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Old 09-07-2024, 06:54   #31
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Re: 3D printing for boats

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Originally Posted by Nightcrawler View Post
Frankly, because the plastic had just a bit of give in it, they weren't so likely to snap due to brittle material, like the originals, when installing. They were wonderful.
Parts produced by injection molding have several more contrains than 3d printing. Extraction from the mold doesnt allow undersquares, thickness of plastic shall be as uniform as possibile, quantity of plastic is minimized to reduce the piece price...
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Old 10-07-2024, 11:51   #32
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Re: 3D printing for boats

Fusion 360 still offers a free license for hobbyists. It does require authentication over the internet and your projects are stored online. I learned everything I know about using it from watching YouTube videos from Kevin Kennedy aka Product Design Online.
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Old 10-07-2024, 12:22   #33
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Re: 3D printing for boats

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Originally Posted by vpbarkley View Post
...For marine fittings you need a filament with UV stability, not PLA. PLA is relatively strong but also brittle.
I can confirm that after few hours under the sun I got one PLA part deformed. Only a small portion, probably the thickness was not enough and design generally weak. All the other PLA parts are doing good. By the way, PLA is risky, better to use ABS or the other materials suggested for outfitting.

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Originally Posted by vpbarkley View Post
Unfortunately, 3D printed items are not fully dense, so they are generally not immune to water infiltration.
The internal mesh give more stiffness and strenght
compared to industrial injection molded components...tipically the internal strutture is closed and therefore water tight. You can also increase the wall thickness is if water tightness is important. Some experts suggest to design internal structure instead to trust in the slicer.
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Old 10-07-2024, 12:28   #34
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Wink Re: 3D printing for boats

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Originally Posted by Sysunday View Post
I impregnate the PA under vacuum with two component silica nanocoating.
I have many navigation lights, a super lightweight 2000gr wind vane and many housings for low friction sheave blocks:
How do you coat the printed part? Is It similar to carbon fiber lamination?
This is very interesting for the strenght and aesthetic finishing!
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Old 12-09-2024, 03:14   #35
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Re: 3D printing for boats

Hi there,
I'm uploading models on Printables.
First one is the boat ladder renovation; models are not parametric therefore it's difficult to change dimensions. But if your ladder has the same steel structure than modification wouldn't be difficult on source models.

renovation, 3d models" target="_blank">https://www.printables.com/it/model/1002773-boat-ladder-renovation

Yesterday I uploaded numbers and letters for the trailer plate, in Italy we are required to repeat the vehicle plate on the back of the trailer

https://www.printables.com/it/model/1004202-alphanumeric-characters-for-car-plate-lettere-e-nu
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Old 01-11-2024, 05:39   #36
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Re: 3D printing for boats

MIT team takes a major step toward fully 3D-printed active electronics
By fabricating semiconductor-free logic gates, which can be used to perform computation, researchers hope to streamline the manufacture of electronics.
More about ➥ https://news.mit.edu/2024/mit-team-t...scover_science

“Semiconductor-free, monolithically 3D-printed logic gates and resettable fuses” ~ by Jorge Cañada et al
https://www.tandfonline.com/doi/full...9.2024.2404157

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