Extreme Cards and Papercrafting: globe

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Showing posts with label globe. Show all posts
Showing posts with label globe. Show all posts

Feb 6, 2015

Paper Globe of Slide Together Hearts

I ran across an intriguing globe made of slotted triangles on CutOutFoldUp, a sort of ditrigonal icosidodecahedron.  I thought it would be interesting to see what it would look like with heart shapes rather than triangles.  This is what I came up with. 

The perfect polyhedron valentine "card" for a math lover?

3d polyhedron

If you use 5 different colors it is possible to construct a model in which no two hearts of the same color connect to each other.


Can be hand or machine cut.

Download file set: PDF, DXF, SVG (how to use my SVG files in Cricut Design Space), Silhouette Studio

Files download for free; pay what you wish for the tutorial and to support this site. Suggested contribution for this project is $1.00.

How to construct the slotted heart globe

Cut a total of 20 hearts.  I used 4 each of 5 different colors.

Lay the hearts out on the table.  Check that they are all right side up--that the slots are all in the same orientation. 
paper globe heart slots

Slot together 5 hearts, one of each color.  I slotted the tops of the hearts together on this round.  (Slot 1 slides into slot 2.)

heart slot position

It should look like a star.

start assembling polyhedron star of hearts

The colors are, clockwise, in this order: green, orange, pink, purple, blue.

For the second round, I slotted the next row to the first row, point-to-point.

Working around clockwise, slot a blue heart onto the pink heart, add a green heart to the purple, an orange heart to the blue, a pink heart to the green, a purple heart to the orange. 

second round of paper globe

Third Round.  I attached these top-of-heart to top-of heart.  In the photo below the hearts are laid out between the hearts they will attach to.

third round of hearts assembly

Green attaches to purple and blue of the second round, orange hooks to blue and green, pink goes on green and orange, purple goes on orange and pink,  blue goes on pink and purple. 

When you have finished adding this row the model is starting to look like a ball.

another view of assembly paper globe of hearts

Last round, point-to-point again.

Add the pink to the point of the green heart from the third round, purple to orange, blue to pink, green to purple, orange to blue.

Join the tops of the hearts of the last row, in the same way the first row was joined, forming a star.

The model is now a ball.

Neaten everything up by pushing together any slots that are loose, and you are done!

Assembly video from dutchpapergirl!

Extreme Cards and Papercrafting: pop up cards, movable and mechanical cards, digital crafts and unusual papercrafts.

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!)
Extreme Cards and Papercrafting: pop up cards, movable and mechanical cards, digital crafts and unusual papercrafts.

Jul 14, 2012

Globe Sliceform Tutorial

I had a little fun with this globe sliceform. Instead of arranging the slices to form a square grid like this one by yarik, I made the longitudinal slices meet at the poles.

 How to make sliceforms

Unlike most sliceforms, this globe is sliced along the lines of longitude rather than having straight vertical slices. It does not fold flat.

How to make the globe sliceform

Download template PDF or SVG1 and SVG2 and cut out pieces.

globe sliceform

On the first page there are four pieces, three the same (mine are red, light green, dark green) and one different (pink). Start with the "different" (pink) one, and one of the other three pieces (red).

Notice, also, that the top and bottom of each piece is narrow, and the right and left of each piece is wider.

Slot red and pink together, at their centers, top and bottom.

Fold the green pieces in half, with the crease running from top to bottom.

Slot one green piece into pink on the one side of red and the other green piece into pink on the other side of red.

(Another way to assemble this part is to stack the pieces green-red-green, slot all three into the pink piece, top and bottom, and then crease the green pieces away from the center.)

Attach the center (equator) circle next. Slide it part way down over the north pole and tilt it enough to match the center slot on one of the longitude slices. Work around the globe, sliding in one slice at a time and pushing down the equator piece until all the slices are in the slots.

Add the other latitude slices in the same way, one at a time.