Any good freeware?

Discussion in 'Software' started by fallguy, May 17, 2020.

  1. fallguy
    Joined: Dec 2016
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    fallguy Senior Member

    I am trying to get 2d plans into a 3d model we can spin in space and 'build' the boat virtually. Or assemble.

    Any good freeware or fairly affordable stuff out there?

    This is for a drawn boat. Not a new design.

    also, let me know hardware requirements if you know them

    my son is a senior in college in ME and I want him to draw my boat into a 3d rendering

    thanks
     
  2. DCockey
    Joined: Oct 2009
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    Location: Midcoast Maine

    DCockey Senior Member

    Rhino is widely used by yacht and small craft designers. Rhino 6 for Windows and Mac https://www.rhino3d.com/ Not free, but your son as a college student in ME can buy a student license for Rhino for $195. The software is exactly the same as the commercial version, the license is perpetual for the current version, and the your son can continue to use Rhino after he graduates. The only difference between a student and regular license other than the cost is a student license cannot be resold. Rhino is available in both Windows and Mac versions.
    Buy - Rhinoceros https://www.rhino3d.com/sales/north-america/United_States
     
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  3. Matthew777
    Joined: May 2020
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    Location: Thailand

    Matthew777 Junior Member

    Your son can also use Fusion360 for free as a student. You can add a 2D drawing and trace the lines using the program.
     
  4. Gunnar Sommerlund
    Joined: Jun 2017
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    Gunnar Sommerlund Marine Engineer

    Delftship is free, and very capable.

    For a more easy to use I suggest using Fusion 360, also free. It allows to create hull from both hull lines and forming a shape etc.
    Fusion 360 is however not capable of hydrostatic calculations.
     
  5. pafurijaz
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    pafurijaz Senior Member

  6. fallguy
    Joined: Dec 2016
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    fallguy Senior Member

    We are using Fusion 360. Thanks for all the replies. My son is having trouble 'stitching surfaces'. He gets an error 'stitching error, invalid body'.

    I realize I am getting off the topic of the original request. Any advice?
     
  7. Gunnar Sommerlund
    Joined: Jun 2017
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    Location: Denmark

    Gunnar Sommerlund Marine Engineer

    I recommend to use Autodesk forums. They answer quick and are specialists within the software.
     
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  8. baeckmo
    Joined: Jun 2009
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    baeckmo Hydrodynamics

    Hello fallguy, although I am not using the Fusion programme (I work professionally with Cadkey/Keycreator in turbomachine development since mid 1990:ies and still learning.....), the problems with surface defects seem to be more or less universal. They often occur after a mirroring or copying procedure, where the mirror plane is just a tad off center (check reference points/lines before mirroring!). Also after a cutting operation, there may be minor "artefacts" remaining, eventually causing error when trying to attach a new surface to the existing.

    One way to find out is to zoom in to corners or edges where different surfaces meet; pretty tricky sometimes where the fault lies close to the surface tolerance, which could be a minor fraction of a millimetre. Sometimes you can follow a solid surface edge and find something like a "twin edge" in the same position; that's often artefacts that have not been removed by a cutting or deleting operation. It is good practice to clean the design from time to time and save the cleaned version. In some cases, you can use a "surface mating" operation (terminology is not universal though) to mate edges, often resulitng in the creating of a common surface.

    When using the designed file within the original programme, there is often a certain tolerance for stitching errors, but when you translate an "inhouse CAD-format" to a general exchange format (as STEP, IGES, Parasolid and others), there is no such tolerance; any gaps or mismatches will cause file corruption.

    Good luck!
     
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  9. fallguy
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    fallguy Senior Member

    Thanks to all that replied this thread. Here is something fun to watch. Please do not copy the video. I am still talking about this draft with Richard. The link will be changed later. This was created using Fusion 360 and by my son Calvin.

     
    Last edited: Jun 12, 2020

  10. fallguy
    Joined: Dec 2016
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    fallguy Senior Member

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