If you require your glass shower screen or glass shower door a specific shape i.e loft conversion with a sloping ceiling order as usual then on the 4th page of the customer confirmation page there is a section where you can attach your drawings for us to follow at no extra cost.

New options,if you have your own fittings i.e hinges, handles etc.. you can order simply just the shower door with holes and cut/outs in the glass under fixing type see below, then forward your specifications over to us.