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Laser Cut Cupid

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This laser cut Cupid automata uses gears and linkages to come to life. Turn the handle and watch him fly!

This project was originally published on robives.com A full kit of laser cut parts is available for purchase here.

I've made the pdf file of parts available for everyone to download for free. You'll need to adapt it to suit the file format of your particular laser cutter. If you don't have a laser cutter you may be able to use one in one of the many FabLabs and Hacker Spaces which are springing up all over the world.

Cupid.pdf190 KB
 
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Step 1:

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As well as all the parts shown here cut from 3mm laser ply you will also need a selection of 6mm diameter dowels cut to length as follows.

6mm x 4 : 9mm x 3 : 15mm x 5 : 25mm z 2 : 35mm x 1

Step 2:

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Start by fitting two 9mm long dowels into one of the body sides. They should be a tight fit so you may need to tap them into place with a hammer.

Glue the body middle into place, tap it down and add another thin film of glue.

Fit the other side into place.

Step 3:

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You'll need four 3mm cube neodymium magnets to attach the wings. I purchased a set from eBay for less than the price of a cup of coffee.

Glue the four magnets into the slots in the body using strong epoxy adhesive (Araldite)

The glue holding the four magnets will need to dry completely.

Step 4:

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Snip the end off a paper clip to make a crude drill.

Use the drill to make two small holes in the edge of both wings.

Bend a length of paper clip so that it fits neatly into the two holes.

Press the staple home and glue it into place with epoxy.

Step 5:

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Make a small 'U' shape from a length of paper clip and glue it into the slot on the wing.

duncan_a1 month ago

How do you go from PDF to Laser Cutter? The people I contacted weren't able to produce from PDF...

Sorry if the answer is obvious to those 'in the know', I'm new to laser cutting...

Thanks

robives (author)  duncan_a1 month ago
The software I use has an import option which includes pdfs. What format do they want? I might be able to add the appropriate file to the project page.
emancdf2 months ago

Great work as usual Rob. I have been wondering when you would make the leap from paper to laser cutting ???

Hoping you'll still make paper models <3

robives (author)  emancdf1 month ago

Thanks - I'll still be doing paper as well as the laser cut stuff.

clazman1 month ago

I'm not sure how to take this.

The crude looking metal links detract from the precision laser produced components. They belong on a "hand made" equivalent.

Also, epoxy does not dry it "cures"

robives (author)  clazman1 month ago

Fair enough Clazman, I'm happy to hear suggestions...

RosyGlow2 months ago

So wonderfully clever!

wrenv2 months ago

Delightful. Love 3d stuff that moves! I too am lusting after a laser cutter.

Love it! Wish I had a laser cutter

That looks so cool. The wings almost seem to be bending...

robives (author)  Antzy Carmasaic2 months ago

The power of offset linkages :-)

Fikjast Scott2 months ago

Outsanding -

tremendous work

robives (author)  Fikjast Scott2 months ago
Thanks :-) Glad you like it.
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