Topic At the time of drawing up the roof construction plan of architectural design drafting, compilation of the roof construction plan of the building which forms complicated plane surface form very much is difficult. This until recently when drawing up inserted at the time of drawing up the roof construction plan height of the roof in consideration the roof with three-dimensional concept and job very much seriously, caught because there is many a thing which is drawn up, could feel. Solutions As for this invention, the first template which was made with hard plastic make transparent board of square of identical size (1), the second template (2), the third template (3) 3 being the template for roof construction plan compilation which consists of 1 sets, the groove where it forms the design of design A in order to help drawing, design B and design C being drilled, these 3 using the template of 1 sets, it is something which it tries to be able to draw the roof construction plan easily. Selective figure Figure 1
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