24 generators · free · run in your browser
Drag a slider. Get a part that fits.
Each generator is a real parametric model, checked for your printer as you change it. No account needed: the geometry runs on your computer.
Mechanical
Gears and mechanisms with real tooth geometry.
74 × 74 × 15 mmPlanetary gear bearing
Generate a print-in-place planetary gear bearing: herringbone sun, four planets and a ring printed assembled.
71 × 71 × 5 mmPrint-in-place chainmail
Generate print-in-place chainmail: interlocked links printed flat as one sheet that drapes like fabric.
39 × 39 × 16 mmSpur gear
Generate accurate involute spur gears: module, teeth, face width, bore, backlash and hub with set screw.
32 × 32 × 8 mmCaptive rotary fidget
Explore a compact captive wheel with real opposed capture flanks.
Workshop
Boxes, holders and hooks that survive real use.
80 × 129 × 30 mmPrint-in-place hinged box
Generate a box that prints open with its hinge already assembled, then folds shut onto its rim.
120 × 88 × 52 mmCompact locking-pin box
Make a rounded storage box with a seated lid, local removable locking pin and dividers.
94 × 28 × 15 mmHex bit holder
Create a 1/4 inch hex bit holder with any number of rows and columns.
90 × 180 × 83 mmOne-piece keyhole shelf
Generate a one-piece wall shelf with a curved strut, hidden keyholes and a lead route for a device.
Home & desk
Stands, organizers and clips for the things on your desk.
112 × 112 × 239 mmSculpted headphone stand
Generate a sculpted headphone stand: one smooth body with a cradle cut to your headband's arc.
100 × 70 × 127 mmPhone charging stand
Generate a soft, one-piece phone charging stand with a routed USB-C lead.
201 × 76 × 248 mmTwo-bottle carrier
Generate a soft two-bottle carry caddy: one rounded tub with carved pockets and a handle that grows out of it.
74 × 16 × 11 mmCable organizer
Generate snap-in cable clips sized to your cables.
66 × 20 × 90 mmWall hook
Generate a tapered, screw-mounted wall hook checked with curved-beam math for your load.
265 × 125 × 115 mmFluted planter with saucer
Generate a fluted planter with a rolled rim, drainage holes and a matching drip saucer.
190 × 117 × 108 mmMeasured-fit shower caddy
Size a PETG caddy for two bottles, two brushes and toothpaste.
RC & FPV
Airframes and mounts checked for weight and fit.
1003 × 553 × 85 mmRC flying wing, one prompt
A 1 m PLA pusher flying wing Loftsmith designed from one prompt: 18 parts, carbon spar, magnetic battery hatch, 68 engineering checks passed.
436 × 994 × 86 mmRC flying wing
Generate a 3D-printable flying wing for a 2212 motor, 4S 1500 LiPo and MG90S servos: winglets, battery pod, servo bays and TPU hinges, balance checked.
38 × 38 × 7 mmFPV motor mount
Generate a brushless motor mount for 2212/2207 motors with built-in down-thrust and side-thrust wedge.
Electronics
Enclosures sized to real boards, with inserts and vents.
489 × 547 × 478 mmAutomatic chicken feeder, one prompt
An automatic chicken feeder Loftsmith designed from one prompt: 30 L drum hopper, NEMA 23 rotary valve, ESP32 pod, 17 PETG parts, 58 checks passed.
92 × 63 × 34 mmRaspberry Pi 5 case
Generate a rounded Raspberry Pi 5 case with every port cut from the board's layout, room for the active cooler, heat-set inserts and a vented screw lid.
96 × 67 × 33 mmElectronics enclosure
Generate an enclosure for Raspberry Pi 4/5, Pi Zero or Arduino Uno with standoffs, USB-C cutout, heat-set insert posts and a vented screw-down lid.
Test pieces
Print these first: tolerances, hinges and inserts in minutes.
71 × 35 × 10 mmTolerance tester
Find the exact clearance your printer needs for press, snug and sliding fits.
61 × 28 × 8 mmPrint-in-place hinge tester
Test whether your printer can print a working hinge in one piece.
60 × 16 × 9 mmHeat-set insert tester
Find the perfect hole diameter for M2–M5 heat-set inserts in your filament.
Not in the catalog?
Describe it in a sentence and Loftsmith designs it for your printer, with the same checks and sliders. A free account comes with 12 design credits.
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