4 markers
thingiverse
Customized version of http://www.thingiverse.com/thing:340178 Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=340178 Instructions Using the following settings: Thickness is set at 3 Height is set at 50 units Marker Ridge Height is adjusted to 5 units Nudge value stands at 0.1 Eraser Depth is precisely 35 Precision Level is pegged at 100% Eraser Width is widened to 55 Marker Radius is rounded to 10 units Markers are aligned in a precise 4-point layout Fastener Width is narrowed down to 15
With this file you will be able to print 4 markers with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on 4 markers.