The challenge
Our RHYTHM FUN M4138J treadmill came with a tablet holder but no cup holder. We already had a TV in the room, so the tablet holder went unused. We wanted to use its console slot for a cup holder that would fit without modifying the treadmill.
What we did
We 3D scanned the original tablet holder and used its mounting features as a reference in FreeCAD. The new cup holder slides into the same console slot, with no drilling or changes to the treadmill.
The holder has a recessed well for a mug or jar and a cutout for a mug handle. It slides in and out of the console slot just like the original tablet holder.
Before printing, we checked the design with a finite element stress simulation in FreeCAD. The model held the mounting tabs fixed and applied the weight of a full cup to the well. This helped us assess the plate and mount under the expected load.
The result
The finished holder puts an unused mount to work. It holds a drink during a workout, accommodates a mug handle and can be removed when needed. The project combined 3D scanning, CAD design and a load simulation to make an accessory for the existing mount.
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