The file 'Purple Martin House (improved Larger Version) 3D Printer Model' is (stl) file type, size is 223.6KB.
Printed this Purple Martin house and mounted 6 of them on a collapsible pole. They are 6" in diameter with a 2-1/8" hole.
UPDATE: the new larger house is in two pieces to facilitate easy cleaning, the walls are a bit thicker, and there is a porch that the Martins seem to like.
Large_Bottom.stl | 135.8KB | |
Large_house.stl | 575.3KB |