All size spool roller for LOGresse

This spool roller is an evolution from the one of jstck (http://www.thingiverse.com/thing:307228). It is designed to fit on the "top" plate of the LOGresse P3Steel printer (https://www.logre.eu/wiki/Logresse).

There are a few supports to allow a good geometry of the slot (see picture with red line). These supports are very easy to remove with a thin plier. Then, depending on the quality of the bridges your printer made, it may need a slight finishing operation (with a thin file) to get a perf