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How to Make an Elongated pentagonal bipyramid / pentakis pentagonal prism

Smart Learning Tools 9,397 lượt xem 5 years ago
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This is a step by step DIY video of how to make an Elongated pentagonal bipyramid.

In geometry, the elongated pentagonal bipyramid or pentakis pentagonal prism is one of the Johnson solids. As the name suggests, it can be constructed by elongating a pentagonal bipyramid by inserting a pentagonal prism between its congruent halves.

What will you need :
* A piece of cardboard paper (200gsm paper or any)
* A Pen
* A Ruler
* A math Compass
* A scissor or a paper cutter
* A Glue or double tape or any tapes

Steps :
1. watch the video
2. Draw the net ( if you want the solid in any other size, adjust the measurements according to your need )
3. Cut out the net
4. Fold the template along the lines you drew.
5. Be sure to press each fold tightly to make a crisp crease
6. Add glue to each flap as you put the Elongated pentagonal bipyramid together (You can use tape to fasten the flaps if you prefer)
5. enjoy your shape

Try it. take a picture. don't forget to post your johnson solid in the comment section.

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