File:BluePushPin.jpgDescriptionBluePushPin.jpg English: A blue transparent plastic pushpin with shadow, rendered in Blender 3D Date 5 January 2015 Source Own work Author
File:Blue opaque push pin.jpgDescriptionBlue opaque push pin.jpg English: A blue opaque plastic pushpin with shadow, rendered in Blender 3D Date 4 January 2015 Source Own work Author
File:Lithosphere magnetism lrg.jpgyou imagine the Earth as a giant spherical pin cushion, the lines of the push and pull shown here are like pins radiating vertically outward from, or inward
File:CyanPushPin.jpgDescriptionCyanPushPin.jpg English: A cyan-coloured transparent plastic pushpin with shadow, rendered in Blender 3D Date 4 January 2015 Source Own work