use use function get_platform_size() = [ get_phone_size().x - 5, get_phone_size().y - 5, 5 ]; function get_platform_strap_connector_offset() = [ (get_platform_size().x/2 - get_link_segment_size().y/2), get_platform_size().y/2, -get_link_segment_size().z/2 ];