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full rubber band carbine

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25 copies
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sam

Project by

sam
st petersburg, fl

General Information

google search will bring up a video of how to cut/make it with a scroll saw… just brought it to cnc with the help of one other to make the files functional. modified pieces some for a better feel/sturdier for kids to play with.

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Material Description Price
Baltic Birch Plywood

Baltic Birch Plywood

12" × 12" × 3/4" Baltic Birch Plywood

Baltic Birch Plywood

Baltic Birch Plywood

8" × 12" × 3/8" Baltic Birch Plywood

Button Head Cap Screw

Button Head Cap Screw (×2)

Length: 12mm, Quantity: 10, Thread Size: M5

Chicago Screws

Chicago Screws (×3)

Material Thickness Range: 1/4 in - 3/8 in, Barrel Length: 1/4 in

Natural HDPE Sheet

Natural HDPE Sheet

Thickness: 1/2 in don't use, Dimensions: 8 in × 12 in don't use

1

cut out 3/4 pieces.

90 minutes

cut out all 3/4 pieces.

i use a 1/4 bit and cut on the outside of the path.

i switch to a 1/8 bit to mark the holes and hand drill them. my 1/8th inch bit is only 3/8’s of a inch long.

2

cut out 3/8th pieces.

16 minutes

move the 3/4 inch pieces to the side and bring the 3/8th pieces into the cut area. then carve them out.(need both plates)

cut out with a 1/8th inch bit

3

cut the plastic.

6 minutes

move the 3/8th pieces to the side and bring the plastic pieces into the cut area. then carve with a 1/8th inch bit

plastic i use is a cutting board from walmart. its right under 3/8th thick and works for all of the rubberband guns i make.

4

sand

10 minutes

sand the burs and thin the trigger/mag down a little so it moves freely when assembled.

the plastic t needs a 45 cut in the tip of it. i just push it against my belt sander. no accuracy needed. just has to fit inside the star wheel to make it single fire.

round the edges of the star a bit so it doesnt cut the rubber bands.

5

assemble

10 minutes

7 screws are 1/2 inch long on each side
the chicago screws are 1 1/4 long cannot select length in parts list.

the 3 holes for the chicago screws need to be adjusted to fit the post size you can find.

top center of the trigger needs drilled so a screw can go threw the plastic T to make select fire work.
keep this only finger tight so it can spin so it can go full auto or single fire.

if the mag is larger it fires at a slower rate. smaller makes it fire faster.

6

google

10 minutes

google rubber band carbine and there are youtube videos of how to make it.

before using the cnc it takes me about 1 hour to make drill sand assemble tweak and so on to get one going.

now i can cut enough out to make it so i can have enough pieces cut so i cannot keep up with the cnc cutting on assembly.

7

have fun

999 minutes

have fun mowing down card houses and all sorts of things. get around 24 bands per load.

i have done 32 on 1/4 inch side plates and it snapped the plates. 24 is where i would stop. it can hold more but be warned!