3d Printer Bird box protector plates

Fit these to the fornt of your bird box to get the perfect size to atract the birds you want to see, complete with Zinc plated 1/2" screws

Dimesions available are 25,28,32,45 mm. The plate is 3mm depth and the entry hole 7mm

Outer size for 25,28,23 is 50mm

Outersize for 45 is 62mm

Guide for size vs bird type

25mm

Blue Tit

Coal Tit

Marsh Tit

28mm

Tree Sparrow

House Sparrow

Great Tit

32mm

Nut Hatch

45mm

House Maritn

Starling