Annapurna
Introduction and folding instructions on author’s page
![Annapurna (Robert J. Lang)](/small/img/models/a/annapurna-ten-intersecting-triangles-stem-1-400-74488187e.jpg)
Annapurna (Ten Interesecting Triangles) is one of the models in Himalayan Peaks series (page contains folding instructions for this model) by Robert J. Lang.
My folding tips
![Annapurna (Robert J. Lang)](/small/img/models/a/annapurna-ten-intersecting-triangles-stem-2-400-c869ee274.jpg)
Since the units used for this model are long and skinny, it helps a lot to cut the paper in such way that the units’ long side runs parallel to the paper’s grain (machine direction). Otherwise, folding may be difficult even with a bone folder, especially for thick paper.
![Annapurna (Robert J. Lang), 3D anaglyph](/small/img/models/a/annapurna-ten-intersecting-triangles-stem-anaglyph-400-837cbd35b.jpg)
This model is quite a bit more challenging to assemble than Five Intersecting Tetrahedra, but the symmetry and spatial relations between neighboring units help a lot. Unfortunately, they are much better visible in the actual physical model than any picture can convey. I hope the 3D anaglyph shown here can be of some help for folders trying to assemble this model.
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