STLGen
Free · no sign-up · runs in your browser

Make your own 3D models.
No CAD needed.

123 generators for 3D printing. Move the sliders, watch the model change, run the moving ones, download the STL.

Boxes and storage Boxes, bins, jars and holders

Stackable box maker

Boxes in any size, with compartments, a stacking foot and a lid.

Drawer organiser maker

Low divider trays sized to your drawer.

Gridfinity-style bin maker

Bins on the 42 mm grid, any size, with compartments.

Battery holder maker

Blocks with holes for AA, AAA, 18650 and other cells.

Hex bit holder maker

Organisers for screwdriver bits and small tools.

Pen holder maker

Desk blocks with a hole for every pen, pencil or marker.

Heart box and shape box maker

Gift boxes shaped like a heart, star, flower and more, with a lid.

Gridfinity-style baseplate maker

Baseplates on the 42 mm grid in any size.

Skådis and pegboard hook maker

Hooks and pegs for slotted boards and pegboards.

Screw-top jar maker

Jars with a real screw lid, in any size.

Screw-top bottle maker

Bottles with a narrow neck and a screw cap.

Cable spool maker

Two-piece spools for cables, wire and string.

Bag clip maker

Slide-on clips that seal bags of any width.

Home and decor Vases, pots, frames and coasters

Vase maker

Ten silhouettes, six surface patterns, any size.

Twisted vase maker

Spiral vases with flat sides that turn as they rise.

Low-poly vase maker

Faceted vases, a new pattern with every click.

Bowl maker

Ribbed, faceted or smooth bowls and dishes.

Plant pot maker

Pots with a drain hole and a matching saucer.

Cookie cutter maker

Hearts, stars, flowers and more in any size.

Phone and tablet stand maker

Stands sized to your device and viewing angle.

Picture frame maker

Frames for any photo size, with a back.

Voronoi coaster maker

Organic cell patterns, a new one with every number.

Drawer handle maker

Pull handles for any screw spacing.

Wall hook maker

Screw-on hooks in any size.

Peg rail maker

A rail of pegs for keys, cables and kitchen tools.

Plant label maker

Name stakes for pots and seed trays.

Adjustable phone stand maker

A stand with several angles: move the phone to another notch.

Adjustable tablet stand maker

A wide stand with five angles for tablets and e-readers.

Flat-pack phone stand maker

A travel stand in three flat pieces that slot together.

Flat-pack tablet stand maker

A slot-together stand for tablets that packs flat.

Flat-pack laptop stand maker

A laptop riser that comes apart and travels flat.

Laptop stand maker

A pair of riser rails with the tilt you choose.

Vertical laptop stand maker

Stands a closed laptop on its edge to free up the desk.

Phone charging dock maker

A solid dock with a slot for the phone and a channel for the cable.

Gears and drives Gears, planetary sets, pulleys and bearings

Gear maker

Spur, helical and herringbone gears with real involute teeth.

Gear pair maker

Two gears that mesh, from the shaft spacing and the ratio you need.

Ring gear maker

A casing with teeth inside, and the gear that runs in it.

Planetary gear maker

Sun, planets, ring and carrier that fit your casing and ratio.

Print-in-place planetary gear maker

A gear set that comes off the bed already assembled.

Harmonic drive maker

A strain wave gear with a printed flexible cup.

Timing-belt harmonic drive maker

A harmonic drive that uses a timing belt as the flexible part.

Timing pulley maker

GT2, HTD, XL, MXL and T-series pulleys with any tooth count.

Print-in-place bearing maker

Roller bearings that print already assembled.

Workshop Spacers, knobs, hinges, brackets and adapters

Spacer, washer and bushing maker

Any hole, any outside diameter, any height.

Thumb knob maker

Grip knobs with a pocket for an M3 to M10 nut or bolt head.

Hose and pipe adapter maker

Reducers between any two diameters.

Funnel maker

Funnels with the exact spout you need.

S-hook maker

Hooks sized to your rail, branch or shelf.

Cable holder maker

Clip-in combs that keep charging cables in place.

Tolerance test maker

Find the clearance your printer needs for parts that fit.

Measuring scoop maker

Scoops for an exact number of millilitres.

Hinge maker

Two-leaf hinges in any width, with screw holes and a pin.

Shelf bracket maker

Brackets with a brace and screw holes, in your sizes.

Bolt and nut maker

Printable bolts, thumb screws, threaded rods and nuts.

Electronics box maker

Project boxes with a screw-on lid and board standoffs.

2020 extrusion bracket maker

Corner brackets for aluminium profile, with M5 holes.

Wrench maker

Spanners for any nut size.

Ruler maker

Rulers with millimetre marks and numbers.

Repair and spare parts The plugs, caps, clips, knobs and wheels that break or go missing

Shelf pin maker

Replacement shelf supports for bookcases and cabinets.

Tube end plug maker

Push-in end plugs for round, square and rectangular tube.

Square tube plug maker

End plugs for square steel and aluminium tube.

Chair leg cap maker

Slip-on caps and feet for chair and table legs.

Hole cover cap maker

Snap-in caps that cover unused holes.

Roller wheel maker

Replacement wheels for drawers, sliding doors and racks.

Dishwasher rack wheel maker

New wheels for a dishwasher basket.

Appliance knob maker

Replacement knobs for cookers, washing machines and heaters.

Potentiometer knob maker

Knobs for 6 mm shafts on amplifiers, radios and synths.

Car cup holder adapter maker

Makes a car cup holder fit big bottles and mugs.

Car trim clip maker

Push-in fir-tree clips for panels, bumpers and liners.

Broom holder clip maker

Spring clips for brooms, mops and tool handles.

Pipe clip maker

Snap-in clips for pipes, conduit and cables.

Door stop maker

Wedges in the size of your door gap.

Desk cable grommet maker

Lines and covers the cable hole in a desk.

Furniture riser maker

Blocks that lift a bed, sofa or desk.

L-shaped shelf pin maker

Shelf supports with a back plate and a ledge.

Locking shelf pin maker

Shelf supports that grip the shelf so it cannot tip.

Spoon shelf pin maker

Flat-tab shelf supports like the classic metal ones.

Bed slat holder maker

Replacement end caps that hold bed slats on the frame.

Double bed slat holder maker

Holders that take two slats side by side.

Drawer runner socket maker

The socket at the back of a cabinet that holds a drawer runner.

Drawer stop maker

Small screw-on stops for drawers.

Wardrobe rail bracket maker

End brackets for a clothes rail.

Oval wardrobe rail bracket maker

End brackets for oval hanging rail.

Sliding door guide maker

Floor guides for sliding wardrobe and cabinet doors.

Roller blind bracket maker

Wall brackets for roller blinds.

Roller blind end plug maker

The pin end that pushes into a blind tube.

Screw cover cap maker

Caps that hide screw heads.

Allen screw cap maker

Caps that press into hex-socket screws.

Cabinet foot maker

Legs for cabinets and wardrobes, with a levelling bolt.

Chair glide maker

Fixed feet that replace office chair casters.

Panel clip maker

Screw-down clips that hold a panel by its edge.

Mirror clip maker

Clips that hold a mirror or glass to the wall.

Ribbed dowel maker

Plastic connecting dowels with gripping ridges.

Car door panel clip maker

Two-flange clips for door cards and interior panels.

Garden chair foot maker

Replacement feet for tubular garden chairs and tables.

Lithophanes Photos that glow when lit from behind

Lithophane maker

Photos that appear when light shines through.

Lithophane lamp maker

Round and many-sided lamp shades made of your photos.

Photo collage lithophane maker

Many photos in one panel, like a wall of framed pictures.

Curved lithophane maker

Panels that curve and stand on their own.

Lithophane light box maker

A deep frame that lights a lithophane from behind.

Lithophane globe maker

Photos wrapped around a glowing ball.

Gifts and keepsakes Names, star maps, sound waves and patterns

Name keychain maker

Your name or any word as a keychain or tag.

Name sign maker

Door signs, desk plates and labels with your text.

3D QR code maker

Printable QR codes for links and WiFi logins.

Snowflake maker

Unique six-sided snowflakes for windows and trees.

Fractal curve maker

Dragon, Hilbert, Gosper and 13 more famous curves.

Spirograph maker

Rolling-wheel patterns, roses and Lissajous figures.

Name stencil maker

Spray and paint stencils with your own text.

Star map maker

The night sky over a place on a date that matters.

Sound wave maker

A voice message, a laugh or a song as a keepsake.

Terrain model maker

Real mountains and valleys from height data.

Drawing and logo to 3D maker

Turn a drawing, logo or silhouette into a print.

Bookmark maker

Thin bookmarks with a name or a few words.

Games and toys Dice, mazes, puzzles and marble runs

Maze maker

Marble mazes, a new one for every number.

Fidget spinner maker

Spinners with two to six arms for a 608 bearing.

Dice maker

D4, D6, D8, D12 and D20 in any size.

Dice tower maker

A tower with ramps and a tray, in one print.

Marble run piece maker

Straight and curved track, joiners and posts.

Marble spiral maker

A spiral slide for marbles that prints in one piece.

Jigsaw puzzle maker

Puzzles with real interlocking pieces and a tray.

Spinning top maker

Tops in any size, with a spin preview.

Chess piece maker

King, queen, bishop, knight, rook and pawn in any size.

Tangram maker

The seven-piece puzzle with a tray.