Origami part 5 : Johnson Coronas

Amongst the 92 Johnson solids, the last few (from J84 to J92) are kind of different from the rest because they are non composite and thus nicknamed "crown jewels". I suggest you have a look at the bottom of this page for more details about each of them.

A few years back, I don't remember when though, I got interested into making origami models for four of them : the sphenocorona (J86), the sphenomegacorona (J88), the hebesphenomegacorona (J89) and disphenocingulum (J90) since they are made up of only triangles and squares and not too many edges. Moreover, for a change I have tried using tracing paper instead of regular colored paper. So there is no real coloring to be done here. I wish I could find colored tracing paper somewhere, I bet it would look very pretty with light shining from the back.

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