Window (stick-up) Bird Feeder
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A light weight bird feeder with twin seed silos. Mounts on a window by suction cups. Birds visible from rear.
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Model information
- Source
- Printables
- Category
- Outdoor & Garden
- License
- Creative Commons — Attribution — Noncommercial — NoDerivatives
This project is a ‘stick-up’ bird feeder that can be suction-cup mounted to the external of any window. Enjoy watching feeding birds close-up and from the comfort of a room in your home. There is a little hardware required to complete this project. I printed with a clear PETG for the feeder and opaque for the roof. My reasoning being I want to see when the feed is getting low, but the roof is most likely to show the dirt.
For outdoor use, so print using a filament with high UV stability (PETG, ABS or ASA), but do not use PLA. I used PETG because it is additionally both waterproof and foodsafe. The roof has a good overhang to afford the exposed bird seed some protection. The internal viewing arch is re-enforced, as are the suction cup mounting points.
The feeder has been designed in two sizes. Standard (capacity for 350g of bird seed) and Large. Large is 30mm taller and allows for 450g of bird seed in the twin silo's. Both use x4 heavy duty 41mm suction cups (optional amazon purchase link below). The roof uses x2 45mm M4 bolts to create the hinge. The side bolts hold the roof shut against wind and also create an additional stress support. I have used PETG printed bolts (included and pictured) since this reduces the chance of corrosion damage, but any M4 bolt could be used. Standard M4 nuts are dropped into the two side pouches (within the silos) to secure the roof closure bolts.
Print notes:
This prints in 2 parts. The feeder prints right way up and requires support for the two seed hopper discharge ports (included in the BgCode). The roof prints inverted and requires no support. I printed both with 20% gyroid fill and 4 perimeters. Bolts print face down and require support for the flat edges. Assembly tool prints with ridge up.
Assembly notes:
- Fit the suction cups. The suction cups are best fitted by using the included assembly tool to hold the suction-cup backing nuts (see pic)
- If you are using the PETG printed bolts you must first cut a thread into them by pre-screwing them into an M4 nut several times before use on the bird feeder. Then remove the swarf that is generated (before use)
- Now drop the M4 nuts into the internal side pockets (inside each seed hopper) and push home to align with the holes.
- Use the 45mm M4 bolts to make the x2 roof hinges. The M4’s self-tap into the roof central spline.
- Finally, use either PETG pre-threaded bolts or M4 15mm bolts (optional external washers) to secure the roof closed to stop it being lifted by the wind (or Squirrels!).
Additional Parts List:
41mm screw on clear suction cups (on an M5 thread) [ Amazon pack of x8 £5.99 https://amzn.eu/d/3dAkgcu as at Feb 2025]
M4 15mm Bolts x2 (for the side secure roof closure) [ or use PETG bolts]
M4 standard nuts x2 (for the side secure roof closure)
OPTIONAL 10mm OD M4 flat washers (for the side secure roof closure)
M4 45mm Bolts x 2 (for the main hinge)