So my niece wanted a pistol with a scope after playing Fortnite, and I thought "why make something you can't shoot anything with?" so I made him this :)
It's a handheld crossbow, powered by rubber bands. With the optional scope on top.
It's got 3 different kind of arrows: The cool broadhead arrow, a regular sharp arrow, and a blunt arrow I was thinking he could have.
There are 2 kinds of scopes: The clip on version that's easy to install and remove, and the mounted version you screw on.
For a complete working toy you need the base, trigger, lever, sprints and hammer - and a minimum of 5 rubber bands. 2 are used to propel the hammer/arrows forwards, one is for resetting the lever, one is for the trigger, and one is for slowing the hammer before it passes the front of the crossbow (which could damage the hammer if you're unlucky).
2 rubber bands for the hammer is a bit weak though. I'd use at least 6 :)
And for the best result add some lubrication in the barrel where the hammer passes through and on the hammer as well.
When printing this, you can print the arrows and sprints with brim and no support.
The hammer needs support from the base plate only.
The trigger and lever needs no support and no brim.
The base needs full support everywhere, and unfortunately a lot of post printing cleanup. For this I also added a cleaner base that is faster and easier to clean after printing.
The scopes are best printed with brim and full support.
Print time with the printer and settings marked in this project:
Crossbow base clean - 8h 7m
Crossbow base - 15h 57m
Crossbow complete with scope - 23h 46m
Crossbow complete - 18h 11m
Crossbow fixed scope - 7h 1m
Crossbow broadhead arrow - 2h 2m
Crossbow clip-on scope - 9h 24m
Crossbow dull arrow - 1h 40m
Crossbow hammer - 25m
Crossbow sharp arrow - 1h 49m
Crossbow sprints 9m
Crossbow trigger lever - 5m
Crossbow trigger - 8m
Suggestions are welcome and if someone feels like making the scope adjustable in X and Y, then that would be amazing as well!
Oh, and if you like it - don't forget to tip the designer :)
It helps me make more of these cool things for this community!
The trigger needs a rubber band from the back of the trigger to the protruding pin in front. The lever needs a rubber band from its front end (there are markings on the lever for where to place the band) to the connector on the crossbow handle. You need to place a rubber band from the top of the crossbow (there are markings close to the front of it) from one side to the other going underneath the crossbow and behind the protruding pin - which stops the hammer softly at this point. And finally you need a rubber band on each side of the hammer connecting the bow on each side. The scope is attached with 2 screws on the top. Apart from this you need to thoroughly clean all support material and lube the hammer and barrel.