Improved Lithophane Cube

This is an update to my original lithophane cube. It is designed to accept a 3dp.rocks generated 100x100 Lithophane with a 4mm border and default thickness settings. Also included is a 100x150 version (taller).


***Changes***
The original was designed for 12v LED strips, and had an octagonal center pylon, with each flat face designed to accept a cut part of the LED strip. However, cutting them and soldering / wiring them all together is a real pain! Spiraling them up the pylon would be much better, so the octagonal design is not ideal. Additionally, the old design had a hollowed out base to accept the 12v adapter, but that required substantial supports.

Based on feedback from the community, the new design has a flat bottomed base and interchangeable round pylons (just superglue them or hot glue the one you prefer in) so that an LED strip can spiral around it. I would recommend a 5v USB LED strip rather than the 12v so no barrel adapter is needed. The inner diameter of