Answer: tsquare

AnswerCrossword Clue
TSQUAREDrafting implement
TSQUAREDrawing board item
TSQUAREDrawing-board staple
TSQUAREMeans of drawing a parallel
TSQUAREDraftsperson's device
TSQUAREDraftsman's ruler.
TSQUAREDraftsman's tool.
TSQUAREDraftsman's gear.
TSQUAREDraftsman's adjunct.
TSQUAREDrawing-board ruler
TSQUAREArtist's ruler
TSQUARERuler of a kind
TSQUAREDrafting aid
TSQUAREDraftsman's tool
TSQUAREAid in drawing parallels?
TSQUARETechnical drawing tool