Indented Icosidocahedron
An icosidocehedron is an Archimedean solid with 32 faces; 12 pentagon faces and 20 triangle faces. This one has indented pyramids where the triangles should be. Try it and see.
Project Info
Paper required: two sheets 8 1/2 inch x 11 inch (or A4)
Finished Project size: 2.5 inches (6 cm)
Difficulty Level: Intermediate
INSTRUCTIONS
STEP 1
Print the Indented Icosidodecahedron pattern onto the two matching paper sheets of your choice.
Read the pattern key included in the General Instructions.
Step 2
Cut out the two pattern pieces by cutting on all black lines.
Photo 1. Inside of Pattern after Step 2
Photo 2. Outside of Pattern after Step 2
STEP 3
Fold patterns on all red and green lines. Green lines are valley folds and red lines are mountain folds.
Photo 3. Inside of Pattern after Step 3
Photo 4. Outside of Pattern after Step 3
Step 4
On each of the pattern pieces, glue Flap A to the other Flap A, Flap B to the other Flap B, Flap C to the other Flap C, Flap D to the other Flap D, and Flap E to the other Flap E.
Photo 5. Inside of Pattern after Step 4
Photo 6. Outside of Pattern after Step 4
Step 5
On each of the pattern pieces, glue Flap F to the other Flap F, Flap G to the other Flap G, Flap H to the other Flap H, Flap I to the other Flap I, and Flap J to the other Flap J.
Photo 7. Inside of Pattern after Step 5
Photo 8. Outside of Pattern after Step 5
Step 6
On each of the pattern pieces, glue Flap K to the other Flap K, Flap L to the other Flap L, Flap M to the other Flap M, Flap N to the other Flap N, and Flap O to the other Flap O.
Photo 9. Inside of Pattern after Step 6
Photo 10. Outside of Pattern after Step 6
Step 7
Glue each Flap 1 on one part to a Flap 2 on the second part, and each Flap 2 on the part to a Flap 1 on the second part. Continue around until the project is closed and complete.
Photo 11. Step 7, after Gluing Two Flaps
Photo 12 . Completed Indented Icosidodecahedron, View 1
Photo 13. Completed Indented Icosidodecahedron, View 2
ANOTHER EXAMPLE
A second example.
Photo 14. Another Completed Indented Icosidodecahedron, View 1
Photo 15. Another Completed Indented Icosidodecahedron, View 2