orca slicer coasting. A ~~functional~~ testing cube designed for Orca Slicer:) | Download free 3D printable STL models English en Čeština Deutsch English Español Français Italiano PolskiThis is my start code for my print sent from Orca slicer to Sonic pad EXECUTABLE_BLOCK_START M73 P0 R43 M201 X20000 Y20000 Z500 E5000 M203 X500 Y500 Z12 E45 M204 P20000 R5000 T20000 M205 X9. orca slicer coasting

 
A ~~functional~~ testing cube designed for Orca Slicer:) | Download free 3D printable STL models English en Čeština Deutsch English Español Français Italiano PolskiThis is my start code for my print sent from Orca slicer to Sonic pad EXECUTABLE_BLOCK_START M73 P0 R43 M201 X20000 Y20000 Z500 E5000 M203 X500 Y500 Z12 E45 M204 P20000 R5000 T20000 M205 X9orca slicer coasting  Cura has a very useful setting called "coasting" which tells the extruder to stop pushing out filament just before the end of its print move; this allows any ooze to become used in the print instead of becoming blobs and strings during the travel move

Exporting/ importing configurations. The feature that has broken is the device tab acts as a web browser and connects directly to the 3d printer’s web interface. Hoje vou te mostrar como instalar o fatiador Orca Slicer e como adicionar sua impressora 3D nele!Link para o Orca Slicer: Cura - 2h 47m - 55g - 18. Can be fractional (e. K1 Custom Profile for Orca. If bambustudio beta was option, I’m voting that one. 75mm) and to utilize. 'Once pressure advance is tuned in Klipper, it may still be useful to configure a small retract value in the slicer (eg, 0. I've attached some gcode generated by Cura vs gcode generated by BS and you can see Cura almost completely closes the line whereas BS ends too soon. 6 nozzle. 6 nozzle. Shall the coasting feature only be active just before a retract, or shall it be active for any stopping move? Slic3r does a bit of "coasting" to hide a seam on any closed loop, but the coasting distance is fixed to 15% of a nozzle diameter. For more detailed documentation, please go to the documentation section and for specific hints, go for the tricks and tips section. 6. 512 mm^3 | Minimum Volume: 1. Worked perfectly thanks. New comments cannot be posted and votes cannot be cast. Peeps, let's walk through slicing and printing, a test dog, for the Creality K1 3D Printer, using ORCA SLICER! With @GreggAdventure Test Dog: is seam gap in the process profile under the quality tab. v1. If I understand it correctly the BBL printers do not do any variable substitution. Print the Square Tower. A print with pressure advance enabled will take. I comes with a v400 profile and as far as I'm concerned, only one change is needed: change Wall Geneerator to Classic. Users can check model dimensions and angles directly in PrusaSlicer. • 6 mo. When I enter the IP address of my pi, it throws an error, but it displays my instance of Fluidd under the device table. Bridge Skin Support Threshold (%) – The minimum skin support percentage for the slicer to apply bridge settings. 3) In the “Printer” Drop-down menu, select “Creality Ender-3 S1”. I’ve matched settings as best I can tell between the two slicers, but orca will give me a better looking print, while Cura will use about 1/3 the filament for a pretty darn good. To Reproduce On All sliced files Expected behavior The Pink line should be match with the white line i. RE: A little help to get my prints perfect please. 4 nozzle, click that, there should be a 0. The video explores the use of Orca Slicer with the Bambu Lab P1P and X1 Carbon. . 2 weeks ago. You could take that info and try adjusting your printers belt tension or other items on the physical printer, but 0. It's tough to pinpoint the exact changes BL made in the slicer, closed-source plugin, or the black box printer firmware that might affect the camera feed. Base Orca - 2h 37m - 60. Orca has support for other printers, which is convenient if you want to use a single slicer and workflow for multiple printers. 6 mm nozzle. If you are referring to scars across the top surface caused by the nozzle, the feature you are looking for is Printer Settings->Extruder 1->Lift Z. I won't have the time to investigate for another week or two. This comprehensive guide will help you achieve optimal. For smaller surfaces it can happen when the filament flow ratio is a. Make your own by opening your existing slicer and inputting the values into Orca Slicer: extruder settings, max speed and acceleration values in particular. . These settings are specific to the printer model. Open Cura slicer. Maximum Retraction Count: 10. Orca Slicer is an open-source project, and I'm deeply grateful to all my sponsors and backers. Whether. Qidi xmax3 wifi problems with Orcaslicer. Getting more-or-less equivalent settings on the main stuff, Orca takes about 20% longer on my test print. However they could be downloaded from the Orcaslicer github repository. Re: Settings for printing with 0. Published Nov 20, 2023. Looking to master Creality's slicer? Learn all about the crucial Creality Slicer settings and how to obtain a flawless print. 3mf project and try to save profile as user preset. Ugly UI and confusing ways to do things. Common slicers used with Klipper are Slic3r, Cura, Simplify3D, etc. The square should be 25 x 25 mm with it's height scaled to match the target layer height. Bridge Wall Coasting controls a feature that reduces the pressure in the nozzle as it approaches the start of the bridge. You might need to add the following two lines to the 'Custom Start G-code' within Orca Slicer: M104 S0 ; Stops PS/SS from sending temp waits separately. It helps the printer to avoid crossing the walls of the object when traveling from one place to another, which minimizes the risk of stringing. Upload gcode, start prints, homing, temperature, lights, you can all do it. Getting more-or-less equivalent settings on the main stuff, Orca takes about 20% longer on my test print. SoftFever edited this page last month · 5 revisions. Thanks! 5 days ago. Orca Slicer is licensed under the GNU Affero General Public License, version 3. 0 Official Release Latest. Some places has less contact between layers, so less appealing and less robust. 20 E2. increase first layer temperature by 5-10°. Even with a perfectly dialed linear/pressure advance coasting still comes in handy. The pressure advance system does not change the timing or path of the toolhead. Inner Wall (s) Line Width 0. 1. 6. ¶ USB-C Drive suggested. Orca Slicers calibration features are now built in, as well as new more compact calibration lines. OrcaSlicer V1. 8 mm nozzle. Auto calibrations for all printers. I am a bot, and this action was performed automatically. 7 seconds to get up to speed, so I set this to 0. The Slicer Profile Problem. 6. Below is a step-by-step guide you can follow to activate coasting in Cura for printing with PETG: Navigate to the Prepare tab of Cura, which you can find at the top of the window. Please refer to previous Beta and Release Candidate releases for a complete list of changes introduced in the V1. Print about half the speed of PLA to start. In diesem Video erkläre ich Euch, was ich daran gut finde und wo es noch Fehler in der Beta gibt. Some folks need this or any other post processing. 1. QIDI Slicer based on Prusa Slicer. Secondly, OrcaSlicer is built upon the solid foundations of both Prusa and Bambu slicers, giving it a reliable pedigree. Do not enable “coasting” The “coasting” feature is likely to result in poor quality prints with Klipper. To close this gap and get the best out of […]Slicing tolerance is a Cura feature that allows you to determine how the slicer will try to compensate for the inaccuracies caused by the division of a mesh into individual layers appearing on the diagonal regions between the calculated volume of the model and the actual volume of the model. I have a Bambu Lab X1 as well as my Ender, so it makes sense for me to use. Ensure your desktop/laptop and Klipper are connected to the same network. Outer Wall Line Width 0. 75mm (1kg) ‘SCHWARZ MATT’ - 3D Drucker Filament - Made in Au. Cheers. Make sure to select the appropriate version for your test. Here, the layers contain all parts of the model’s original surface, leading to slightly bigger layers. Contains a V400 Printer profile preset, a PLA generic preset and a Printing Preset profile with usual layer heights. When I print with your settings (eg the hurricane part you shared), the outer wall speed is limited to 15mm/s, even if I set it at 400mm/s. 2. I like Creality Slicer. Bambu Studio is based on PrusaSlicer by Prusa Research, which is from Slic3r by Alessandro Ranellucci and the RepRap community. Seam shows up a bit strong. It boasts a large print area of 400 mm x 400 mm x 450 mm for a total build volume of 72000000 mm3. We’ve. A few things to try: increase first layer line width. With respect to advertising, we and selected third parties, may use geolocation data and identification through device. Direct port of BambuStudio's Height Range Modifiers feature. More granular controls. It seems that the extruder is slowing down the "push" pressure on the filament a little. For third party options, the AnkerMake M5 also supports Cura and PrusaSlicer in the future. 35. Of all those available PrusaSlicer is the best overall. Additional tip: there's a search bar in the prusaslicer settings so you can search for settings by name. The primary (and perhaps only) advantage of using larger line width values is reducing print time, as producing thicker lines means more filament flows. Orca Slicer incorporates a lot of features from SuperSlicer by @supermerill Retraction Distance is 4mm extra restart distance is 0. Thank you to our sponsor Fictiv. The text was updated successfully, but these errors were encountered: All reactions. Btw, I used the Orca Slicer for my test, not the Bambu Studio. 2 OrcaSlicer V1. RE: Coming and Retraction parameters to get rid of scars. 0-RC2. Sandwich (inner-outer-inner) mode - an improved version of the External perimeters first mode. I'm going to install Prusa Slicer and try those same files and see what happens. ) I believe that all choices made when the job is created are sent as special parameters in the MQTT for the BBL printers. Combing is a feature available in most 3D printing software, including Cura and PrusaSlicer. Thank you! :) Sponsors: Backers: todo: extract ko-fi backers list. Orca Slicer incorporates a lot of features from SuperSlicerI use the Orca Slicer variant of Bambu's slicer because it offers finer-grained control over the slicing process and makes tuning and using tuned filament profiles much easier than Bambu's official slicer, which lacks good calibration routines for some of the most important variables in good printing: flow rate, pressure advance, and. Click the Custom button if visible. Slicers¶ This document provides some tips for configuring a "slicer" application for use with Klipper. Coasting Volume = 0. ago. Configure the print settings with the optimal values for the 0. 74. It is a very helpful feature to get rid of those zits and blobs in your Z seam. Bambu809. Cura Coasting is used in most cases to avoid stringing. Willkommen zu einem weiteren spannenden 3D-Druck-Abenteuer mit ORCA-Slicer! In diesem brandneuen Video dreht sich alles um die entscheidende Filamentkalibrie. stl and step ok. But there was a bug in the JavaScript code which is now in the 1. output_name". 5 seconds). All reactions. 6. Choose the start and end retraction: Use the default values or check the retraction you currently have set in your 3D slicer software as a reference, and enter values above and below the currently set value for retraction distance. Read on for the best Ender 3 S1 & S1 Pro Cura slicer profiles. You can use it to counteract printing errors such as stringing. In Cura, retraction speed settings are divided into two values: Retraction retract speed is the speed (in mm/s) at which the extruder pulls back the filament. The post-processing script may suggest a new output file name (likely based on SLIC3R_PP_OUTPUT_NAME) by saving it as a single line into a new "output name" temp file, for example to add time stamps or sequence numbers to the final G-codes. Retraction speed: 40 mm/sec. Jrock March 13, 2023, 5:23pm 23. Measurement tool. by Jackson O'Connell. org. See ramming button on the screen shot. Well guys, I've tried them all on my Flsun V400, and the very best slicer I've come across is the Orca Slicer v 1. I think something in orca has a cap that is over. 1 KB. In the slicing parameters, the first step you need to take is to set a high print speed with a layer height that is around 75% of the nozzle diameter, along with all dynamic acceleration control being disabled. Additional tip: there's a search bar in the prusaslicer settings so you can search for settings by name. Click “File”; “Load Config” and select the Orca Slic3r Profile. Greater ability to tune settings. ️ Instagram: fdmbr. . 3 the top surface is clean (image 2). The temperature, cooling moves and so can be handled via variables, but the deal breaker is that orca doesn't have a purge tower, just a prime tower (big difference). When trying to import there is a message that says 0 configurations imported. Orca Slicer - Sequential printing. Cura, two of the best free and open-source slicer software options out there. Disable Coasting Settings The coasting feature lets you adjust the filament flow before and after your print head changes its acceleration speeds. . Orca Slicer incorporates a lot of features from SuperSlicerOrca Slicer is a great slicer with pretty solid presets, not to mention it's easy to use. 6 profiles for the Flsun V400 using the new Orca Slicer Beta 1. About a month ago, Bambu ported all the orca features to their main slicer and added some more calibrations of their own. A default profile will not give you any idea how much you can change a setting. Sharing some 0. Keep reading to learn about the best Cura coasting settings and see what they can do! Join me as I share expert tips and undocumented calibration techniques for tuning filament in Orca Slicer. Change your temps to match the material. Click to find the best Results for orca Models for your 3D Printer. Slicers¶ This document provides some tips for configuring a "slicer" application for use with Klipper. Here, enthusiasts, hobbyists, and professionals gather to discuss, troubleshoot, and explore everything related to 3D printing with the Ender 3. M104 S [first_layer_temperature]; calienta hotend sin esperar. Buongiorno , vorrei utilizzare la mia sermoon D1 Creality , sulla quale gira klipper , con orca slicer qualcuno sa indicarmi il tipo di stampante da selezionare in fase di configurazione iniziale , se non ricordo male la Voron ,alla quale poi va modificato le dimensioni del piatto nello slicer , qualcuno sa darmi qualche info in più ? Grazie. txt In this video, I share my 6 reasons why I switched to Orca Slicer. mmunchinskion Apr 18. there is one in orca slicer, not sure why it wouldn't be in bambu slicer too. Furthermore I would argue that Prusa Slicer does not have an alternative to Coast as Linear Advance is more of a firmware calibration feature. No fields or buttons Expected resu. 2 tasks done. by Gloria E. with cura the coasting. cigoL_343. That's not the problem. Expected behavior Profiles maintained across updates, should be able to save new profiles. If you were designing parts it also tells you what kind. JayZay July 28, 2023, 4:36pm 10. Faster retractions can help to prevent. 6 profiles for the Flsun V400 using the new Orca Slicer Beta 1. tsmith35 April 15, 2023, 2:35am 2. Flow Rate Compensation in Cura changes the flow rate without changing the actual value. Right click on model and set filament type to material 4 (black) Paint parts of model as required. Prusa slicer is the best slicer. Currently I am using SuperSlicer and like it, but Orca. On 5/7/2023 at 9:03 AM, atrushing said: The slicer likes to assume and insert start temperatures unless you define something. Cura Coasting Settings: Simply Explained. It would be nice to have Tip shapping has Superslicer or Prusaslicer. Reply reply ShadyShrew • Thank you!. Set 'Fan kick-start time' to any positive number to. It also has the best support systems in the. Orca on an old iMAc Wam42 asked Nov 23, 2023 in Q&A · Unanswered 0 1 You must be logged in to vote. Not a particularly high priority for me though to post process g-code - them main thing I would like to try doing is introducing long planned delays in overnight prints, and trying to improving things. But after saving a simple cube in bambu and opening and slicing in orca I think I've found the difference. . 8 mm nozzle in more detail and take a deeper dive into the process of configuring and. Yes, just install the bambu slicer software and it has the plug in for orca slicer to then work. Welcome to the OrcaSlicer WIKI! We have divided it roughly into the following pages: Calibration. Once enabled there, it will allow you to adjust the aux fan speed within the filament settings section. Very simple to use for a newbie like me. Orca Slicer is based on Bambu Studio by BambuLab. And in the meantime I get along better with Orca than with Prusaslicer. I put the new speeds and temperatures in the orca profile and resliced, and it came out with an identical print time. Disable Coasting Settings The coasting feature lets you adjust the filament flow before and after your print head changes its acceleration speeds. ;STARTGCODE M117 Initializing ; Set coordinate modes G90 ; use absolute coordinates M82 ; extruder absolute mode ; Reset speed and extrusion rates M220 S100 ; reset speed ; Set initial warmup temps M117 Nozzle preheat M104 S100 ; preheat extruder to nozzle temp M140. If the pressure is corrected by linear advance, then there is no need for coasting. Just a quick example of potential impacts that can happen when Orca & Bambu Studio get out of sync between their release trees. 35. 6mm nozzle print is 86g. Please contact the moderators of this subreddit if you have any questions or concerns. The "output name" file name is to be created by suffixing the input G-code file name with ". Magarotto. Features like retraction, z-lift, wiping and coasting (Cura) have been added to compensate. The slicer software influences the print quality of any 3D printing setup. This will open automatically the first time you launch PrusaSlicer. If no concave non-overhang vertices are available, it. Update Orca Cube v2, including some small tweaks to the model. 虎鯨(學名: Orcinus orca ),又稱殺手鯨、逆戟鯨,為齒鯨小目 海豚科下体型最大的物種。虎鲸是分布广泛的哺乳动物,栖息于所有的大洋,除了波罗的海、黑海及北冰洋部分地区之外,在冰冷的南北極、溫帶亞熱帶到热带海域都有分布。Combing Mode=All is better than Off. x added support for the new filament, but Orca Slicer (v1. Set the G-Code flavor to Marlin¶ Many slicers have an option to configure the "G-Code flavor". 9 months ago. The new profiles and Printer will be added to your dropdown menus. #2818 opened Nov 21, 2023 by HTraff. Steps: Select "Retraction test" in the Orca Slicer Calibration menu. Restart Cura for the changes to take effect. 虎鯨(學名: Orcinus orca ),又稱殺手鯨、逆戟鯨,為齒鯨小目 海豚科下体型最大的物種。虎鲸是分布广泛的哺乳动物,栖息于所有的大洋,除了波罗的海、黑海及北冰洋部分地区之外,在冰冷的南北極、溫帶亞熱帶到热带海域都有分布。 Combing Mode=All is better than Off. The slicer prints 3 layers of the logo text before it starts over-printing with the body color filament. Mit Orca Slicer wurde eine interessante Software vorgestellt, welche in den letzten Wochen positiv von der Community aufgenommen wurde. 9 release. The retraction mechanism is active by default in most of the common slicers. The “Parameters” section at the beginning takes the arguments (parameters) being passed to the macro (right side) and saves each to its own runtime variable (left side). Klipper support. Consider using Klipper's pressure advance instead. Power users, being power users, tend to dislike this. . Which of these values is it using and how does it determine which to use. It also allows Orca to choose the best ones. It's primarily to reduce stringing. For normal nozzles, the faster settings are good, so this is a specific case. . Follow the steps below to configure the plugin for your Klipper 3D printer, and experience remote 3D printing. It is not a slicer function. Thanks!Fixed some issues when slicinig models with Mini A1 and X1E. Descubra o Orca Slicer, o fatiador que está conquistando o mundo da impressão 3D! Neste vídeo, compartilho minha experiência e mostro por que ele está se tor. 2mm layer height, two shells, 15% infill, the 0. There is no reason not to try orca at least. TPU: 2-2. 6. One glitch I found was caused by using the brand new Bambu Filament PETG-CF in my AMS. Fighting Ooze. Combing helps - as you imply in your question - with materials prone to oozing (e. Desktop (please complete the following information): OS: WindowsOrca Slicer is a fork of Bambu Studio. 4. It’s a much better user interface and provides great features. As asdf723n said, use alcohol between prints to clean the bed. AnkerMake M5 works best with the AnkerMake Slicer software developed by AnkerMake. 5. Orca Slicer use initial_layer_print_height instead of first_layer. Why Ovals and not circles. First time using Orca Slicer and the stuff i print isnt round. 6mm nozzle print is 86g. The best temperature, print speed, and retraction settings, among others. " Click on the Zip file that will work on your machine. As long as the format is gcode file. As asdf723n said, use alcohol between prints to clean the bed. . ago. PrusaSlicer takes advantage of Linear Advance to eliminate the need for coasting. Horgul123 commented Sep 4, 2023. The steps in. -Save K value to Firmware and/or Prusa Slicer Start G-Code-Print 'After' test cube. It was previously known as BambuStudio-SoftFever. 6. OrcaSlicer Version 1. Always go larger for wall thickness. Contains a V400 Printer profile preset, a PLA generic preset and a Printing Preset profile with usual layer heights. Orca Spirit Adventures: Amazing experience! - See 1,295 traveler reviews, 504 candid photos, and great deals for Victoria, Canada, at Tripadvisor. Posted: 5/5/2023 7:24:12 AM EDT [#1] Whale knives? That what this is about? Speaka da engrish, my man. Open the Cura Marketplace, and Install the Moonraker connection plugin. Sort by: Open comment sort options. Expected behavior for the Slicer to be updated. Nov 5, 2023. 6 mm option from the list. Top surface will have random lines that show up on final print like in the pictures posted. Reply reply. • 6 mo. You can use a value of around 90% of the normal speed to ensure the filament is laid down correctly. by Pranav Gharge. I've never heard of it called coasting. Make sure your external perimeter line width is wide enough. Translation into Portuguese/Brazil Gustavo-whitacker started Nov 23, 2023 in Dev. Hätte jemand der Deutsch kann vllt eine gute Anleitung oder Zeit zum. Features like retraction, z-lift, wiping and coasting (Cura) have been added to compensate. Script executionhliebscheron Apr 17. Many slicers have an option to configure the "G-Code flavor". 3MF Cura - 4h 22mm - 59g - 19. Saw there was a similar issue in Prusa Slicer a few months ago in an alpha version that was supposedly resolved. A new project consisting of nine blocks will be created, each with a different flow rate modifier. Coasting – Volume: 0. Coasting is an effective and. So with these sample prints, both done at 0. Bridge Skin Support Threshold (%) – The minimum skin support percentage for the slicer to apply bridge settings. For some reason, this is what im getting. ) For many reasons you may want to tweak a preset Cura profile. There’s a ton of threads on this forum already discussing PETG and PLA at great length with the. 5. 2-beta release. It shares the same goal as retraction but takes a different approach to achieve it. To set up pressure advance in Klipper, you must first run some test prints and use these results to calculate the appropriate pressure advance value. Not only does it work with FDM printers, but it also works with several resin printers too. Medo2702 • P1P • 6 mo. Ultimaker/Cura#1478. I added G28G29 into Orca slicer directly but that just made it skip over the prime line that I have on the macro and no filament was being extruded when it started moving. Alot of parts can be printed that cant be injection molded or cnc machined. Changing to Orca Slicer. The current v. This is the only slicer I use now and it gives me almost 100 percent good prints. Common slicers used with Klipper are Slic3r, Cura, Simplify3D, etc. @stratiegery01. The Prusa slice might have the petg volumetric speed set to 8 or 10 but we need to know the speeds on both slicer on your part to help see what both slicers are doing this way we. 61) and Orca Slicer (1. 3 beta of Orca Slicer has a much improved profile for the Artillery Sidewinder X2, with sane defaults, that actually works. 3 has a good search function - the magnifying glass icon on the plater tab, or Ctrl-F. Normaly my X1C makes perfect prints in PLA and ABS. (Open GL. Printer & Slicer Filament Material and Brand Nozzle and Bed Temperature Print Speed Nozzle Retraction Settings. In the end it should suite you. I am currently using a FLSun V400 delta printer and am using the 1. Continue with the provider and email address you used when you subscribed. You basically flush a fixed volume into a small tower, meaning you either waste filament or purge not. I get my best looking seams in S3D using just a tad of coast on top of pressure advance. 5. Open the Cura Marketplace, and Install the Moonraker connection plugin. Whether. Special Note: I would argue that Coast is needed in addition to Linear Advance and not in place of. I haven't tried bambu studio or orca slicer, but in prusa slicer or super slicer you can turn off accel control from the slicer using the printer settings > machine limits > how to apply limits setting. 'Process-4' from 10mm - 6. Compare. Be aware that LA values have changed for the latest firmware 3. °. Steps: Select "Retraction test" in the Orca Slicer Calibration menu. Switched to Orca Slicer, because I need to overextrude the first layer a bit and underextrude the last one. Then in OrcaSlicer, Go to: File > Import > Import Configs > search for files and confirm. Aber ich verzweifel leider daran . . Make sure to select the appropriate version for your test. The extrusion stops a couple mm before the end of a layer and leaves gaps in the prints. Bambu Studio is based on PrusaSlicer by Prusa Research, which is from Slic3r by Alessandro Ranellucci and the RepRap community. Slicer Setup. Prusa Slicer: “Elephant foot compensation” (elefant_foot_compensation - yes it’s misspelled) Cura: “Initial layer horizontal expansion” If It Happens Everywhere . In reality, physics and filament charactertics tend to get in the way. With infill, the wider extrusion width isn’t going to result in more material being laid down, because the slicer will just stretch out the infill pattern to make up for. This change brings significant improvements in how easy it is to use the printer, with fine-tuned profiles that are made to work great with Klipper printers, like the X-MAX 3. ) If your max flow rate calibration is 20mm^3/s then drop it a little, perhaps to 18, just. This process will tell Cura to load its default profiles. A simple interface will show up, and you can control the printer from there. If they don't you'll at least have a basis for what might be wrong. Add missing display values for Flashforge printers when using Orca Slicer. Turn off coasting (as a minimum to see if that fixes this issue), turn off hop and retraction on. 2 layer height.