Technical drawing toolW
Technical drawing tool
CentrolineadW
Centrolinead
Compass (drawing tool)W
Compass (drawing tool)
Drafting machineW
Drafting machine
Drawing boardW
Drawing board
Flat splineW
Flat spline
French curveW
French curve
Lesbian ruleW
Lesbian rule
PantographW
Pantograph
PhysiognotraceW
Physiognotrace
Polygraph (duplicating device)W
Polygraph (duplicating device)
ProtractorW
Protractor
Reduction compassW
Reduction compass
Ruling penW
Ruling pen
Set squareW
Set square
Square (tool)W
Square (tool)
StraightedgeW
Straightedge
T-squareW
T-square