With the Nebula Mouse, the DIY community has developed an unusual input device for 3D modelers and CAD users. The wireless 6-DOF (Degrees of Freedom) mouse is functionally based on professional devices such as the SpaceMouse from 3DConnexion, but relies on a completely self-built concept. The maker DoTheDIY has made the project, including STL files and instructions, publicly available – although the construction remains challenging.
The Nebula Mouse combines Hall sensors for precise motion detection with an nRF52840 microcontroller from Seeed, which handles the Bluetooth connection. Inside, a 1500 mAh battery ensures wireless operation and the housing is produced using FDM printing. For operation, the device offers complete freedom of movement in six axes: translation and rotation along the X, Y and Z axes.
The hardware looks well thought out. An RGB LED ring, USB-C port and auto-wake function are part of the features. The weight of around 280 grams is the result of the targeted use of metal weights – their correct placement requires precise reworking of the 3D printed parts. Screw lengths also play a decisive role, as even the wrong bolt can cause damage to the electronics.
One fly in the ointment: the firmware is not open source. Users only receive the compiled version, which is made available via Discord. This means that customization is only possible to a limited extent. Nevertheless, the project is clearly aimed at tech-savvy users with an affinity for CAD and a penchant for functional DIY technology.
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