3D print generators

Generate custom Gridfinity bins online: set grid size, height units, dividers, magnet holes and scoop, preview in 3D, then export STL or STEP. Free, no CAD install.

Generate Gridfinity baseplates sized to your drawer: any grid count, thin or skeletonized style, magnet and screw holes. Preview in 3D, export STL or STEP free.

Generate a custom 3D-printable box from its inside size, with a hinged lid (print-in-place or pin hinge; clip, toolbox or magnet latch), a snap-on, lip or sliding lid, or none. Preview in 3D, export STL or STEP free.

Generate a custom hose adapter online: two ports with inner/outer fit, engagement length, taper and wall thickness. For shop vacs, dust collection, pipes. Free STL / STEP.

Generate a custom funnel: mouth and spout diameters, cone height, wall thickness and a hanging loop. Fits jars, tanks, oil fills. Free STL / STEP export.

Generate involute spur gears online: module, tooth count, pressure angle, face width and bore (round or hex). True involute profile, free STL / STEP export.

Generate washers, spacers and shims to exact size: inner diameter, outer diameter, thickness, chamfer. From 0.4 mm shims to tall standoffs. Free STL / STEP.

Generate a tray whose pocket is cut to your part's own outline, not a rectangle. Drag eight points to your measurements, preview in 3D, export STL or STEP free.

Generate a 3D-printable corner bracket for 2020 aluminum extrusion: 6 / 5 / 4 mm slot, M3–M5, leg length, slotted holes, locating tabs, side walls. Free STL and STEP, no CAD install.

Generate a 3D-printable pillow block for 14 standard ball bearings. With a 608 it matches the KP08 footprint (42 mm bolts, 15 mm centre height). Adjustable press fit, lip, wall, foot. Free STL and STEP.

Generate a 3D-printable fan grill for 25–140 mm fans: rings and spokes like a wire guard, hole spacing from ARCTIC drawings and measured tables, adjustable bar width, opening and standoff. Free STL and STEP.

Generate a gear rack by module and tooth count: ISO 53 teeth that mesh with our spur gears, whole-pitch ends for joining segments, optional side mounting holes. Free STL / STEP.

Generate involute helical gears online: normal module, tooth count, helix angle, left or right hand, face width and bore. Hob-generated teeth, free STL / STEP.

Generate straight bevel gears online: module, the tooth counts of both gears, shaft angle 45–120°, bore and hub. Miter pairs and 1:2 or 1:3 ratios, free STL / STEP.

Generate GT2 timing pulleys for 2 mm or 3 mm belts: any tooth count, belt width, flanges, a 2–8 mm bore and a hub with set screws in captive nuts, plus a groove-fit setting. Free STL / STEP.

Generate rigid shaft couplings: any two bores from 3 to 14 mm, split clamp or set screws, M2.5–M4 with captive nuts, bore clearance for printing. Free STL / STEP.

Generate a desk cable grommet for your hole: a press-fit sleeve and a flush cap with a cable slot, a solid cap or no cap. Enter the measured hole, 30–100 mm. Free STL / STEP.

Generate 18650, 21700 or 26650 cell holders for spot-welded packs: square or staggered, nickel-strip channels, balance-wire holes, top and bottom plates. Free STL / STEP.

Pipe clamps for 6–101.6 mm pipe: DIN 3015-1 plastic clamp jaws sized from the standard table, or a two-hole saddle strap with countersunk holes. Free STL / STEP.

A holder for 1/4", 4 mm or 5/16" hex bits: up to 80 upright hex holes with a fit clearance, free-standing, on Gridfinity feet or as a pegboard plate. Free STL / STEP.

A filament spool holder sized to your spools: a roller stand on 608 bearings with a guard bar, 1–5 kg spools, up to four side by side, or wall rod brackets. Free STL / STEP.

A 3D printable wall shelf bracket sized to your board: 100–250 mm shelves, a diagonal brace, countersunk 4 or 5 mm screws you can actually reach, or a front lip. Free STL / STEP.

3D printable pegboard hooks sized to your board: Skådis-compatible slots, US 1/4 in and 3/16 in pegboard, metal pegboard, 6 mm holes on 25 or 16 mm grids. Set reach and tip, single or double. Free STL / STEP.

A 3D printable case for your board: Raspberry Pi 5, 4 B, 3 B+, Zero 2 W or Arduino Uno R3 / R4, with every port opening placed from the official drawings and a screwed lid. Free STL / STEP.

3D printable wall hooks: screw-mounted with countersunk holes, sized for Command adhesive strips, or over a cabinet or room door. Single, double or a row of up to five. Free STL / STEP.

A 3D printable desk phone stand sized to your phone in its case: viewing angle 45–75°, ledge height for charging, a cable opening the plug fits through, portrait, landscape or tablet. Free STL / STEP.