tessellator.setNormal(0.0F, 0.0F, -1.0F);
tessellator.addTranslation(0.0F, 0.0F, 0.0F);
renderer.renderFaceZNeg(block, 0.0D, 0.0D, 0.0D, block.getIcon(2, metadata));
tessellator.addTranslation(0.0F, 0.0F, 0.0F);
tessellator.draw();
tessellator.startDrawingQuads();
tessellator.setNormal(0.0F, 0.0F, 1.0F);
tessellator.addTranslation(0.0F, 0.0F, 0.0F);
renderer.renderFaceZPos(block, 0.0D, 0.0D, 0.0D, block.getIcon(3, metadata));
tessellator.addTranslation(0.0F, 0.0F, 0.0F);
tessellator.draw();