Franja

ravnílo ruler; rule

risálen drawing

risálni album (aparat, biro, pribor, papir, blok, žebljiček) drawing book (apparatus, office ali ZDA drafting room, material, paper, block ali sketchblock, pin ali ZDA thumbtack)
risálna deska (miza, kreda) drawing board (table, chalk)
risálno oglje (orodje, pero, ravnilo) drawing charcoal (set ali instruments pl, pen, rule)

sporédnica parallel

ravnilo za črtanje sporednic tehnika parallel ruler