Models Showcase

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.

Cut matchsticks or cocktail sticks to 40 mm, the same as the line spacing. Drop them from 20 cm, about 20 at a time. Prints as shown on its floor, no supports.

Every part prints flat: screw the column into the dish and the cup onto the column. A smaller marble or a shallower cup makes it more sensitive. Prints as shown on its floor, no supports. Stacked parts are fused into one print.

Put damp paper towel in the two DAMP bays and dry sand in the DRY ones, release 10 woodlice in the middle, stretch cling film over the top and lay black card over the DARK half. Prints as shown on its floor, no supports.

Print in white. Lay a sheet of tracing paper over the top as a ceiling to let light in. Prints as shown on its outline, no supports.

Use gloves for dry ice and a well-aired room. Paint the aluminium plate matt black. Prints as shown on its floor, no supports.

Works with most LCD screens and many OLED ones. A sheet of polariser film or a pair of polarised sunglasses goes on the ledge. Prints as shown on its floor, no supports.