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Free parametric starters

Set the dimensions. Download the STL.

Hand-written, print-tested parametric parts. Drag a slider, watch the geometry rebuild, take the file. No account, no credits, no AI in the loop — these are exact, repeatable shapes.

Maker hardware

Knurled knob
Grippy control knob with a diamond-knurled wall — the usual replacement for a snapped appliance or machine knob.
4 adjustable dimensions →
L-bracket
Right-angle mounting bracket with a row of clearance holes in each flange.
5 adjustable dimensions →
Shelf bracket
Load-bearing shelf bracket with a diagonal gusset and countersunk wall holes.
4 adjustable dimensions →
Cable clip
Screw-down strain-relief clip for cable, conduit or hose.
5 adjustable dimensions →
Folding panel
Flat panel with a thinned fold line down the middle, so a rigid print can hinge along it — lids, flaps, fold-flat boxes.
5 adjustable dimensions →

Mechanical parts

Storage & enclosures

Need a shape that isn't here?

Describe it in plain words and Formo builds it — validated, watertight, with STL, 3MF and STEP.

Describe a part

More guides

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