STLStudio

Every tool for your 3D printer

Parametric generators and STL utilities that run 100% in your browser. Your files never leave your computer.

PRO

Lattice vessels & woven lamps

Lattice shades, vases and fidgets with direct G-code, free profile and wall bracket.

PRO

Nesting cylinder lamps

Nested or stacked cylinders that fit into a base, as direct G-code for translucent PETG: clear, lattice or banded.

PRO

Shadow-letter sign lamp

Wall sign with a lit word on the front and slots that project more big words onto the wall above and below.

Stained glass panels

Stained glass for your window with diamonds, circles, mosaic or a classic border, or colored from an image or SVG; as multicolor panels that fit your printer.

PRO

Custom beer mugs

Shells for 500–1000 ml aluminum cups (or custom) with a handle, text, icons or your club crest in multiple colors.

PRO

Marble-wheel cars

Classic toy cars (beetle, 80s wedge, camper van, pickup, 50s) that roll on glass marbles, sized to your marbles.

Tire valve caps

Valve caps with a real Schrader or Presta thread: ready-made shapes with initials, icons or your multicolor logo, or the valve added to your own 3D model.

Drawer organizers

Measure your drawer and drag out a layout: custom-fit bins or Gridfinity with a baseplate split to your bed size.

Yerba & sugar canisters

Canisters for yerba, sugar or coffee with a snap-lock lid, threaded pour openings with screw plugs and your raised text and drawing. Shows the capacity.

Thermos & mate holder

Carry your thermos and mate in the car or on the desk, sized to yours (Stanley, Lumilagro…), with a removable handle and your name in relief.

PRO

AI modeler

Ask Claude for a part from a photo or description and watch it model live.

Online STL viewer

Open STL, OBJ, 3MF, PLY or GLB: size, volume, weight, overhangs, sections and measuring.

Convert to STL

STEP, IGES, OBJ, 3MF, PLY, GLB and more to STL or 3MF, with repair, scaling and decimation.

STL cutter

Split parts that don't fit your bed, with pegs or dowels and material-aware clearance.

Auto-orient for printing

Finds the position with the least support, a good base and less height. See in red what will need support.

Lithophane maker

Turn photos into flat, curved or lamp lithophanes with beautiful frames.

Cookie cutters

From a drawing, SVG or photo to a cutter with stamp, in seconds.

Paint a model for AMS

Paint your model with brush, wand or bucket and download a painted 3MF ready for multicolor in Bambu Studio, OrcaSlicer or PrusaSlicer.

Split by color

Pick each part with the smart wand, tune the perimeter and split the model by color with pins, keys or dovetails.

3D relief maps

Pick any area on Earth: mountains, rivers, seas and buildings as STL.

STL textures

Apply textures (wood, knit, stone, image) to any 3D model.

Puzzle maker

Puzzles with your photo in full color (AMS) or relief, easy to extreme, with a tray.

Vase generator

Parametric vases and planters: twist, ribs, waves and low poly. Vase mode or with drainage and saucer.

Molds for silicone, concrete & candles

Open, two-part or silicone pour-box molds from any model, with material estimate.

Ceiling lamps

Parametric pendant shades (dome, bell, globe…) with an E27/E14 holder that prints without supports.

Wall lamps

Half-shade wall lamps with back plate, keyholes, cable hole and socket shelf.

Table lamps

Desk and table lamps: free-profile shade and a base with socket post and cable exit.

Frosted window panels

Enter the glass size and get identical translucent PETG panels with a texture that gives privacy and lets light through.

3D letters & signs

Raised or two-color signs, solid or LED-ready hollow 3D letters, and desk name plates.

Cake toppers

"Happy birthday John" with lovely fonts, hearts, balloons or your logo, in one or two colors with picks.

Pen holders

Round, square, hexagonal or star pen holders with a free profile, name, perforations and optional attached modules.

Hand fans

Folding hand fans with aligned cut-outs, two-color arched text and a printed rivet.

Photo frames

Photo frames for 3.5×5 to 8×10 in photos (or custom) with many designs, colored patterns and text, a snap-in back, a table stand or wall keyholes.

Cable organizers

A spinning travel winder sized to your cable, desk-edge clips and trays that screw under the desk.

Christmas baubles

Tree baubles and ornaments: 20+ designs (snowflakes, fins, damask, pinecone, icicle, little tree, open ribbons…), flat snowflakes and a reindeer medallion, with a name and colored motifs. No supports.

Pottery stamps

Maker's mark stamps with arched text, icons or your logo and texture plates for clay, with draft angle and shrinkage compensation.

Phone & laptop stands

Stands sized to your phone, tablet or laptop: angle, cable slot and your name in relief. Print without supports.

Hose adapters

Straight, elbow and tee adapters between any two sizes: barb, plain, or male/female BSP and GHT thread.

Funnels

Funnels sized to your bottle: air ribs so they never vacuum-lock, a stop ring so they stand on their own, and a hanging tab.

Folding gift boxes

Boxes that print flat and fold on living hinges: tuck or separate lid, cut-outs and a two-color name. Watch them fold before printing.

Pottery banding wheels

Printable banding wheels with a skateboard bearing and airsoft balls: plate with centering rings and spokes. Tells you how many balls to buy.

Pottery tools

Profile or serrated ribs with a holder, double-ended modeling tools, slab thickness guides (strips or rolling-pin rings) and lid calipers.

Clay texture roller

Seamless roller with honeycomb, knit, wood, scales or your own image, with spinning handles. Great for clay slabs.

Text roller

A roller with your text or a raised pattern that clips onto an acrylic marker (Posca or similar): the nib inks it as it rolls. Holder, honeycomb roller and pins, support-free.

Private

Everything runs on your device. We never upload your models.

Parametric

Every dimension has a control. What you see is exactly what you download.

No account

Free tools need no sign-up, no email and no watermark.