Free No account needed

Clamp Generator for Pipe and Tube (OwlCAD)

A printable C-clamp or two-plate clamp with a V-jaw cut for a named pipe, conduit or tube size

Clamp Generator for Pipe and Tube (OwlCAD) is a free browser tool for making a clamp or pipe mount that fits a named pipe size. The customizers and the editor are free; only OwlCAD's AI features need the Pro subscription. Exports STL and 3MF; no account needed. Last checked 16 October 2026.

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Opens owlcad.com

At a glance

Price: The customizers and the editor are free; only OwlCAD's AI features need the Pro subscription
Runs on: Browser
Exports: STL, 3MF
Multicolor: No, single color
Account: Not needed
Open source: No
Skill level: Beginner: fill in a form
Best for: Making a clamp or pipe mount that fits a named pipe size
Selling prints: Allowed OwlCAD's terms include commercial use on every plan, the free tier included: you may sell prints, sell or license the files and use them in a product, with no royalty and no attribution required.
How we checked: Opened the generator Customizer opened in a browser with no account: the default C-clamp with a flat jaw rendered in 3D with all settings; pricing and terms read
Checked by: Mike Janssen
Last checked: 16 October 2026

Open generator

Sources: Clamp customizer, OwlCAD pricing, OwlCAD terms (checked 16 October 2026)

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About this generator

The Clamp Generator is one of the free customizers in OwlCAD, a browser-based parametric CAD tool. It makes a screw clamp: a C-clamp to reach round the work, or a two-plate clamp with two screws to grip a tube, a rail or a table edge.

For pipe you name the stock instead of measuring it: 3/4 in PVC, EMT conduit and copper are three different outside diameters, and the V-groove is cut from the published size. You can also enter a diameter from 3 to 200 mm, or choose a flat jaw. You set the reach, opening, frame thickness and width, and the screw size (M5 to M10). The frame is tapped for a printed thread so it needs no hardware, or you can cut it for a real bolt and nut.

It runs in the browser with no account and costs nothing; only OwlCAD's AI features are paid. It is one of 35 free OwlCAD customizers, and you can open the result in the full editor if you want to change more. Its terms give you full commercial rights to what you make, the free plan included.