Tibzel___

public boolean isFullCube() { return false; } /** * Used to determine ambient occlusion and culling when rebuilding chunks for render */ public boolean isOpaqueCube() { return false; } Use that on your Block class this is necessary when the block arent a full block, because, the chunk renderer is programmed to cull faces than are faced to inside of chunk (detail, chunk is a model) instead of a full cube for all blocks, that explain why blocks than it touch just are culled, because it cull neighbor faces, so you need to tell to the renderer do not do that for ur block