Are the plans available... wouldn't mind a scaled down one... laser cut out of MDF... to toss wads of chewed paper at SWMBO while I make my retreat for one of my many indiscretions.
The 4 shot, auto load, rubber band gun is poor defence, against a rampaging SWMBO... and hell is to pay if I accidentally hit her shoes when I go for a leg shot!
If your first cut is too short... Take the second cut from the longer end... LBD
