Imperial is not built. Distances are entered and stored in metres; imperial units are accepted in the distance field and converted on entry.
Which figure leads the closure readout. Both are always derived.
Dark is a drafting canvas, not an inversion: surfaces recede so linework carries.
Office for desk work. Field grows every target, thickens the hairlines and steps the type up for a gloved hand in daylight. It changes only when you change it here — a touch screen does not pick for you.
Features are added as time allows. To suggest one, or to shout a beer toward the next one, use the link below.