This solidly made table-top drawing table works as a portable, compact slant board and as a lightbox when a lightsource is added beneath the plexiglass. Durably constructed of smoothly finished wood, our easel features seven settings for your choice of angles. Easel is 18'x24'. $63
This is the case, or should be, but only upon editing I think. Trying to think like this while writing up your first draft, or at least when you're free writing will just cause problems in my experience. Just let it flow the first time and do the above when going over it again.