NALGENE COMBO LOCK (EASY AS Pi)
thingiverse
Fun toy for your office Desk or Gift to a really nerdy Friend Video: https://www.youtube.com/watch?v=hNPXel2_7ho&feature=youtube_gdata_player Instructions 1)Obtain 32oz Nalgene bottle 2)On black Cap, carefully cut threads to allow for the Cap to spin freely 3)Glue collar to inside Lip of the Nalgene bottle (Super glue or hot Glue) 4)Hot Glue Combo lock to center of the inside of the Cap 5)Add a colored stripe in the Three spots of the combo (This will be the reference line) 6)Starting at Notch in the collar, number around the bottle 0 to 9 counter clock wise (CCW) Trick: insert combo in the collar and eyeball the location of the grooves to add numbers 7) Optional: Use acetone to remove Graphics on the bottle 8) Add PI or Easy as PI to the bottle with a marker 9) Add candy or a Prize to the Bottle 10) Twist on Cap And Enjoy the Fun Puzzle toy!
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