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Beginner: help with modelling 3d curved solids


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Dear community,

I'm a relatively new acad user, somewhat managing myself well with 2d drawing, and venturing into 3d drawing and modelling. I've struggled with some curved parts for the hull of a vehicle I'm designing, especially bringing it to be a solid object.

 

I've been able to achieve the surfaces of the body I was looking forward to compose, however, I'm having what seems to be a very common problem, no watertight envelope. I've read about it and seems that Inventor is capable of stitching these minimal holes in the envelope. I acquired the program but really don't know how to use it. Could someone help me sealing this up to make a solid, whether it's inventor or autocad?

 

My filesize is too big (more than 1mb), so cannot attach directly, here is download link instead:

 

https://www.dropbox.com/s/ouzd1tzt3jll933/hull%20quarter.dwg?dl=0

 

Thannks! :)

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Is this some sort of watercraft you are designing? If it is a vehicle and not a boat or jetski wouldn't creating the body using surfaces be a better way to go?

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I created those through lofting and patching, thought those resulted in surfaces? I'd rather have a solid as this part needs further editing through subtractions and intersections... Sculpting is not working however, and the upper patch doesn't seem to close up completely even when I input the proper surface edges... you can actually see some tiny holes which impediment the sculpt. Thanks!

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I've thought about this! although my basic attempts resulted in simplified objects that don't seem quite precise... what procedure would you suggest for working with meshes (I'm clearly not an expert)?

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I'm not an expert either although I played one on TV once (one episode; the show was cancelled). LoL

 

I have no real experience with meshes although I've experimented with them briefly. They are not required in my line of work. I was just spit-balling the problem.

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