Models Showcase

Print in a dark colour so no light comes through the walls. Prints as shown on its floor, no supports. Large holes in the walls may need supports or good bridging. The lid prints as a separate part, top down.

Hang a twig from the lid for the chrysalis. Release butterflies within a day. Prints as shown on its floor, no supports. The lid prints as a separate part, top down.

Use copper strips or coins and galvanised nails or zinc strips. Prints as shown on its floor, no supports.

Print in black. Lay the phone torch-up under the hole in the floor. Smaller holes give sharper stars. Prints as shown on its floor, no supports. The lid prints as a separate part, top down.

Stand it in a baking tray. Rinse after each eruption. Prints as shown on its floor, no supports.

Fold kitchen paper strips lengthwise and dip one end in each neighbouring cell. Prints as shown on its floor, no supports.

Fill with sifted plain flour 1 cm deep. Expose it to the rain for 2-3 seconds only, then put the lid back on. Prints as shown on its floor, no supports. The lid prints as a separate part, top down.

Use cocoa or pencil graphite as dusting powder and clear tape to lift prints. Coffee-filter strips work for the chromatography. Prints as shown on its floor, no supports.

Drop a strong magnet into the sleeve, drag it through the dried dust, then pull the magnet out over the FIND bay and the particles fall off. Prints as shown on its floor, no supports.

You need dish soap, salt, a coffee filter and ice-cold rubbing alcohol (adults handle the alcohol). Strawberries have 8 copies of each chromosome, so they give a lot of DNA. Prints as shown on its floor, no supports.