Hi AternosTeam,
I seen this mod isn't on yours site, it could be added?
Link: https://www.curseforge.com/minecraft/mc-mods/cubeplus
CubePlus is a quite simply mod that adds tons of new shapes and cool blocks that are really useful for give more depth to structures, it works pretty simple, just grab a stone cutter with any type of plank or stone from vanilla game you able to shape it it tons of new particular and strange shapes.
Keep up with the awesome work 