3D Model Generator

Enter your parameters and instantly generate 3D-printable STEP files — free, no sign-up needed.

Spur Gear

Spur Gear

Pinion gear. Specify module, number of teeth, bore diameter, and face width.

Rack Gear

Rack Gear

Linear gear. Specify module, number of teeth, rack height, and face width.

GT2 Pulley

GT2 Pulley

For timing belt drives. Specify number of teeth, face width, bore diameter, and flange settings.

Socket Head Cap Screw

Socket Head Cap Screw

Allen bolt. Specify thread designation and screw length.

Hex Head Screw

Hex Head Screw

Full thread type. Specify thread designation and screw length.

Hex Nut

Hex Nut

Used with bolts. Specify thread designation.

Sprocket

Sprocket

Used for roller chain drives. Specify chain number, number of teeth, sprocket type, and bore diameter.

Stone

Stone

Random shape. Specify length, width, and height.

Poop

Poop

The swirled top of soft-serve ice cream. Specify thickness, pitch ratio, and number of turns.

Honeycomb Board

Honeycomb Board

Honeycomb panel with hexagonal cells. Specify cell size, wall thickness, length, width, and height.

Sai no Kawara

Sai no Kawara

For kids. Specify number of stones, length, and width.

Möbius Strip

Möbius Strip

For mathematicians. Specify ring radius, strip width, and strip thickness.

Coil Spring

Coil Spring

Coil spring. Specify wire diameter, outer diameter, number of turns, and pitch.

Dice

Dice

Die. Specify edge length, corner rounding, and pip size.

Egg

Egg

Specify height, max diameter, and peak bulge position.

Torus

Torus

Donut shape. Specify major and minor radius.

Cone

Cone

Spike shape. Specify base diameter, tip diameter, and height.

Hemisphere

Hemisphere

Dome shape. Specify diameter.

Cuboid

Cuboid

Rectangular solid. Specify length, width, and height.

Cylinder

Cylinder

Cylindrical shaft. Specify diameter and height.

Square Pipe

Square Pipe

Hollow rectangular shape. Specify outer dimensions, wall thickness, and length.

Round Pipe

Round Pipe

Hollow cylindrical shape. Specify outer diameter, wall thickness, and length.

Box

Box

Small container. Specify outer dimensions, wall thickness, height, and bottom thickness.

Sphere

Sphere

Ball. Specify diameter.