Here's a simple tool that will help you insert and remove all of those little Lego Technics pegs. You'll also need a cross axle to insert into the end hole - I used one with a stop and epoxied it in. Key ring is optional...
Printed on our Replicator 2 using
High res profile
Extrude: 70 mm/s
Travel: 120 mm/s
I printed this with glow-in-the-dark PLA from MatterHackers (excellent glow effect). Perfect for those late night builds where you're always losing your tools.