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Topic: Sewing Help? :)  (Read 835 times)
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« on: April 11, 2012 09:14:00 AM »

Hi There!

I am a product design student and I am in need of some advice. I am doing a product prototype that contains a piece that looks like a bosu ball. Image here: (http://media.tumblr.com/tumblr_loou3fUt9k1qzp1hc.jpg) Does anyone have any idea how I would go about doing this?

I basically just want a half-ball shape, about 20 to 22 inches in diameter. If it has a strong, flat base, that's a plus but it doesn't have to. I have a sewing machine, but I have never sewed anything more complicated than curtains. Smiley Hence my post here.

If anyone could give me any tips, especially related to material ideas and what to stuff it with to get it perfectly round like that, that would be great! Or even if you have any suggestions on how to make this out of non-fabric material.

Thank you!
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« Reply #1 on: April 11, 2012 08:37:28 PM »

You'd want to follow a pieced pattern, similar to that of cutting an orange into segments...  In this case, I'd go with the following website, which will give you a printable pattern to use...


If you cut the pattern in half, short-side to short-side, you'll get what looks like a domed triangle - and that's what you'll want to use for your half sphere.

Good luck, and definitely post piccies once you're done!


Come and visit my Etsy shop for your custom kitchen needs! http://www.etsy.com/shop/merripan
« Reply #2 on: April 19, 2012 01:11:13 PM »

Have you thought about polymer clay?
It comes in colors..and you work it to the shape you want...it is sturdy...and flat bottomed....it is what you make it to be!

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