# Developers

**URL:** https://forum.dynamobim.com/c/python/11.md

[Latest](https://forum.dynamobim.com/latest.md) · [Categories](https://forum.dynamobim.com/categories.md) · [Tags](https://forum.dynamobim.com/tags.md)

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## [Dynamo Package Open Source](https://forum.dynamobim.com/t/dynamo-package-open-source/67964)

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**Author:** [@chuongmep](https://forum.dynamobim.com/u/chuongmep)\
**Replies:** 0\
**Last updated:** [September 8, 2021, 4:34am UTC](https://forum.dynamobim.com/t/dynamo-package-open-source/67964 "2021-09-08T04:34:12Z")

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Hi all, Today I want to share with everyone the source code related to dynamo so that you can easily learn and develop the product. I hope it will be useful to anyone doing development work. However some of the source c…

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## [Intersected beams stacking rebars issue](https://forum.dynamobim.com/t/intersected-beams-stacking-rebars-issue/115228)

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**Author:** [@REDO10](https://forum.dynamobim.com/u/REDO10)\
**Replies:** 0\
**Last updated:** [September 23, 2026, 10:49am UTC](https://forum.dynamobim.com/t/intersected-beams-stacking-rebars-issue/115228 "2026-09-23T10:49:17Z")

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Hi All, @c.poupin I’m trying, through the attached code, to create longitudinal and stirrup rebars for intersecting beams. At the beam intersections (supports), the longitudinal rebars should be stacked at the top and b…

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## [Drawing Units how to get it? in Autocad and C3D!](https://forum.dynamobim.com/t/drawing-units-how-to-get-it-in-autocad-and-c3d/115160)

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**Author:** [@gilberto.arechigaiba](https://forum.dynamobim.com/u/gilberto.arechigaiba)\
**Replies:** 6\
**Last updated:** [September 1, 2026, 8:00am UTC](https://forum.dynamobim.com/t/drawing-units-how-to-get-it-in-autocad-and-c3d/115160 "2026-09-01T08:00:58Z")

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Hola amigos buenas, some one knows a way to get a property value or the value and name of a systemvariable that gets the Drawing Units both in Autocad and C3D, after a couple sessions with copilot i achive to get LinearU…

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## [Code editor experience in python nodes](https://forum.dynamobim.com/t/code-editor-experience-in-python-nodes/114348)

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**Author:** [@jazzsharma200](https://forum.dynamobim.com/u/jazzsharma200)\
**Replies:** 3\
**Last updated:** [July 17, 2026, 5:18am UTC](https://forum.dynamobim.com/t/code-editor-experience-in-python-nodes/114348 "2026-07-17T05:18:55Z")

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Hello everyone, I have been developing a full Dynamo solution for about 6 months and am currently using Python from a String node to connect via VS Code. However, since I have written more than 3,000 lines in some solut…

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## [Parameter codes - Codigos para paremetro](https://forum.dynamobim.com/t/parameter-codes-codigos-para-paremetro/114898)

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**Author:** [@hportugal2](https://forum.dynamobim.com/u/hportugal2)\
**Replies:** 1\
**Last updated:** [July 7, 2026, 5:31am UTC](https://forum.dynamobim.com/t/parameter-codes-codigos-para-paremetro/114898 "2026-07-07T05:31:18Z")

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Translated by Google: Hi, can someone help me with a script? I need to generate codes for a parameter where the code indicates the element’s level plus a specific code—for example, N1 P001. I’ve tried, but I got stuck w…

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## [CAD Block Insertion Point to Family location](https://forum.dynamobim.com/t/cad-block-insertion-point-to-family-location/13478)

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**Author:** [@Azubike\_Ononye](https://forum.dynamobim.com/u/Azubike_Ononye)\
**Replies:** 25\
**Last updated:** [June 29, 2026, 8:45am UTC](https://forum.dynamobim.com/t/cad-block-insertion-point-to-family-location/13478 "2026-06-29T08:45:57Z")

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Hey guys - I am looking to retrieve the insertion point of a block in an active AutoCAD file and use that to locate revit families. These are nodes from the LinkDWG package. As seen from the image below, the node within …

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## [Input and Default value for boolean](https://forum.dynamobim.com/t/input-and-default-value-for-boolean/6921)

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**Author:** [@Severin](https://forum.dynamobim.com/u/Severin)\
**Replies:** 6\
**Last updated:** [June 19, 2026, 9:28am UTC](https://forum.dynamobim.com/t/input-and-default-value-for-boolean/6921 "2026-06-19T09:28:48Z")

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Hello, I’m making a custom node with a Boolean Input. The custom Node work if I connect something to my input but I want he work with a default value? I write: InputName : bool = false Someone has an idea? Maybe is …

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## [Default value disabled in custom node](https://forum.dynamobim.com/t/default-value-disabled-in-custom-node/22287)

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**Author:** [@ricardoperucci](https://forum.dynamobim.com/u/ricardoperucci)\
**Replies:** 6\
**Last updated:** [June 19, 2026, 8:25am UTC](https://forum.dynamobim.com/t/default-value-disabled-in-custom-node/22287 "2026-06-19T08:25:49Z")

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Hello, Can anyone explain me why sometimes when I set a default values for some input in a custom node, it stays “disabled”? I cannot find anything about it. Thank you!

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## [Revit API: get document Title Blocks](https://forum.dynamobim.com/t/revit-api-get-document-title-blocks/5500)

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**Author:** [@Thomas\_Mahon](https://forum.dynamobim.com/u/Thomas_Mahon)\
**Replies:** 11\
**Last updated:** [June 18, 2026, 10:08am UTC](https://forum.dynamobim.com/t/revit-api-get-document-title-blocks/5500 "2026-06-18T10:08:44Z")

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Does anyone know how to get all the Title Block Id's in a Revit document? I'm not looking to get any or all of the Title Blocks placed on sheet views, I am simply after the list of Title Block Id's to be able to create n…

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## [A wondering thread on zero touch node development](https://forum.dynamobim.com/t/a-wondering-thread-on-zero-touch-node-development/114798)

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**Author:** [@jacob.small](https://forum.dynamobim.com/u/jacob.small)\
**Replies:** 17\
**Last updated:** [June 18, 2026, 2:35am UTC](https://forum.dynamobim.com/t/a-wondering-thread-on-zero-touch-node-development/114798 "2026-06-18T02:35:17Z")

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For zero touch modes, node model nodes, extensions, and view extensions I have found AI assisted autocomplete in visual studio more effective than any tool building larger prompts. There are three problems I keep seein…

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## [Save script Input settings without a Save As](https://forum.dynamobim.com/t/save-script-input-settings-without-a-save-as/114776)

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**Author:** [@Dan\_Rosenberg](https://forum.dynamobim.com/u/Dan_Rosenberg)\
**Replies:** 2\
**Last updated:** [June 15, 2026, 3:13pm UTC](https://forum.dynamobim.com/t/save-script-input-settings-without-a-save-as/114776 "2026-06-15T15:13:08Z")

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Is there a way to save Input settings for a .dyn without doing a save as. For example, I have script that will build a tower that has settings for length/width/height/rotation/column count/column family. Maybe I want t…

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## [ToDSType() ambiguity in Revit2027/C#](https://forum.dynamobim.com/t/todstype-ambiguity-in-revit2027-c/114729)

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**Author:** [@GavinNicholls](https://forum.dynamobim.com/u/GavinNicholls)\
**Replies:** 9\
**Last updated:** [June 5, 2026, 1:55am UTC](https://forum.dynamobim.com/t/todstype-ambiguity-in-revit2027-c/114729 "2026-06-05T01:55:35Z")

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Stumbling into ZT node development and have hit a roadblock I can’t seem to figure out a good fix for. I’m using Revit 2027 and have had issues getting ToDSType() to work for certain classes when attempting to convert D…

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## [Access To Material Texture Path](https://forum.dynamobim.com/t/access-to-material-texture-path/15998)

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**Author:** [@truevis](https://forum.dynamobim.com/u/truevis)\
**Replies:** 21\
**Last updated:** [May 21, 2026, 6:57pm UTC](https://forum.dynamobim.com/t/access-to-material-texture-path/15998 "2026-05-21T18:57:49Z")

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The Building Coder has offered us a clue to finding a Material’s images: http://bit.ly/mattextpath What would one have to do to turn that into a Dynamo node? \[image\]…

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## [Python Script Editor unstable (Revit 2025/ Dynamo v 3.3.0 )](https://forum.dynamobim.com/t/python-script-editor-unstable-revit-2025-dynamo-v-3-3-0/114476)

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**Author:** [@Hfox40](https://forum.dynamobim.com/u/Hfox40)\
**Replies:** 8\
**Last updated:** [April 24, 2026, 2:22pm UTC](https://forum.dynamobim.com/t/python-script-editor-unstable-revit-2025-dynamo-v-3-3-0/114476 "2026-04-24T14:22:59Z")

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Hi, I always get wired problem when I use custom python scripte(CPython3) in dynamo. I don’t think my scripte has such problem, because somethings it works. import clr import sys import System from System import Ar…

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## [How to delete multiple family parameter from inside the project](https://forum.dynamobim.com/t/how-to-delete-multiple-family-parameter-from-inside-the-project/26802)

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**Author:** [@shrawanram](https://forum.dynamobim.com/u/shrawanram)\
**Replies:** 31\
**Last updated:** [April 16, 2026, 12:57pm UTC](https://forum.dynamobim.com/t/how-to-delete-multiple-family-parameter-from-inside-the-project/26802 "2026-04-16T12:57:49Z")

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I have 50 mechanical equipment inside the project. I am trying to delete all listed parameter of all families from inside the project. THis script works fine inside the family . How to workable from projects also. Nee…

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## [Add Icon to Zero Touch Node](https://forum.dynamobim.com/t/add-icon-to-zero-touch-node/99565)

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**Author:** [@JMCiller](https://forum.dynamobim.com/u/JMCiller)\
**Replies:** 35\
**Last updated:** [April 10, 2026, 8:45pm UTC](https://forum.dynamobim.com/t/add-icon-to-zero-touch-node/99565 "2026-04-10T20:45:02Z")

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Hello forum! I am developing a custom package full of Zero Touch Nodes and currently, I am struggling with adding icons to my Dynamo nodes. I am dealing with DynamoSandbox 2.19.3.6994 version. Before doing anything, I…

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## [Dynamo Core NuGet](https://forum.dynamobim.com/t/dynamo-core-nuget/114012)

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**Author:** [@Brendan\_Cassidy](https://forum.dynamobim.com/u/Brendan_Cassidy)\
**Replies:** 10\
**Last updated:** [April 8, 2026, 6:51am UTC](https://forum.dynamobim.com/t/dynamo-core-nuget/114012 "2026-04-08T06:51:36Z")

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@solamour @john\_pierson @Michael\_Kirschner2 @jacob.small I have opened up a Visual studio project and it would seem the latest 3.6.2 and 3.7.0 versions of DynamoVisualProgramming.Core nuget package has been changed to…

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## [Dynamo script to read cells in excel sheet](https://forum.dynamobim.com/t/dynamo-script-to-read-cells-in-excel-sheet/114334)

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**Author:** [@la-archpm](https://forum.dynamobim.com/u/la-archpm)\
**Replies:** 2\
**Last updated:** [April 2, 2026, 9:31am UTC](https://forum.dynamobim.com/t/dynamo-script-to-read-cells-in-excel-sheet/114334 "2026-04-02T09:31:23Z")

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My colleague started developing a Dynamo file to read an excel sheet with a couple of columns that would populate sheet names and titleblocks with sheet name and number. I wanted to see if we could get the dynamo to read…

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## [ZeroTouchNodes, how to beginn?](https://forum.dynamobim.com/t/zerotouchnodes-how-to-beginn/92599)

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**Author:** [@Draxl\_Andreas](https://forum.dynamobim.com/u/Draxl_Andreas)\
**Replies:** 31\
**Last updated:** [March 26, 2026, 1:08am UTC](https://forum.dynamobim.com/t/zerotouchnodes-how-to-beginn/92599 "2026-03-26T01:08:50Z")

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Hello, i try just to follow this: https://alvpickmans.github.io/DynamoDevelopment-London-Hackathon-2019/03-ZeroTouch/01-Setup.html currently i use Revit 2022.1 and Dynamo 2.10.1. later i will test for 2024 shoul…

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## [Python editor not work (revit 2025)](https://forum.dynamobim.com/t/python-editor-not-work-revit-2025/114265)

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**Author:** [@RMohareb](https://forum.dynamobim.com/u/RMohareb)\
**Replies:** 1\
**Last updated:** [March 25, 2026, 10:11am UTC](https://forum.dynamobim.com/t/python-editor-not-work-revit-2025/114265 "2026-03-25T10:11:20Z")

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i have problem when i try to use python script node. it crash the dynamo and revit when just try to open to write python code. any advise ?

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## [Where to learn the Cpython3 Language?](https://forum.dynamobim.com/t/where-to-learn-the-cpython3-language/114250)

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**Author:** [@sohel.pathan](https://forum.dynamobim.com/u/sohel.pathan)\
**Replies:** 6\
**Last updated:** [March 24, 2026, 4:22pm UTC](https://forum.dynamobim.com/t/where-to-learn-the-cpython3-language/114250 "2026-03-24T16:22:14Z")

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I have just started working on a Dynamo automation project in my company. I am able to create scripts, but I have a question regarding the Python node in Dynamo. There are two language options available: IronPython …

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## [Proof of concept: Dynamo for AutoCAD](https://forum.dynamobim.com/t/proof-of-concept-dynamo-for-autocad/114142)

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**Author:** [@Anton\_Huizinga](https://forum.dynamobim.com/u/Anton_Huizinga)\
**Replies:** 3\
**Last updated:** [March 18, 2026, 10:11pm UTC](https://forum.dynamobim.com/t/proof-of-concept-dynamo-for-autocad/114142 "2026-03-18T22:11:30Z")

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The following is a blog I published on my site but it is interesting enough to show the translation here. It would have been fantastic if Autodesk had made Dynamo available for AutoCAD itself, but luckily, there are oth…

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## [IronPython2 to CPython3 upgrade failing](https://forum.dynamobim.com/t/ironpython2-to-cpython3-upgrade-failing/114084)

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**Author:** [@Paul\_Wintour](https://forum.dynamobim.com/u/Paul_Wintour)\
**Replies:** 3\
**Last updated:** [March 4, 2026, 7:36am UTC](https://forum.dynamobim.com/t/ironpython2-to-cpython3-upgrade-failing/114084 "2026-03-04T07:36:47Z")

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Hi I am trying to upgrade an IronPython2 node to CPython3. The code is working on IronPython2, but if I use the migration assistant, it says there are no changes needed, but it is failing in CPython3. The error I ge…

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## [Spliting curves for creating beams rebars](https://forum.dynamobim.com/t/spliting-curves-for-creating-beams-rebars/113959)

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**Author:** [@REDO10](https://forum.dynamobim.com/u/REDO10)\
**Replies:** 7\
**Last updated:** [February 27, 2026, 2:33pm UTC](https://forum.dynamobim.com/t/spliting-curves-for-creating-beams-rebars/113959 "2026-02-27T14:33:01Z")

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Hi all, @c.poupin In the code below, I am trying to create rebars for intersecting beams by splitting and overlapping each beam’s curve so that the Bar Length parameter of every rebar does not exceed 12.00 m, including …

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## [Fabrication part connector value](https://forum.dynamobim.com/t/fabrication-part-connector-value/59619)

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**Author:** [@shibujoseukken](https://forum.dynamobim.com/u/shibujoseukken)\
**Replies:** 7\
**Last updated:** [February 27, 2026, 5:42am UTC](https://forum.dynamobim.com/t/fabrication-part-connector-value/59619 "2026-02-27T05:42:32Z")

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Is there any way to access the connector value of a MEP fabrication duct through API ?

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## [Highlight and Extract Word Text](https://forum.dynamobim.com/t/highlight-and-extract-word-text/85928)

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**Author:** [@Christhian](https://forum.dynamobim.com/u/Christhian)\
**Replies:** 4\
**Last updated:** [February 22, 2026, 8:48pm UTC](https://forum.dynamobim.com/t/highlight-and-extract-word-text/85928 "2026-02-22T20:48:26Z")

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Hello, I have a question if it is possible that what is highlighted in word can later be exported in a list, this is possible perhaps in pdf files and with some web page, but I would like to know if the same thing can al…

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## [Change all texts to bold in the project families](https://forum.dynamobim.com/t/change-all-texts-to-bold-in-the-project-families/98419)

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**Author:** [@Kira79](https://forum.dynamobim.com/u/Kira79)\
**Replies:** 9\
**Last updated:** [February 5, 2026, 1:51pm UTC](https://forum.dynamobim.com/t/change-all-texts-to-bold-in-the-project-families/98419 "2026-02-05T13:51:19Z")

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Translated by moderator. Original post below the line. First of all, thank you for your time. My problem is the following: for client reasons they asked us to change the text fonts in all families to Simplex and Bold …

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## [Solving a cubic polynomial using numpy](https://forum.dynamobim.com/t/solving-a-cubic-polynomial-using-numpy/113529)

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**Author:** [@REDO10](https://forum.dynamobim.com/u/REDO10)\
**Replies:** 5\
**Last updated:** [January 4, 2026, 3:10pm UTC](https://forum.dynamobim.com/t/solving-a-cubic-polynomial-using-numpy/113529 "2026-01-04T15:10:42Z")

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Hi all, @c.poupin I intend to design the foundation of an elevated water tank, consisting of a raft with the shape shown in the image below. To do so, I need to determine the raft diameter Dr by solving the following in…

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## [Dynamo Keyboard Shortcut for the Python Script node](https://forum.dynamobim.com/t/dynamo-keyboard-shortcut-for-the-python-script-node/113518)

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**Author:** [@dfoth](https://forum.dynamobim.com/u/dfoth)\
**Replies:** 4\
**Last updated:** [December 24, 2025, 10:25am UTC](https://forum.dynamobim.com/t/dynamo-keyboard-shortcut-for-the-python-script-node/113518 "2025-12-24T10:25:34Z")

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The topic title says it all. It would be nice if we had a shortcut for creating a python script node. Rather than right-click, search, type py, click Python Script. Maybe a keyboard shortcut would be too hard because you…

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## [How to get alignment style names in dynamo](https://forum.dynamobim.com/t/how-to-get-alignment-style-names-in-dynamo/113478)

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**Author:** [@nabilhoren](https://forum.dynamobim.com/u/nabilhoren)\
**Replies:** 6\
**Last updated:** [December 19, 2025, 8:30am UTC](https://forum.dynamobim.com/t/how-to-get-alignment-style-names-in-dynamo/113478 "2025-12-19T08:30:45Z")

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Hello everyone, I hope you’re doing well. I’m trying to retrieve all alignment style names in Dynamo as a list of strings from the current drawing. I wrote the code below, which successfully retrieves all alignment styl…

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