About this 3D model
Customized version of http://www.thingiverse.com/thing:414556 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=414556 Using the following options: cap_name = LensCapcap_tolerance = 125cap_pitch = 75cap_diameter = 550cap_thick = 1502cap_label_position = no