cd /var/tmp
convert -list font | wc -l # ~ 200 lines of output
convert -size 170x100 xc:black \
-fill white -draw 'circle 50,50 13,50' \
-draw 'circle 120,50 157,50' \
-draw 'rectangle 50,13 120,87' \
-fill black -draw 'circle 50,50 25,50' \
-draw 'circle 120,50 145,50' \
-draw 'rectangle 50,25 120,75' \
-fill white -draw 'circle 60,50 40,50' \
-draw 'circle 110,50 130,50' \
-draw 'rectangle 60,30 110,70' \
-gaussian 1x1 +matte logo_mask.png
convert logo_mask.png -background red -alpha shape \
-font Times-Roman -pointsize 36 -fill white -stroke black \
-gravity Center -annotate 0 "Ant" \
convert logo.png -alpha extract -blur 0x6 -shade 110x30 -normalize \
logo.png -compose Overlay -composite \
logo.png -alpha on -compose Dst_In -composite \
convert logo_3D.png \( +clone -background navy -shadow 80x4+6+6 \) \
+swap -background none -layers merge +repage logo_3D_shadowed.png
convert logo_3D_shadowed.png \
\( +clone +repage -alpha off -fx 'rand()' -shade 120x30 \
-fill grey70 -colorize 60 \
-fill lavender -tint 100 \) \
+swap -composite logo_3D_bg.jpg
# Now compare logo_3D_bg.jpg to the image at
# http://www.imagemagick.org/Usage/advanced/#3d-logos