Safe Bird House

by 3DTOPO, published

Safe Bird House by 3DTOPO Aug 11, 2012

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This derivative makes several changes to its ancestor. The most obvious change I removed the perch and added a predator guard instead. I read from many sources that a perch is never needed for the inhabitants and only serves as perch for a predator to eat them instead.

The purpose of the predator guard is to add 1.5 inches between the entrance and the nesting.

I added air vents on the top front and back and 4 small drains at the bottom. These help make for a healthy nest.

I could not find any 3mm plywood at my local Home Depot, so I changed the depth of all the finger joints to accommodate 5mm plywood. Interesting, this is also works for the width of common shipping box cardboard. I made a great cardboard version too.

I also made some of the joints a little larger so that it could be practically cut with a CNC machine as the one in the picture was cut (while I finish work on my new laser cutter). It will cut fine on a laser cutter too.

The birdhouse in the picture has not been glued yet.


Cut the holes first (red lines).

The required tool is either a CNC machine or laser cutter.

Please let me know if you have any questions!

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Hola! how did you create this design? Did you add all the interlocking parts by hand? or is there some program or site you can use?


7/32" plywood is 5.5mm will that work, I see a tiny lip in the image...

Very cool and practical design. Do you have any recommendations on how to finish it? Do you apply anything to it to waterproof it a bit so it will last longer outside?
I would also love a DXF version of this too!

Thanks! I just uploaded a DXF version. Any standard weather treating will work: polyurethane (30 year rated available), oil paint, maybe even the Japanese technique of charring wood: "Shou-sugi-ban Yakisugi", linseed oil, etc. etc. https://en.wikipedia.org/wiki/Wood_preservation

You rock! I have some 4mm plywood around. Will try to cut it tonight. I also have some linseed oil to finish it. Thanks!

cool! did you have a dxf version of this design?

Beautiful! Thanks for making this. Nice to know the birds will sleep safely.