TrinityLabs voltage converter extrusion mount

by mohag, published

TrinityLabs voltage converter extrusion mount by mohag Sep 27, 2012
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A T-slot mount for the MendelMax that allows the voltage converter to be mounted to a T-slot under the bed surface.

Hole measurements the same as Ultibot's design.

The initial version had M4 holes instead of M5 holes.

The version 3 STL files shoul work for M5-10 screws, while the V2.1 ones is suitable for M5-12 screws.

V2 changes:
Moved M3 holes further from extrusion. It also fixed the M5 hole sizes and added space for a washer.

V3 changes:
Widened extrusion mount to allow M5 screws to be installed after the converter.
Increased thickness of extrusion-side part - V2 was too thin for mounting with M5-10 screws.


  1. Print
  2. Mount board using standoffs in the M3-holes.
  3. Mount to T-slot with some T-slot nuts and M5 screws.

For my very short M3 screws I had to reverse the standoffs so that the a screw fasten the PCB, rather than a nut. The M3 holes are very tight. Fastening the standoffs with a nut is optional.

Voltage converter is as this one: http://store.trinitylabs.com/24v-to-12v-stepdown-converter-6a/ The standoff mounts are assumed to be present.

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