Extreme Cards and Papercrafting: Orange or Grapefruit Sliceform (Surform)

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Jul 21, 2012

Orange or Grapefruit Sliceform (Surform)

How to make surforms (sliceforms)

Not so sure this is working for me, but I'll throw it out here in the "for what it's worth" category.

I modified the file from the globe sliceform and created an orange.
I think I like it better with the top cut off, so it looks more like a grapefruit.

It still looks weird. Does it need more horizontal pieces? Should everything but the top of the largest horizontal piece be solid orange?

Greater minds than mine have been mulling this over. Check out David Cecil's version in his surform set. (Now I know what this form is called!)
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Marianne said...

I like it a lot, but my only questions is (since I think you are asking for critiques) What if you put the slices in the white areas instead of the middle of the orange wedge? You know the slit that holds the up and down pieces.
I think that would make it more like a real orange. Going a step further, then that piece could be white or the color of the orange wedge separation.
I can't think of what the white area is called in the orange,
but I hope you know what I am trying to say. I like the look a lot. A bowl of these on the table would look great.

Carol said...

Oh, yeah, duh that would make more sense. I'm going to try it with the vertical parts light and a little rim of orange ink on the very outside.


jessa said...

Hi, I've read for a long time, but never commented. But this was my immediate thought.

Show the sections of the fruit on the opposite dimension (the "longitude"), make them solid. Then each "blade" will have one full section of fruit (each piece of paper having two opposite sections) and use fruit flesh colored paper or clear acetate/whatever as the "latitude" spacers to keep the fruit 3d. If the latitude slices were also fully solid, those could also be colored as cross-sections, like they are here.

I'm not sure if I was confusing or if that was exactly what Marianne meant. Also, pith.

Carol said...

Thanks Jessa, ooooo, the acetate idea is intriguing.

There are some construction challenges with making the longitude slices solid, but not insurmountable ones.

I may combine the two ideas...hm....yeah.


David Cecil said...

You could use four full circles as wedges as in the "Surfaces" book of John Sharp. I have some examples at www.flickr.com/photos/dr2c in the surforms set.

Carol said...

Hi David! I've stalked you for some time :)

Surforms? So that's what these are!

I have to dig up Surfaces and look at it again. I'm sure I had it out from the library several years ago.

David Cecil said...

Carol, my version of a surform for a globe using your templates is posted at the site listed in my last comment to you.

Carol said...

You beat me to it David. That's pretty much what I was thinking. How well does is hold together? (Without a connection between any two longitude slices?)

David Cecil said...

The trick is to use thinner slots, just enough thickness to slide in but with some resistance. The slots in my construction are somewhat too thick but were used so one could see them easily. Even with the slots as shown, the model holds together fairly well.

Carol said...

I'm thinking of cutting some form of hook or tab on the crease of the longitude slices and linking them together.

David Cecil said...

How about glue dots?

david cecil said...

Carol, I have entered a new photo with my template changes for the grapefruit globe at http://www.flickr.com/photos/dr2c/7634833808/in/photostream. I thought that if the earlier photo with my constructed globe and comments (at http://www.flickr.com/photos/dr2c/7634833808/in/photostreamwas) was somewhat confusing then this new photo might help.