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Propellor Vase

by jameswood, published

Propellor Vase by jameswood May 7, 2013

Description

A swirly vase that has been described as "beautiful" by all and sundry.

Recent Comments

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Hey man, try printing with no top layers. It's the awesomest way to print vases and other open-top containers (but remember to turn them on again for your next print...). I also usually use only one outer wall. They're surprisingly strong!

It's only ridiculous if you don't understand the idea behind it. Feel free to make a derivative and share, I'm glad you like the shape.

When you shell the model out to 3mm, your slicer will need generate two or more "outer" walls (the inside and the outside of the vase itself, multiplied by the number of walls you specify), with, probably, infill between them. It is very difficult, if not impossible, to create a model one wall thick, and have it slice reliably with no infill artefacts.

Using the model as designed allows you to simply specify the number of walls needed. The slicer will generate no infill between them at all. For more advanced users (using, perhaps, more advanced slicers), this presents the opportunity to print the model as one continuous spiral of plastic (aside from the base), resulting in a far smoother print — which prints far more quickly than a normal layered, infilled, start-stop print.

I hope that helps you to understand the reasons behind this approach — and to see that it's not ridiculous at all, but rather, quite useful.

It's a little ridiculous that you have to specify shells and top layers in the printer software. I'm going to parse the file out and edit it so this isn't an issue. I'll shell it out to 3mm. It's a very aesthetically pleasing shape though.

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Instructions

To make a vase, print with several bottom layers, two walls, and no top layers.

Blender seemed to have trouble with the STL export of this. As a result, you'll need to scale it up a fair bit in your slicing program. I used Slic3r and from memory it needed 1000% scaling. It printed fine.

Comments

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metalfishead on Mar 10, 2014 said:

It's a little ridiculous that you have to specify shells and top layers in the printer software. I'm going to parse the file out and edit it so this isn't an issue. I'll shell it out to 3mm. It's a very aesthetically pleasing shape though.

jameswood on Mar 13, 2014 said:

It's only ridiculous if you don't understand the idea behind it. Feel free to make a derivative and share, I'm glad you like the shape.

When you shell the model out to 3mm, your slicer will need generate two or more "outer" walls (the inside and the outside of the vase itself, multiplied by the number of walls you specify), with, probably, infill between them. It is very difficult, if not impossible, to create a model one wall thick, and have it slice reliably with no infill artefacts.

Using the model as designed allows you to simply specify the number of walls needed. The slicer will generate no infill between them at all. For more advanced users (using, perhaps, more advanced slicers), this presents the opportunity to print the model as one continuous spiral of plastic (aside from the base), resulting in a far smoother print — which prints far more quickly than a normal layered, infilled, start-stop print.

I hope that helps you to understand the reasons behind this approach — and to see that it's not ridiculous at all, but rather, quite useful.

sherpa_chris on Mar 10, 2014 said:

I scaled this thing to 1000% and it ended up 130 mm high. Don't forget to set infill at 0 otherwise you will get a solid object. I used 3 outside layers and the thing printed perfectly.Top layers must be 0 otherwise you an enclosed object.

Steve930 on Jan 21, 2014 said:

As far as scaling, I used Netfabb Basic to scale mine, and made it 5" (127 mm) tall--it looks good to me at that height, but really it seems to me (I'm new at this) that you can scale it however you want, within the limits of your printer. I think it's an attractive design, thanks to the creator for posting it.

Corona688 on Nov 30, 2013 said:

How large is this vase supposed to be? When I import it into makerware it is teensy, but when I tell it to use imperial sizes instead it's bigger than the platform.

Corona688 on Dec 9, 2013 said:

Prints decently for me at about 9cm tall, 3 shells. Stop it at 95%, that's when it starts trying to add the top.

Matt on Jun 15, 2013 said:

The bottom and top of this vase are sealed =[

jameswood on Jun 16, 2013 said:

Yep! You need to print it hollow, with no top layers (mentioned in the instructions).

Setting the number of perimeters allows you to control the width of the sides. If I made the model hollow, the slicing process would probably end up with messy sides. This way, it's clean perimeters all the way up.

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