Dome Den

Lay your triangle 1 template on cardboard. Extend side A to 12 1/4 in (31 cm) on side B to 10 3/4 in (27.3 cm). Add a third line to complete the triangle, and cut the piece out.

Lay the triangle on cardboard and draw around it to make an identical triangle.

Make a 1 1/2 in (4 cm) cardboard strip and draw around it to add 1 1/2 in (4 cm) tab outlines to all three sides of the triangle.

Cut out around the tab outlines of the triangle. This triangle will be used for your first triangle 1 tile.

Use your triangle 1 template to mark a straight line across the corners of the triangle. Cut along these lines. Repeat steps 2-5 to make 30 triangle 1 tiles.

Now, lay the triangle 2 template on cardboard. Extend both sides to 12 1/4 in (31 cm) and join them up. Then, cut out the triangle and use it to repeat step 2.

Use the cardboard strip from step 3 to add tabs to the triangle, then cut off the corners. Repeat steps 6-7 to make nine triangle 2 tiles.

To make your square tiles, draw a square on cardboard with lines that are 12 1/4 in (31 cm) long.

Use the strip from step 3 to add tabs to the square. Use the triangle 1 template to mark and cut the corners. Then cut off the bottom tab. Repeat steps 8-9 to make nine square tiles.

Score along the tab lines of all three sets of tiles. Then fold along the score lines to finish making the tabs.

Arrange five triangle 1 tiles into a pentagon shape, so the tabs on the shorter sides meet. Use strong tape to fix the first two together.

Secure the other edges in the same way. Then repeat step 11 to make five more pentagons out of the remaining 25 triangle 1 tiles.

Now lay two pentagons next to each other, as shown, and a slot a triangle 2 tile in between them. Tape the tabs to connect the triangle to the pentagons.

Repeat step 13 to attach three more pentagons to the two you’ve already connected. Once finished, you will have a single long curving piece. This is the roof section!

Stand the whole piece up and pull the ends towards each other to form a circular shape. Leave a gap at the front for the top of the door, so you can easily enter the den.

Slot the five remaining triangle 2 tiles into the V-shaped spaces around the dome’s top edge. Line up the tabs and tape them together.

Place the remaining pentagon into the gap at the top of your dome. Tape the tabs together to complete the roof of the dome.

Now, make the wall of your dome. Start by taping the left-hand tab of one square tile to the right-hand tab of another square tile.

Repeat step 18 to link all nine square tiles in a line. Stand the piece up and arrange it into a circle. You have now finished the wall.

Now pick up your domed roof and lower it onto the wall. Make sure the tabs on both sections line up where they meet.

Tape the wall and roof section securely together with strong tape.

It’s time to paint your dome den! Choose a bright selection of colors.