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Sinter Tutorial

A model made from squares. The lock is strong enough that this model can be assembled without clips. Use 30 units to create a dodecahedral shape. There is also a youtube tutorial here: https://www.youtube.com/watch?v=NH3gWtbPPcI

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Step 1

Start with a square and fold the bottom right corner to the top left. Unfold.

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Step 2

Fold the other diagonal and then also the right side to meet the first crease, but only crease in the place where these intersect.

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Step 3

Turn over so the paper looks as shown and then fold the bottom corner to meet the crease intersection made in step 2.

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Step 4

The result. Turn over the unit.

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Step 5

Fold down the top point along the existing fold made in step 1.

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Step 6

Fold the bottom point (that was the top moments ago) up to meet the layer behind.

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Step 7

Fold the right side of the front triangle down to the bottom of the triangle.

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Step 8

The result. Turn over and repeat step 7.

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Step 9

Hold the peak behind and pull the front peak down until the paper is almost completely unfolded.

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Step 10

Fold the marked points to meet each other and unfold.

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Step 11

Fold in the small triangles shown so that the edge meets the horizontal folds.

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Step 12

Fold in along the creases made in steps 3 and 6.

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Step 13

Refold the diagonal made in step 10 and rotate the paper so this fold is horizontal.

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Step 14

Make a fold by aligning the points shown.

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Step 15

Fold down the top point by aligning the top edge with the right side. Then unfold.

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Step 16

Make a smaller fold which meets the crease made in the last step and unfold.

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Step 17

Refold step 15.

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Step 18

Repeat steps 14-17 on the other side to complete one unit.

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Step 19

To assemble two units bring the orange highlighted edges together with the left unit around the right. Mountain fold the small flap (step 16) into the pocket to lock the units together.

Continue connecting units to create the 30 piece model. At each vertex you should connect 3 units to form a mountain and form 5 unit rings giving vaguely pentagonal holes.