The file '12 Volt DC Motor Mount 3D Printer Model' is (STL) file type, size is 82.0KB.
Here is a motor mount that I created for a 12 volt DC motor. The motor dimensions are 28 mm / 1.1 in diameter and 37 mm / 1.46 in length. The exact motor I used can be found here:
https://www.amazon.com/gp/product/B008595SC8/ref=oh_aui_search_detailpage?ie=UTF8&psc=1
The pneumatic engine that is attached to it is not a print, and is a project that I machined out of metal. However, the motor mount can be used for a variety of other purposes.
motor_mount_bottom_v1.STL | 20.4KB | |
motor_mount_top_v1.STL | 30.0KB | |
motor_pulley_v1.STL | 214.8KB |