Picture of 3D Pantograph
This instructable is to build a 3d pantograph. A pantograph is a device that is used to copy pictures by tracing the original picture and the device draws a copy.  The pantograph can change the copy size to larger or smaller, depending on how it is designed.

This pantograph will let you carve or engrave a picture into a medium such as glass, metal, or wood.  You can also trace a carving and reproduce it. It uses a rotary tool such as a Dremel to carve. Think of it as an old fashioned 3d printer.

This pantograph can cost between $15-$50, depending on what kind of rotary tool you buy.

Parts needed:
  • 1 - 1"x4" by 10 foot pine board.
  • 1 - 3/16"x36" metal rod
  • 1 - Rotary tool (such as a Dremel).
Remember a 1x4 board is not exactly 1x4 but about 3/4 by 3 3/4. I will refer to the board as a 1x4. for simplicity.
Tools needed:
  • Saw
  • Drill
  • Hole saw 1" and 2" or depends on the size of your rotary tool. rotary tool.
  • 3/16 drill bit
  • Hammer
  • Hacksaw
  • Wood Clamps
  • Nail Gun or Wood Glue
Difficulty: Easy-Moderate.
Time to build: 5 hours.
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Ohhson1 month ago
Just built this today, took about 2-3 hours working at a relaxed pace. Works really quite well. Much simpler design than the one from woodgears. One word of advice though, don't bother trying to fit the upper hole to your Dremel. Just center it 1" away from the edge like instructions say to, cut a hole slightly bigger than tool and use a quick clamp to hold it in place. Much sturdier and quick access for bit changes. Good job knorseth.
Very nice. I like how this is designed for a dremel, and a heck of a lot cheaper than some other ones I seen. One question though, as you have it built, what is the scale ratio? Is it exactly 2:1?
knorseth (author)  Funhouse_D711 year ago
This is 1/4 size. I have been carving wood and glass about 4" square of a pattern made on a 8x11 paper.

Another one I have been working as part of a design refinement is a 1 to 1 ratio.
Jakob HW knorseth2 months ago

I wood like to make 1, in a 1 to 1 ratio ... How do i figure out the length ...

knorseth (author) 4 months ago

Each part of the pantograph needs to be the same size to be a 1 to 1 ratio. A pantograph itself is a duplicator, the result size is the only thing different which will depend on the lengths of wood you are using.

stacy4012 4 months ago
What's the word on figuring out the 1:1 ratio? Would that technically be a duplicator?
jtaylor1158 months ago

Update: Skip the woodglue and countersync all the screws. I made this in about 45 minutes. Works fairly well, Im trying some modifications to control the Size ratio bettter as I would rather have about 3/5th ratio on mine.

jtaylor1158 months ago
I am gonna give this a try sometime this week its def different from the pantograph but I dont want to spend $12 for their plans and another pain in the ass to use thier printing program and cad. ill repost when I finish and test. thank you.
radbro1 year ago

how do you make a 5" square on a 4" board? makes no sense.

Osmanli1 year ago
Hi can you tell me if this is the same as Mathias wandel pantograph
knorseth (author) 1 year ago
The Pantograph has been around for a long time. Using a Dremel allows me a lot more flexibility with the medium I am working with than something bigger such as a router.

Now that I have a better glass bit to use, my results are a lot better than what I used in the pictures.
I had to look up what a pantograph was, pretty cool. Great work.