Drafting tool

A drafting tool comprising:

• a ruler body (10) with a top face (11) having scales and a bottom face (13), and the ruler body having:
• two guide grooves (111) defined in the top face of the ruler body (10) in parallel;
• a track (113) formed between the guide grooves (111) in the top face;
• and
• a longitudinal slot (131) longitudinally defined in the bottom face (13) under the track (113);
• at least one pen-guide (20) slidably mounted in the guide grooves (111) in the top face (11) of the ruler body (10), each pen-guide (20) having:
• a pair of lips (21) detachably clipping onto the track (113) of the ruler body (10);
• a pair of ears (23) formed on and perpendicular to the pen-guide (20) and adapted to hold a pen;
• a template arm (27) extending outward along the top face (11) of the ruler body (10) and having a window (271) through which the scales on the top face of the ruler body (10) are viewed;
• and
• a flat drawing template (29) formed on a distal edge of the template arm (27) and having a template hole (291) defined in the flat drawing template (29) for marking;
• a horizontal level (30) movably mounted on the bottom of the ruler body (10) under a window;
• a vertical level (40) movably mounted on the bottom of the ruler body (10) under a window;
• and
• a tool holder (50) detachably secured on one end of the ruler body (10) and having:
• a compartment (51) with a lid;
• a tongue (53) extending from the compartment (51) to engage the longitudinal slot (131) in the ruler body (10);
• and
• a suspension tab (55) formed on the compartment (51) opposite to the tongue (53) with a suspension hole (551) defined in the suspension tab (55).