put sketches and 3d printables into sub-dirs
[challenge-bot] / 3d-printables /
drwxr-xr-x   ..
-rw-r--r-- 4310 caster-standoff.scad
-rw-r--r-- 3645 motor-mount-drill-jig.scad
-rw-r--r-- 894 mounting-bracket.scad
-rw-r--r-- 2311 schematic-3d-printable.scad
-rw-r--r-- 1328 schematic.scad
-rw-r--r-- 2906 sonar-table-top-holder.scad
-rw-r--r-- 2304 wheel.scad