Comment old school (Score 1) 233
here's my list,available at ANY hardware store:
1/4 in.Black Steel Nipple
1/4 in. Galvanized Malleable Iron Cap
1/16 in. Black Oxide Drill Bit
2 x 4 x 8 Premium Kiln Dried Whitewood Stud
1 ea tenpenny nail
3 rubber bands
its called a zipgun.... its only 1 shot, but how many shots does it take?
it won't make it through to the plane,unless you are a 12 year old who can walk right through the checkpoint.....
that's if your target is getting on a plane................
who needs a 3D printer!