Biolistics Tip

Tip for Laucher, compresses fluid from surgical tubing and increases velocity:

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difference() { for(i=[0:2]) cylinder(r=50,h=70); for(i=[0:2]) translate([0,0,-1]) cylinder(r=40,h=72, r1=2, r2=12); }

This is written in OpenSCAD, so constants may need changing for printers or CNC's