Customizable leg-clamping desk cup holder

Cup-holder that clamps on the leg below the desk to avoid risky spills.
In the contest Clamp-On Items
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updated June 25, 2023

Description

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This cup holder clamps on the table leg below the table level, to reduce the risk of spilling your drink on whatever is on the desk (e.g. computer).

The attachement is done with a single M3 screw that self-threads in the plastic. 

The model MUST be customized with FreeCAD, because it is made for a specific leg dimension. 

To customize, you must open the first “Sketch” and change the dimension there. There are two dimensions to change. The length must be bigger than the table leg length, and the width is half the width of the table. You have to include tolerances in your dimensions. For the width, I recommend removing about 0.6 to 1mm from the measured leg width (0.6mm worked fo me) before dividing by 2. 

For instance, if your table leg is 48x64mm I recommend modifying the dimensions as such:

So I removed 1mm from 48mm before dividing by 2 (23.5mm). And I added 1mm to the table length to allow insertion (65mm). 

Everything else should update automatically. The model probably doesn't work for every dimensions though, just give it a try.

Height is also customizable by modifying the first “Pad” function.

For me it printed OK without support, just a bit less nice on the non supported part, but it doesn't matter because it's out of sight. If you use support I recommend painting support as shown in the picture, not in between the parts where it would be harder to remove.

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