Compliant Arca-Swiss quick-release clamp
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Arca-Swiss-compatible quick-release clamp for professional audiovisual equipment. Secure and easy to use with 1 hand.
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- Źródło
- Printables
- Kategoria
- Photo & Video
- Licencja
- Creative Commons — Public Domain
The Arca-Swiss quick-release system is an elegant "standard" for professional photography, lighting, and audio gear. Adopted by many manufacturers, it's a great way to mount your gear without a hassle. Just slide, screw to tighten, and you've got a secure fit.
If you want to set up a 3D printed clamp in a pinch, you probably don't want to bother printing threads or finding just the right metal screw to fit your part.
Instead, this clamp features a compliant mechanism, relying on the natural springiness of 3D printed plastic filament to grip your gear in place. It's even easier to set up than a normal screw-in Arca Swiss mount, requiring just a “hook and pull” motion.
About the design
The part is printed as a single extrusion to reduce the risk of layer delamination; all spring forces are applied orthogonally to the layer lines.
The file here by itself is somewhat useless because it's just a rectangle that attaches to your Arca-Swiss compatible mounts. You probably want to add an adapter for another type of gear to one side of the part, whether that's securing an accessory to your camera, or making a stand for your light to mount it in just the right place on your desk. The original FreeCAD project is available for this kind of customization.
The part itself is also quite narrow. Depending on how heavy the gear you plan to attach to it is, you may want to increase the width (in the extruded dimension) of the part. I don't recommend making it any thicker as there is a risk of it becoming too flexible sideways and misaligning the two ends from each other.
Print parameters
I designed this file for printing out of PETG on a 0.6mm nozzle. If you have a differently sized nozzle, or if you're using a different material, you may need to adjust the spring dimensions and/or tolerances in the FreeCAD project file.
Safety considerations
You might not want to rely on a plastic mount for your heaviest, most expensive camera (this part is provided with no warranty!), but for lighter accessories it may still be an attractive option. I'd recommend not to keep it engaged for any long-term usage to avoid any risk of sag in the material over time.