Board Thread:Suggestions forum/@comment-184.90.120.88-20170602130401/@comment-27043663-20170602132146

The bar thing can be approximated using an additional renderer and having a dummy water source block with increased metadata. Just render a liquid block in pass 1 and the bar in pass 2 of ISimpleBlockRenderingHandler.

The seat can be implemented as a sort of dummy 'mount' thing.