keep a 3d embedded editor in study chapter creation
keep a 3d embedded editor in study chapter creation

because embedding a 2d board inside a 3d page is too painful

luanlv/lila,arex1337/lila,arex1337/lila,luanlv/lila,arex1337/lila,luanlv/lila,luanlv/lila,arex1337/lila,arex1337/lila,arex1337/lila,luanlv/lila,arex1337/lila,luanlv/lila,luanlv/lila