Autocad convert 3d polyline to solid. Select the objects you want to convert and press Enter.
Autocad convert 3d polyline to solid Autodesk Community, Autodesk Forums, Autodesk Forum May 10, 2025 · Solution: To create a solid using the REVOLVE command, the polyline has to be joined and closed. Dec 9, 2021 · I need to create a solid from the polylines. The new polyline will take on the elevation of the start point of the 3D polyline. . Would you like to provide more information or a file? Use the Convert 2D To 3D Polylines command to convert 2D to 3D polylines. Can AutoCAD LT export 2D views from 3D drawings? Yes, AutoCAD LT allows you to export 2D views from 3D drawings, provided you follow the steps for converting the 3D entities into 2D polylines. Assuming that the lines actually define a 3d shape (they are all 2d, but in different planes): For each face, type convtosurface and then select all lines that define said surface. Dec 28, 2013 · Since 2D solids aren’t very friendly after you place them and are hard to edit, you may need find this tool helpful for converting the solid into a polyline that represents the outline of the… Jan 11, 2013 · Here are some 2D solid objects inside an AutoCAD drawing, created using the SOLID command: And here are the results of running the SB command and selecting them (with the currently layer's lineweight and colour set to values that make the boundaries visible): I'm still not clear what the part of the comment regarding exporting to . Probably I'm taming the horse from the tail. The shape you extrude will dictate the resulting solid’s form. Find Use the PEDIT command to change the width of an individual segment or the entire polyline. Using the command surfsculpt and choosing all of the above surfaces will result in a 3D solid, if they completely enclose an area. Thanks. Jun 9, 2021 · Make a closed 2D polyline shape of the cross section of the path then use sweep, referencing the 3D spline path, to make it a solid. For example, you cannot convert a 3D solid box that has been exploded into six regions. Set the parameters and click OK to simplify the polygon/polyline. It worked well with most 2d and 3d drawings, but now we've encountered a case, where certain walls in a drawing just didn't show up. 17. Best answer for this question, how do I change a polyline to a 3D solid in AutoCAD? To Convert 2D Polylines to 3D Click Modify tab Design panel Convert 2D To 3D Polylines Find. ;; Select a 2D solid and this will delete the solid and replace its outline with a polyline FAQ Section 1. You need to use a closed polyline, circle etc. Select the face that you want to convert. Take advantage of the detailed modeling capabilities of 3D mesh by converting objects such as 3D solids and surfaces to mesh. shp is about (whether to AutoCAD's SHP format or to ESRI's The “CONVTOSOLID” command allows you to convert a 3D mesh or 3D polygon/polyface mesh into a 3D solid. Various types of objects and surfaces can be transformed into solids to enhance the overall versatility and detail of designs. Is there a simpler way than tracing it with the polyline command? Hello,i would like to know how to convert hatch object to solid object. Jul 24, 2025 · Issue: How to convert a polyface mesh to a 3D solid in AutoCAD Products since these objects cannot be edited by core 3D commands? Which software should be used to import a 3D mesh and then integrate it with a model? This article provides an in-depth exploration of how to convert 3D polylines to 2D polylines in AutoCAD, an essential skill for designers, architects, and Mar 13, 2023 · I am tryiing to create a roof section for a model railroad car. How do I convert lines to surface in AutoCAD? Click Modeling tab > Surface panel > Convert to Surface. Oct 26, 2016 · There's a free software called CADTools, i use it for some tasks (of which some are still not getting implemented to autocad). Nov 10, 2020 · If you want to extrude a 2d shape into a 3d solid, you must convert the individual objects that form the boundary into a single closed polyline or spline. autodesk. Then, use the command CONVTOSURF Oct 24, 2022 · After using the Autocad command "explode" on a figure, it became of type "solid" but it is always not supported by the cutter app. This conversion is often required in industries like architecture, civil engineering, and manufacturing, where accurate 2D representations are essential for production or documentation. How do you convert 3D to solid? Enter THICKEN on the command line. Jan 20, 2006 · Is there a way of converting 3d polylines to polylines with an elevation? I have a dwg of contour information, the contours are 3d polylines, because they are contours the z value is constant all along the line, so there no question what the elevation of the polyline would need to be. Amazingly, how convert 3D polyline to 2D polyline in AutoCAD LT? If you want to just cut-off the Z-coordinates of a 3D polyline (make it appear 2D), use the FLATTEN command ( Express Tools ) to zero all Z-coordinates. Note: You can convert a spline-fit polyline into a B-spline with the Spline command, object option. You can convert 2D solids, meshes, regions, planar 3D faces, and polylines, lines, and arcs with thickness. Browse through our site and you Command Description The "Convert to 3D Polyline" converts selected entities to 3D polyline. This guide outlines various methods to achieve this transformation effectively. As you convert objects to surfaces, you can specify whether the resulting object is smooth or faceted. When a drawing from an earlier release is opened in AutoCAD Release 14 or a In this video you will learn how to use Presspull in Autodesk AutoCAD to create 3D solid objects. ( A great command for creating 3d road cha How to convert polyface mesh to solid in autocad? , this article will give you all the information you need for this question. i need someone to please tell me how to do this. 3. Select the polyline (s) to convert. How convert 3D polyline to 2D polyline in Autocad LT? If you want to just cut-off the Z-coordinates of a 3D polyline (make it appear 2D), use the FLATTEN command ( Express Tools ) to zero all Z-coordinates. Any suggestions? Attached is the drawing. Or convert closed polyline in Polylines with fixed width, closed polylines and circles can be converted (if the have non-zero thickness) to extruded 3D solids. Use the How do I Unjoin a line in AutoCAD? Click Modify tab Geometry panel Join drop-down (Unjoin Geometry). Use this method to convert 3D faces (3DFACE) and legacy polygonal and polyface meshes (from Release 2009 and earlier). In the Convert Polyline dialog, select 3D Solid Hole option and click OK. What is an MPolygon in AutoCAD? MPolygon features Oct 8, 2023 · You want to convert a 3D face to a 3D solid Solution To convert a 3D face to a 3D solid Enter CONVTOSURFACE on the command line. Apr 5, 2021 · Hi @Anonymous On the Modify ribbon tab > expand the Design panel > you should see the Convert 2D to 3D Polyline command. Use this procedure to convert any of the following objects to walls: Lines Arcs Circles Polylines For example, you can create line diagrams or sketches of walls using lines, arcs, circles, and polylines to create the building exterior and rooms, and convert these objects to walls. Oct 23, 2023 · I'm self taught in Autocad (using AutoCAD 2016) and working from a file originally created in another program (Vectorworks) using 3D modelling. I want to show the pillars as a solid objects, so I am trying to extrude t Autodesk Community, Autodesk Forums, Autodesk Forum Use this procedure to convert objects such as walls, doors, and mass elements into three-dimensional (3D) solid AutoCAD objects. You can also convert existing 2D objects such as lines, 2D polylines, arcs, and circles to 3D solids with a default height, width, and justification. Nov 2, 2010 · Hi, I'm new to this forum but have been following it for awhile and think it is an invaluable exchange network. dyn (27. Does anyone know of a process or lisp routine that can do this? Jan 12, 2015 · Hi all, I created a 3D object (dimensions are measured from an existing object) using polylines, and tried to convert it to solid. Anyone have any suggestions on what might be going on here and how to retain straight, closed, 2D polylines? Mar 29, 2023 · To create a hole in the 3D/Polyline solid Select CAD> Circles> Circle from the menu, and using the CAD line intersections within the 3D/Polyline Solid, click and drag to draw a circle. Select the geometry to unjoin. Can I convert complex meshes with overlapping faces into solids? Select the Conversion Option: Click on Convert 2D To 3D Polylines. dwg (563. To convert selected objects to 3D Polyline Click Kobi Toolkit for AutoCAD tab > Modify Oct 9, 2006 · hi there, i need to create a 3d polyline from either a 2d line or 2d points with elevation text. Then the holes need to be subtracted from the larger solid. stl files out of them, which means I need to convert these hatches to solids. Dec 28, 2019 · Hi, In my C# plugin,I'm using the following code to convert entities into polylines. Enter THICKEN on the command line. ) Will just create a surface. Select the 'Modify' drop down and then select 'Edit Polyline' icon or on the command line type PEDIT and hit 'Enter'. All I have to work with are the oddly shaped hatches. Click Mesh Modeling Feb 15, 2018 · I think that the command CONVERT is not appropriate, as it only converts polylines that are 2D to start with. You can use Boolean union or subtract to see the corridor in your terrain. You can edit the wall properties after creating the wall. How do you join a 3D polyline in AutoCAD? Pulldown Menu Location: Edit > 3D Polyline Utilities. Is there a way to achieve this? Here is an Aug 24, 2016 · No bounding box, no lines, nothing. You can also convert 3D objects, such as mass elements Nov 6, 2017 · Have you tried using the CONVTOSOLID for converting elements to 3D Solids? Plase, read this AKN article on How to convert lines to 3D Solids and Creating a 3D solid which will create 3D solids. Do you know a rapid solution to convert, inside Autocad, the simple "block reference" or "solid" figures in the DXF file (I attached it to this post) to polylines or lines or geometric primitives so that the file May 27, 2024 · Hello, we have a pipe model containing 3D Solids - and are looking to return the center line for each Solid (preferably while translating the layer from the Solids to the Polylines). Enter a thickness value for the selected surface on the command line. , tried it in both Autocad 3D and Inventor), boundary Cable Tray Add-ons for Autodesk AutoCad Plant3D:https://apps. To check if your polyline is closed, check the 'Closed' property under 'Misc' in the Object Properties Palette. How to convert solid hatch to solid object? I have some solid hatches WITHOUT BOUNDARY LINES that can be converted to polylines (don't ask, I don't know). What is the difference between a 2D and a 3D polyline in AutoCAD? 19. Jun 5, 2023 · I have to 3D polylines from which I would like to create a 3d solid. Aug 31, 2016 · CAD Forum - How to convert a 2D polyline to 3D or vice-versa?The conversion tools for changing 2D polylines to 3D polylines and for changing 3D polylines to 2D polylines can be found in AutoCAD Civil 3D in the ribbon Modify > Project. com/en/Publisher/PublisherHomepage?ID=F6J2PG4BCXRKFor more details:http://www. dwg). 4 KB) Dec 14, 2016 · Challenged working with mesh objects? Check out this app that helps easily and quickly convert mesh and polyface mesh objects to 3D solids in AutoCAD. Jul 24, 2025 · To convert lines 2D lines into to 3D Solids in AutoCAD Do the following to attempt to fix the issue: Make the 2D lines, polylines, splines, and arcs into a single polyline Click on the 'Home' tab and go to the 'Modify' panel. I have been dealing with an issue converting 3D faces that have been exported from Revit to . Mar 1, 2023 · I would like to ask for an advice. I need to convert all 3D Solid objects into polylines. A polysolid can have curved segments, but the profile is always rectangular by default. Amazingly, how do you change a rectangle to a solid in AutoCAD? Share CONVTOSURFACE (Command) Converts objects to 3D surfaces. i can't offset Amazingly, how convert 3D polyline to 2D polyline in AutoCAD LT? If you want to just cut-off the Z-coordinates of a 3D polyline (make it appear 2D), use the FLATTEN command ( Express Tools ) to zero all Z-coordinates. How do I break a polyline into segments in AutoCAD? 22. The process is similar to creating polyline including both straight and curved segments, except that you can specify a default height, width, and justification for the resulting 3D solid. AutoCAD 3D - Convert to Surface - CADclip Learn REVIT Fast 18. Just a “loose” Solid. Can I convert a polyline to a 3D object in AutoCAD? 18. 8 KB) SOLIDToAutoCAD. If you need - for some modeling operation - to change the type of the drawing object 2D LWPOLYLINE to 3D POLYLINE, you can use the simple utility CADstudio 2D3DPoly. What types of objects can I extrude in AutoCAD? You can extrude various 2D shapes, including lines, circles, polylines, and even regions, to create 3D solids or surfaces. Is there a way to preserve the perfect arcs from the 3D solid when turning it into a polyline? this video shows how to use AutoCAD to slice a 3D-Solid by a 3D-Polyine. Open objects create surfaces. I know very little 3D in Autocad and attempting to convert everything I've been given from 3D solids down into 2D (3D also just will not work for the things Converts 3D meshes and polylines and circles with thickness to 3D solids. Cannot include planar surfaces or regions with contiguous edges. I just keep Summary You can create walls with straight and curved segments of constant height and width. once the polyline is converted, select it and modify each vertex elevation from the AutoCAD Properties palette! With that said, it is recommended to use Civil 3D Feature Lines! they are much easier to work with and user friendly when setting the vertex elevations along, also Converting Spline to Polyline To convert a Spline into a polyline type PE on the command line press enter then select the spline from drawing area and press enter again. But I rather work with Polyline. Note: Many of the options for modifying polylines are also on the Properties Aug 17, 2024 · I'm trying to draw a tapered concrete barrier, starting with a polyline rectangle that is then offset, elevated and connected with four corners. We would like to show you a description here but the site won’t allow us. Select the surface. com site is to allow you to have all the answers including the question of Question: How to convert solid to polyline in autocad?, and this, thanks to the AutoCAD tutorials offered free. Select the CAD circle and then click the Convert Polyline edit button. From there - commands->convert->lines to 3d polylines 🙂 ta-daaaaa Cheers To convert a surface to a solid, use the EXTRUDE command. I tried to make a solid using the loft command using different methods (side to side, top to bottom, front to back, reversing directions, etc. Converting a polyface mesh to a 3D solid in AutoCAD can enhance your design workflow and allow for more complex modeling operations. Step-by-Step Process to Convert a Block to a Polyline in AutoCAD 17. I know very little 3D in Autocad and attempting to convert everything I've been given from 3D solids down into 2D (3D also just will not work for the things I need regardless of my skills). Prerequisite: Plot the 3DPoly lines to use for selection. You can also convert 2D objects such as a lines, polylines, arcs, and circles to 3D solids with this command. If you use the command Flatten, then the 3D polyline will have all vertices at zero elevation, but it is still a 3D polyline, which can only have a Continuous linetype. You can also convert 2D objects such as regions and closed polylines. Note that a 3D solid takes a lot of memory space, so, it is recommended to work with Feb 18, 2015 · hi dear all i have one spillway that consistent of spline and oval, i want it convert to volume but unfortunately this shape converted to spline with command join or boundary and when i that extruded, that converted to surface, i dont change spline to other Thing like : arc, , and only should Jan 11, 2019 · Your best bet and easiest way to make the object into a 3D solid at this point is to: 1) Use the "Join" command to join sections of lines together into closed polylines, Amazingly, how convert 3D polyline to 2D polyline in AutoCAD LT? If you want to just cut-off the Z-coordinates of a 3D polyline (make it appear 2D), use the FLATTEN command ( Express Tools ) to zero all Z-coordinates. com site is to allow you to have all the answers including the question of Frequent answer: How to convert spline to polyline in solidworks?, and this, thanks to the Solidworks tutorials offered free. Best answer for this question, how do you convert 3d lines to 2D? Click Modify tab Design panel Convert 3D To 2D Polylines Find. Specify one of the following conversion options: Smooth, optimized. You might also need to run the UNION command to join all the solids together to create one object. In this example, use the command 3DPOLY to draw a closed polyline. Can I change the color of a polyline in AutoCAD? 21. I have the shape created in a 3D series of polylines, but I can't figure out how to make it a solid. If the surfaces enclose a watertight area, you can convert to a solid with the SURFSCULPT command. Converting a block into a polyline can be crucial for certain design tasks, allowing for greater flexibility and editability of the drawing. When you convert a mesh, the smoothness and number of faces of the resulting surface are controlled by the SMOOTHMESHCONVERT system variable. In case of 3D polylines, make sure they are connected and closed with Z value to be 0. People ask also, how do you flatten a 3D polyline in AutoCAD? To flatten a drawing automatically in AutoCAD Use the FLATTEN command to change the Z values of all lines, arcs, and polylines to 0. I tried to explode them into regions then explode regions into lines and arcs then convert them into polylines but I failed in joining each region entities in o How do I convert a 2D polyline to a 3D polyline in AutoCAD 2025? Select your 2D polyline, navigate to the Modify tab, choose the Convert 2D to 3D Polylines option, and follow the prompts to adjust the Z-values. Only closed object will form 3d solids. Lightweight polylines display faster and consume less disk space and RAM than "legacy" 2D polylines. Can people recommend the best way to tackle this? Drawing attached. This tutorial gives solution to AutoCAD Extrude Problem of surface creation instead of solid. Select the polygon and/or polyline to simplify. Convtosolid says "Cannot convert an open curve. " TIA Jul 6, 2023 · Hi Is this possible to convert the 3d solid to 3d polyline for the attched ? Project1 - 3D View - {3D}. Referring to the attached, the solid should have a hole in the middle (like a donut) and then tapers out to the edge. Feb 1, 2013 · I need to convert my surface boundary to a polyline so I can use it to clip another surface. Enter a thickness value for the selected Apr 27, 2017 · You need to convert 3d polyline to 2d polyline. com site contains all the articles that will help you progress in the study of this wonderful software. As we lack the data used to construct the solids, I was hoping Dynamo could help out. Can I convert a polyline to a region in AutoCAD? 23. dwg file. to create a solid, any individual lines or broken lines (arcs, lines etc. Keyboard Command: join3d. In this guide, we will explore various methods to achieve this, discuss You can also convert a polyline to a spline-fit or curve-fit polyline. The Mar 14, 2015 · This video shows how to convert Polyface-Meshes to 3D-Solid using AutoCAD 2015 Converting 3D polylines into 2D polylines is a common task in AutoCAD, especially when working on 2D drawings derived from 3D models. Thank you! Understanding Solid to Line Conversion in AutoCAD Converting solid objects into line representations in AutoCAD can streamline your design process, especially when preparing for further modifications or detailing. then continue drawing until i am finished. The following prompts are displayed. Use mpedit to convert the shapes to polylines and to join them together. Is there a simpler way than tracing it with the polyline command? May 10, 2015 · Is there a way to convert 2D Polyline to Plolyline? PELLIPSE is set to "1" creating a 2D polyline representation of an ellipse. Important: the 3D-Polyline (or better the resulting surface after the first of the s Converting entities into solid objects within AutoCAD is a fundamental skill for 3D modeling. Using 3D Polylines: For converting polylines into 3D solids, use the tools available in the ‘Home’ tab under ‘Modeling’, selecting either ‘Extrude’ or ‘Presspull’ according to your needs. How do I measure the length of a polyline in AutoCAD? 20. As of AutoCAD Release 14 and later, 3D polylines are always created as "legacy" polyline entities, and 2D polylines are created as lightweight polylines unless they are curved or fitted with the AutoCAD PEDIT command. Click Modify tab Design panel Convert 3D To 2D Polylines Find. Press Enter. If the problem persists, using SURFSCULPT command to convert surface to 3D solid. The objective of the CAD-Elearning. Does anyone know a way to convert these into 3d-Solids or Polyface-Meshes? 3DConvert and explode won't work on them. I've used the FLATTEN command but I'm left with thousands of polylines. 2K subscribers Subscribe Learn how to convert lines to 3D polylines in AutoCAD effectively and efficiently in this informative video tutorial. To create a solid object from lines in AutoCAD, you can use several methods effectively. Quick Answer, how do you convert a 3d object to a solid in AutoCAD? Click Mesh tab Convert Mesh panel Convert Options drop-down. When prompted, choose whether or not to erase the defining surface The objective of the CAD-Elearning. 2. Hello,i would like to know how to convert hatch object to solid object. I'm stuck on how to convert my model to a 3d solid, i have it as a mesh model in rhino, and lines and 3d polylines in autocad. This allows you to create a three-dimensional representation from your base 2D design. Confirm Selection: Select the desired polyline (s) and press Enter to complete the conversion. I've tried following multiple tutorials and online forum Jan 2, 2019 · In trying to convert 3D polylines (DXF exported from Helioscope, which may or may not be relevant) to 2D polylines using the FLATTEN command, my straight lines are turning into crooked lines. Frequently Asked Questions 1. dwg of a polyline that failed. Expand the Project panel with the arrow next to its name and from the expanded menu choose the function "Convert 2D to 3D Polylines" (CONVERTPLINES) or "Convert Mar 30, 2023 · Here is a lisp routine that will convert a solid to a polyline if 2d. The 2D3DPOLY command changes the selected lightweight polyline to the 3D version of polyline without changing its geometry and appearance. Well, actually it wold be ha Assuming that the lines actually define a 3d shape (they are all 2d, but in different planes): For each face, type convtosurface and then select all lines that define said surface. Select the objects you want to convert and press Enter. Below is a comprehensive guide detailing various approaches, ensuring you capture the necessary steps for transforming 2D line work into 3D solid models. I need to convert these to only the outline, (so they print as something other than a big block o’ ink) and was wondering if there is a way to convert these solids to a polyline. Nov 1, 2015 · You just need to delete the vertical 3D Polylines so that only the the base and the top polylines remain. You will also learn to use the Region and Join commands to create shapes that can be extruded into Converting a wireframe model into a solid object in AutoCAD involves a series of steps that allow you to create a more defined and usable 3D solid representation. Our CAD-Elearning. The spline will be converted into a polyline. Cannot convert separate objects unless they enclose a volume without gaps. Oct 12, 2018 · Solved: I'm trying to export my DWG file out as an STL, but apparently first I need to convert my block reference into a 3D solid. Sep 9, 2020 · To convert the surface into a 3D Solid, run the THICKEN command to provide some width. I need to extrude and make . Nov 28, 2020 · Hello, I'm looking for help turning this 3d polyline into a solid. Use this utility if you need to modify the elevations of individual vertices of a 2D polyline. Select Modify > Drafting Aids > Simplify Polys. It will show both the possibilities of sketch not polyline as well as when sketch is polyline still How to draw polylines, 3D polylines, splines, Mlines, arcs, polygons, and revision clouds in AutoCAD. Apr 17, 2007 · Re: Converting 3D polylines to surfaces or solids It's hard to guess how a 3d polyline equates to a set of surfaces. Method 1: Joining and Extruding Closed Polylines Join the Lines: Begin by selecting the lines you want The PSOLWIDTH system variable sets the default width for the 3D solid. The process involves using specific tools and commands to ensure a successful transition from a mesh to a solid object. Converting Solid to Polyline in AutoCAD Transforming a solid object into a polyline in AutoCAD is essential for various design workflows, particularly when dealing with 3D models and requiring 2D representations. Use the CONVTOSOLID command. I want this to be a solid. Best answer for this question, how do I convert multiple lines to a polyline in AutoCAD? Click Home tab Modify panel Edit Polyline Oct 23, 2023 · I'm self taught in Autocad (using AutoCAD 2016) and working from a file originally created in another program (Vectorworks) using 3D modelling. All lines are joined with no gaps, the planes are not perpendicular. Note that these are not solid hatches (in which case I can recreate boundary) but simple 2D solids. The following entities are supported: Line, Polyline, 2D Polyline, Arc, Circle. Mar 21, 2019 · I am trying to create solids from 3D polylines, my question is this, do the z axis elevations have to be at the same elevation? This is for a mine layout design, were the pillars meet the mine roof at different elevations. Is there a way to create 3D effects within AutoCAD LT? Jul 6, 2015 · I have 3D polylines of utilities that contain object data that I want to convert to 2D polylines so they will display linetypes but I need to keep the object data that is assigned to the 3D polylines. All I really want is a boundary polyline. I need to d Learn Autocad tutorial how to use sculpt command to convert 3d surface object into 3d solid object easy and fast, check it out!!!Don't forget guys, if you li How do I convert lines to surface in AutoCAD? Click Modeling tab > Surface panel > Convert to Surface. Then create alignment. I tried the command Loft which gives me a 3D Face between the two polylines, but I am looking to create a solid 3d volume, or rather, what I need is to find out the volume of the space between these two 3d-Polylines. I would like to be able to snap to the end. When a drawing from an earlier release is opened in AutoCAD Release 14 or a Select your polyline and follow the prompts to convert it. How do I do that? Nov 17, 2020 · Need to convert a non-planar 3d polyline to surface. May 11, 2018 · Thank you very much for your reply, we have succesfully created a surface and are now working on shaping it into a solid that fits our model's size. Then run the LOFT command, select the bottom polyline and then the top polyline and this will create a Solid. use command CONVERT3DPOLYS and select the 3d polyline. Indeed AutoCAD is even easier if you have access to the free AutoCAD tutorials and the answers to questions like. The topo I received was not great and consisted of just 2 polylines - the face of the barrier and the top of the barrier. Use the Convert 3D To 2D Polylines command to convert 3D to 2D polylines. Learning AutoCAD may seem more complicated than expected, but with our multiple free AutoCAD tutorialss, learning will be much easier. vertice of a line and be prompted for the elevation of the 3d polyline. 2D polylines are coplanar objects. You have saved us in a time of need with our project! Are there alternative methods to create solids in AutoCAD? Yes, besides extruding a polyline, you can also create solids using commands such as SWEEP or LOFT for more complex shapes, depending on the desired design. i searched online and on utube, but i found only how to draw directly. Arcs from the 3D solid get segmented into a series of straight polylines and the arc is lost. tamashala Is there a way to convert 3D Polylines to polylines? I know the flatten command exists but even though it sets the elevation to 0 the line is still labeled as "3D Polyline" Converting a Solid into a Polyline in AutoCAD To convert a solid into a polyline in AutoCAD, you will need to use a series of commands designed specifically for manipulating geometric objects. Note that I have tried to start with making a solid but the shape is a 3D parabolic curve in the XY plane. Aug 18, 2015 · Hi Guys, I am wanting to create a 3D solid to represent steel barrier on the Highway. Also, how do you change 3D face to surface in AutoCAD? Use the Convert to Surface command (CONVTOSSURFACE) to convert the 3D faces into surfaces. With the POLYSOLID command, you can convert an existing line, 2D polyline, arc, or circle to a solid with a rectangular profile. May 23, 2012 · I have just been converting my 3d polylines in to 3d solids, but CADTOOLS failed with some 3d polylines any ideas??? Attached is the . Does anyone know how to change 3D faces into basic lines or polylines which I basically need to measure with the dimension tool, since they are displayed as 3D faces I can't capture points of A fast way to create 3D solids in the shape of walls is with the POLYSOLID command. In X13 and prior versions, select Polyline Solid instead, then With this article you will have the answer to your Frequent answer: How to convert 3d face to polyline in autocad? question. Have found a few suggestions such as CONVTOSURFACE & EDGESURF but they're not working for me or I'm doing it wrong. Make sure to have a copy of the 3d polyline in the drawing, just in case you later need it. How do you convert a polyline to a 3D polyline? Click Modify tab Design panel Convert 2D To 3D Polylines Find. I have tested a few methods to generate the lines (including a script from a similar thread a year ago) - with no luck. When selected entity is an arc, circle or polyline with arcs, then specified mid-ordinate distance is used to tessellate the arcs. Are there any limitations with 3D polylines? Jun 25, 2014 · Since 2D solids aren’t very friendly after you place them and are hard to edit, you may need find this tool helpful for converting the solid into a polyline that represents the outline of the solid. Barrier Topo Feb 8, 2025 · I'm trying to convert a 3D object to 2D. The PSOLHEIGHT system variable sets the default height. Nov 1, 2015 · hi, I wish to know how to extrude polylnes to 3D solids in autocad? I am new in cad, and i have around 100 shapes with height but in polylines, so i have to extrude. They turned out to be solids (like in the attached file strange solid. region + extrude (press pull) doesn't work. buhbeakcrzwrmhzexmzpmewoxfeqramjwvrlegxshfzdefqfuzocnbbamahanojewdubrzdiwwswmqgawawbcyoup