Hobby & leisure
Science & education
71 ready-made 3D-printable models for science & education. Open any of them to change the size, walls, dividers and labels, then download STL or 3MF.
Crafts & making 73
Photography & film 34
Music & audio 48
Tabletop gaming & play 73
Kids & play 86
Science & education 71
Sport & fitness 28
Outdoor & adventure 43
Car & bike 27
Pets & aquarium 58

Raindrop-size flour tray
Measure the size of raindrops by catching them in flour

Junior forensic lab
Dust and match fingerprints and unmask a pen with ink chromatography

Micrometeorite hunting kit
Find real space dust in your roof gutter with a wash tray, a magnet sleeve and a loupe

Strawberry DNA extraction lab
Pull visible strands of DNA out of a strawberry with soap, salt and cold alcohol

Buffon's-needle pi tray
Estimate pi by dropping matchsticks on a tray of parallel lines

Zhang Heng earthquake ball
Detect a tremor when a marble balanced on a slender column falls into the dish

Woodlouse choice chamber
Let woodlice choose between damp, dry, light and dark, and count where they go

Ames-room illusion box
Make two identical toys look like a giant and a dwarf through a peephole

Cloud-chamber cosmic-ray base
See the trails of cosmic-ray particles in a home-made cloud chamber

Phone-screen photoelastic viewer
See the hidden stress in clear plastic as rainbows using a phone screen

Moon-crater impact tray
Drop pebbles into flour and cocoa from marked heights to make lunar craters

Stream-table river maker
Watch water carve rivers, meanders and a delta in a tray of sand

UV-bead sunscreen tester
Prove a sunscreen still works with beads that change colour in sunlight

Gummy-bear osmosis lab
Watch gummy bears grow, shrink or dissolve in four liquids overnight

Egg-drop challenge pod
Protect a raw egg in a drop test with rubber-band suspension and a parachute ring

Layered water-filter science kit
Clean muddy water through gravel, sand and charcoal layers

Mineral streak test kit
Identify minerals with a streak plate, hardness tests and a lens

Three-water solar still
Turn salty, muddy and inky water into clean drops with sunshine

Cabbage-juice pH rainbow plate
Make a pH rainbow with red-cabbage juice in eight labelled wells

Name-stick picker
Pick a pupil's name at random from lolly sticks, then move it to DONE

Anamorphic mirror art stand
Draw distorted pictures that come right in a mirror cylinder

Fossil dig casting mould
Cast a plaster block with toy fossils for children to excavate

Kitchen chemistry test-tube rack
Run kitchen science experiments with eight test tubes

Rock-tumbler grit station
Keep the four rock-tumbling grits apart so polish never gets contaminated

Water-molecule desk tidy
Sort pens and clips in an H2O molecule

Mushroom spore-print box
Take spore prints of four mushroom caps undisturbed

Meridiana
Mark solar noon and the season with a sun spot

FitzRoy Tower
House and read a storm glass weather vial

Fulcrum Stand
Hold a balance beam on a knife-edge pivot

Fulcrum Beam
Show balancing moments with coins and clips

Voussoir Wedge
Build a self-supporting arch from nine blocks

Voussoir Centring
Support arch blocks while the arch is built

Rekenrek Frame
Teach counting in fives and tens with beads

Automaton Stage
Turn a crank to make cam-driven figures move

Physarum Maze
Watch a slime mould solve a maze

Seed Crystal
Hang seed crystals in a jar of solution

Samara Drop
Show autorotation with a printed maple seed

Strobilus
Read the humidity from a real pine cone

Funicular Frame
Find arch and vault shapes with hanging chains

Corbel Reach
Stack blocks to overhang beyond the table edge

Kamal latitude finder
Measure latitude from the Pole Star

Litre cube
Show that a litre is a 10 cm cube

Half-metre trundle wheel
Measure distances by counting wheel turns

Telescope solar projection box
Watch the Sun safely by projection

Leeuwenhoek ball-lens microscope
See cells with a single glass bead lens

Eureka overflow can for rock density
Measure rock volume and density by displacement

Newton colour wheel spinner
Show that the spectrum colours mix to white

Petri dish stacking column
Store and dispense petri dishes
Need a different size?
Every model here opens in the free SO3D.xyz generator, where you can change any measurement before you print. Or start from a blank template.