Models Showcase

PETG. Wedge it in a fast, shallow stretch of stream, riffles across the flow, and shovel gravel into the upstream end. Prints as shown on its floor, no supports.

Put it right next to the laptop, at the same height, with a soft cloth inside. Prints as shown on its floor, no supports.

Use 16-25 mm marbles or wooden beads. The dot numbers are engraved in the floor of each bay. Prints as shown on its floor, no supports.

Thread two strings each way through the holes for a 3 x 3 grid. Bury finds in layers of sand, soil and gravel. Prints as shown on its floor, no supports.

Fill with fine dry sand or salt and hang it from a Y of string about 1 m long over dark card. Tape over the bottom hole until you let go. Prints as shown on its floor, no supports.

PETG for outdoors. Empty the gauge every Sunday. Under 10 mm in a week means water; over 25 mm means skip it. Prints as shown on its floor, no supports.

Slide the phone into the slot, camera facing the stage. A free stop-motion app shows the last frame as a ghost to line up the next. Prints as shown on its floor, no supports.

Outdoors or well ventilated only (it makes hydrogen). Never use stainless steel plates, never touch the clips while it is on. 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.