In the never ending search for neat cables, I quickly sketched up this bracket to hold my laptop power supply brick to the underside of my desk. Someone more clever than I can probably make it parametric via some other software and thus support various sized power supply 'bricks'. This particular bracket supports a PSU width of about 70mm.Downloads on offer are the STL file (to print straight away), or the SketchUp design file, for those who want to make a few changes. Refer to your particular 3D printer's instructions on how to take an STL file and produce a printed object. For my Replicator 1 -