Tweezers/ tongs/ forceps for thin wide flat things, like PCB or glass plate

Made it for DIY PCB production: developing photoresist, etching; stripping. Can be used for grabbing glass plates
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updated November 28, 2025

Description

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Written in OpenSCAD + BOSL2, so fully customizable: width, thickness on both ends, the geometry of joint (influences springiness) and of the teeth (width and length)

There is a million 3d-models of tweezers here, but none of them has the ability to open wide and shape, that I want. I didn't scroll through all of them, maybe I just missed the perfect one. There are smaller ones that look promising, but would be too thick if I scale them. Lots of them had fancy rounded profile, which is not nice to print, and also bad for grabbing big flat things, so I had to design my own.

Print as is without supports. Sharpen the outer teeth with a file for better performance.

My github repo for all of my models may contain a newer version of this model, if I decide to update somethinga and forget to reupload: https://github.com/kauzerei/OpensCadaver/blob/main/models/tweezers.scad

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The author marked this model as their own original creation.

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