Introduction: PVC Periscope

Picture of PVC Periscope
My son came to me with an idea to build a periscope. He had found a simple project in a book which used a milk carton and two mirrors. We had a couple of mirrors, but no milk carton. So, the Dad said: "We are not going to build this toy periscope, we are going to build a real one!". 
I bought a couple of 3" PVC elbows ($2.39 ea., and a 2-ft. PVC pipe ($5.44,
I had already a couple of 3" square mirrors from Michaels (sorry, no link here).
Then I cut two slots in each PVC elbow using Dremel Multipurpose Bit 561 (good for plastic and wood). 
The rest was easy: adjust the mirrors so they are at 45 degrees and make sure you see through the periscope. Then fix the mirrors using a glue gun.
The periscope is ready!


zaidpirwani (author)2016-02-15

AWESOME instructable,

I have one question though,

I want the other end to look DOWN.
Want to make it for a little cousin of mine, who tries to jump up onto a wall (on the first floor) to look down at who has come at the door.

So, I want to fix this besides the wall and she should be able to see who is standing down without needing to get so high up (it is a bit dangerous as well, when she jumps up)

Add another mirrored joint to the end

HulaParade made it! (author)2015-11-27

We made four 3" ABS 90° elbows and machined 45° slots for the mirrors. We then hot glued the mirrors in place. 2 x 1.5' and 1 x 3' tube sections allow for reconfigurable fun! The machined slots make four great alignment which allow this to work over 6' and four reflections. Thanks for the awesome idea!

zaidpirwani (author)HulaParade2016-02-15

awesome, so more than 2 mirrors work.!

KurtH3 made it! (author)2015-09-21

I used a 2" pipe and these handy, specialized 3D printed elbows to hold the mirrors.

pavelanni (author)KurtH32016-01-06

Wow! It looks very hi-tech!

RickN10 made it! (author)2016-01-06

Thanks for the great project and great idea! I made it and attached it a fort we built under my sons bed.

pavelanni (author)RickN102016-01-06

Looks very cool! I hope your son likes it! :-)

jetich (author)2014-12-20

Why the need to cut the elbows? The 3 inch mirrors should fit. Could i use something inside to keep them at the correct angle?

peterman921 (author)jetich2015-09-14

because a 3 inch square is bigger than a 3 inch circle

draw a 3 X 3 inch square then draw a 3 inch circle and place them on top of each other to see how it works

anasdad (author)2013-07-02

Great Instructable!

men lahak (author)2013-03-10

So many thanks, my first choise to serch this proyect was Instructables and i find it, this will be tomorrow homework to my cousin.

evilspacemonkey (author)2012-05-06

This is exactly what I was looking for. Are there any plans in the future to doing a step by step ible?

I'm glad you liked this small project. Sorry, I didn't take step-by-step pictures while doing it, it seemed so simple. All I have are the photos and text above. I hope it's enough to reproduce this periscope.

But thanks for your comment, I'll keep this in mind while working on my next project.

DeesSqueeze (author)2012-04-16

Interesting. Very. I have been looking for something like this for a while. My only question - how do we download the steps?

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