30mm and 40mm Fan Grills, with optional 2 color print STLs and Customizer text.
Made for the Toranado grill contest:
http://www.thingiverse.com/thing:1750609
Open in Customizer to add short text labels on all four sides of T30v3.
Or download the OpenSCAD file and modify the parameters with even more freedom.
08SEPT16: Version 3 files updated, including Scad and 2 color files.