the actual part, to avoid underextrusion after colour changes. Another approach could be to reduce the size of the prime tower, if that’s To clarify, its a prime tower, not a purge tower. The prime tower helps get the nozzle pressure up the scratch so that the new colour comes out appropriately and doesn't end up looking horrible. Now that I've switched to a 0. 95 Where is the application from? Bambu Lab Official website OS version Win 11 Additional system information No response Printer X1C How to reproduce Unable to resize prime Tower, After entering resize info, th Dec 17, 2024 · I installed Orca Slicer based on recommendations here. While checking Printer settings i realized there is one additional settings tab “multimaterial” which BS does not have. You can modify the width of the Prime Tower in the X direction. Bambu Studio. It reduces oozing, under extrusion and enhances overall printing quality. Aug 31, 2024 · Does anyone have an idea why the diameter of my Purge Tower is so huge compared to the actual item I’m printing? See photo. One approach would be to perfectly tune your purge amounts, and then turn off prime tower. — May 5, 2025 · I cannot find the setting for Prime Tower as shown. When printing a 4 color model the Prime Tower compromises the size that can be printed. STLs for the test model: https://www. Apr 10, 2023 · you can configure the prime tower at “Others->Prime tower”. When I tried printing at a 0. " And he linked the picture, so you can see it can be enabled. This happened in Bambu Studio. If that size/volume is not needed purely for priming for that layer, it still needs to put the same amount of filament on the prime tower to complete it, so it cuts the purge (out the back) short, and puts a little of that purge in the prime tower. I actually do single color prints with Timelapse and no prime tower. Wipe Inactive Nozzle on Prime Tower: After printing But the prime tower gets in the way. DevSecOps DevOps CI/CD [Feature Request] Lower Prime Tower #833. Bambu Studio supports The size of the desiccant compartment is about 130mm*50mm, and the depth is about 10-30mm (the depth is shallow in front and deep in the back) ¶ Bambu Studio and Bambu Handy FAQs. 13 and Orca Slicer 1. Mr. On that case the prime tower will be almost as high as the model, but only usefull once, close to the end of the print. Print settings Either use the settings below or import the Bambu Studio print profiles and enable prime tower if you normally print with the default profile (width 35mm, volume 45mm3) switch process to Global in Bambu Studio; start with the standard print profile We would like to show you a description here but the site won’t allow us. You can turn the prime tower off though if you want - you may or may not get slightly worse quality at the start of the black filament. 0. It also makes a great conversation starter. Instead of the prime tower, you could use a draft shield (only available in Orca Slicer, with Skirt Loops enabled), which offers two benefits: it creates a temperature barrier if you’re experiencing unwanted air blowing Apr 14, 2025 · Prime Tower Size: Sets the overall size of the tower in the X/Y direction. And a weird raised layer coming off the black filament. Kyle Olsen my bad, the width is greyed out and can’t be edited but the volume of tower is here to which I originally thought was the other way around 😒 on Tue 1 The size of the desiccant compartment is about 130mm*50mm, and the depth is about 10-30mm (the depth is shallow in front and deep in the back) ¶ Bambu Studio and Bambu Handy FAQs. 5mm. none of the new settings allow to decrease the first volume which would allow to reduce the size of the tower. (See image 1), Mar 28, 2023 · Currently the prime tower is defined in the printer settings/definition as excluded area. I’ve fine tuned my settings pretty far but I feel the prime tower could be setup as another fun model or trinket where you could burn up the contaminated filament from color changes on that and get a unique pattern opposed to wasting it all. 4mm nozzle it created a smaller prime tower. The prime tower has to grow with the print cause the printhead can't go down to layer 1, 2 whatever if the print is already 100 layers high. In the following example, when the prime tower is higher, its size is automatically adjusted to the size that meets the strength requirements. It makes assembly easier and also achieves a stronger balance. As soon as I add the prime tower I get stringing. You could maybe try messing around with the shape and size of the Prime tower to give it more overall strength? When I'm using PLA for support interface on PETG (or vice versa), I eliminate the prime tower all together and increase the flushing volume using the flushing volumes option in the slicer. however It is much larger than it needs to be for 3 active colors. When changing colors, the prime tower helps clean and prepare the nozzle for 3D printing the model. I think this can be possible in BS by manually selecting prime tower as “purge into this object Valheim is a brutal exploration and survival game for solo play or 2-10 (Co-op PvE) players, set in a procedurally-generated purgatory inspired by viking culture. I am trying out my first multi-color print, but I'm unable to get rid of the top section of this prime tower where there are no filament changes occurring. Anyone experimented with reducing the size to save of filament? Apr 19, 2023 · A prime tower is an additional print that’s created on the build plate to help prepare the nozzle before printing the next layer. 8. Looks good but there's a pretty huge tower, no need to waste so much. The prime tower has a few settings that can be adjusted. Top 2% Rank by size . If you change Prime Tower Volume to a diff number and then click the reset button it will be resized correctly. Dec 15, 2022 · By company size. During a multi color print, that process has to be repeated multiple times, hence the prime tower to perform the same task. In this video, I'm diving deep into the Prime Tower feature in Bambu Studio for mixed filament 3D printing. 清理量参数与可摆放区域优化 ¶ 1. Rob_Bob July 26, 2024, The size you choose is determined by the colour complexity in the model. I am using Bambu Studio 1. print the tower and adjust flushing volumes as explained in the previous section. Click Slice Plate and all is well and good. If they don't want to take the time to tweak settings then they can enable prime tower and purge a ton of filaments to be on the safe side. This section contains various frequently asked questions related to Bambu Studio and Bambu Handy ¶ Does Bambu Studio support Dark Mode? Yes. I tried printing a simple multi colored print with 2 color changes at layer height. 89 Where is the application from? By company size. r/BambuLab wait, if i set flush volume to 500, and set the prime volume to 500, will it just purge onto the prime tower instead of the chute? Reply reply 424c414e4b Presumably because they didn’t write the supporting code to place a prime tower per object where it won’t cause a collision. Do you leave Prime Tower turned on or do you turn it off? Let me know in the comments below!*Download links:*Togepi: https://makerworld. I purge into infinity cubes as the patterns usually work pretty well Clicking this minus will remove the last filament from the list, repeat this until you are down to only one filament and that "prime tower" block will disappear from your build plate. We would like to show you a description here but the site won’t allow us. What do we do now? this is forcing me downgrade or to switch to Orca??? The prime tower has 2 main attributes that you can configure to make it more efficient, size and cubicmm. Perfect for 3D printing enthusiasts! #3dprintfarm #3dprintfarming #3dprint. It seems like it is missing (comparing to screenshots found). To clarify, its a prime tower, not a purge tower. More posts you may like r/BambuLab. But if your print reaches some heights, you cannot make it too slim or it will topple. The size of the desiccant compartment is about 130mm*50mm, and the depth is about 10-30mm (the depth is shallow in front and deep in the back) ¶ Bambu Studio and Bambu Handy FAQs. Change tower Width to 10 (which seems reasonable) and re-slice. This will greatly minimize the waste for models with a high infill volume. I want to set variable layer heights, but when I do, it won't allow the prime tower because not all objects have the same layer heights, and I can't figure out how to apply the same variable layer heights to multiple (different) objects. It’s presumably the swaps that are adding the time, and would do so even if you disabled the prime tower and just purged. com/en/models/101760? Sep 14, 2024 · Enable Prime Tower. I have that selected the flush to infill and support options, but my prints are flushing to infill/support, printing a purge tower, AND still pooping between colors. Enterprises The prime tower is only supported if all objects have the same Depending on what materials you’re using, atmospheric conditions, etc, you might be able to get smooth transitions without a prime tower, or with much less prime tower than the default. com/invitation?code=AD2AJD#landing-page In this video, we’ll take a closer The benchy with my profile generated 60% less purge. By reducing the additional length of the rib, it can be reduced to the minimum size that meets the prime volume requirements . 6. I have also considered changing the shape of the prime tower slightly to have some interlocks on it. r/BambuLab The size of the desiccant compartment is about 130mm*50mm, and the depth is about 10-30mm (the depth is shallow in front and deep in the back) ¶ Bambu Studio and Bambu Handy FAQs. 50 Where is the application from? Bambu Lab Official website, Bambu Lab github releases OS version Windows 11 Additional system information No response Printer Bambulab P1P How to reproduce Add some model that 👉👉 Join the Free Community and Ask MeaD Anything! 👈👈https://learn. Also a tower was printed. Anyone seen this before? I’m on the latest version of Bambu Studio. As long as you're printing more than one color it will build a prime tower as tall as the model. 12mm layers, the prime tower is being over extruded, resulting in the print head crashing into the tower after a few layers. horizontal on the plate? When I tried this with the A1 Mini, Bambu Studio wouldn't let me do this? The problem is that when switching from one colour to another, the original colour (filament) has to be purged before the new colour comes through. You prime once for 2 or 3 models as the layers are all the same. When it is a square, it refers to the length of the square's sides. nuqp htbns rsoa lgby mseu htpeoqq okxw ugks gho gosfsaa