How do I convert a .stl file to a solid object to be edited in autocad?

[Pahasave]

I am trying to modify an object but the file type is in .stl, while I have been able to convert to dxf and open it in autocad, I am unable to edit the file. I understand it's because the stl file basically "codes" for a hollow object and I need to make it into a solid object in order to work on it.

is there anyway to "convert" by means of autocad or other software?

[Pahasave]

I figured since I had better "luck" with watertightness by using stl files from another source, I used yet another source and managed to create a watertight solid using surfsculpt.

Not sure wheether I am heading in the right direction though.

Now the next step (headache) is to start "cutting" it and building the necessary structures

[Pahasave]

@Alfred.NESWADBA

did I upset u or anything?

[Alfred.NESWADBA]

Hi,

>> did I upset u or anything?

You  wrote:

>> [...] and managed to create a watertight solid using surfsculpt.

So for me it seems to be solved (the original question)

- alfred -

PS: even if I don't answer, there are thousands of other users here and I also have to do my own jobs giving me currently not that much time for forum.

[Pahasave]

ok..

now I will have to make it hollow and do test fits (no idea how )

[Alfred.NESWADBA]

Hi,

new questions should be asked in new threads (for better forum search result quality).

>> now I will have to make it hollow

Command _SOLIDEDIT ==> _BODY ==> _SHELL (>>>details<<<)

- alfred -

[Anonymous]

Just to clarify, sorry for the delay in this post.

Which version of AutoCAD do you use? If using AutoCAD Mechanical 2016 then the method for converting from an STL to 3D Model is:-

Convert the STL to DXF (many online or offline converters).

Open the dxf in AutoCAD.

Type 'Convtosurface'.

Select all the objects.

Once complete. type 'Union' and again select all the 3d faces.

Once Union has finished, select all other objects and delete.

type 'Convtosolid', select the union object.

Once finished, all done. now you have a 3d model of the previous STL object.