Paper Bomb to download and make. A quick model to keep you going while I’m working on the grasshopper escapement. Members can download the parts from the usual place, non-members can join in the fun for a small fee. Print out the parts onto thin card. (230 gram / 230 gsm) Score along all the dotted lines. There are loads of score lines so try be methodical so you don’t miss any.

Fold up and glue both of the halves. Each of them has a ring of extra flaps as shown above.

Glue together the bomb top.

The fuse is made of two parts glued back to back. Crease them down the middle so that the sides are at roughly ninety degrees to each other. One with a hill fold, one with a valley fold then glue them together back to back.

Glue together the flame and set it to one side to dry.

Fit the two halves together matching pentagons and hexagons.

Fold the tabs down and glue them down to make a closed shape.

Fit the bomb top into place.

Glue in the fuse.

Cut out the flame.

Light the blue touch paper and stand clear!

Fill the model with salt before gluing the halves together to use it as a paper weight!